Merge commit '8700c95adb03' into timers/nohz

The full dynticks tree needs the latest RCU and sched
upstream updates in order to fix some dependencies.

Merge a common upstream merge point that has these
updates.

Conflicts:
	include/linux/perf_event.h
	kernel/rcutree.h
	kernel/rcutree_plugin.h

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>

41 files changed, 4002 insertions, 714 deletions

diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index c79ab843333e..493948a38fca 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -220,35 +220,6 @@ static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
 	return ret;
 }
 
-static int pm8606_preg_enable(struct regulator_dev *rdev)
-{
-	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
-
-	return pm860x_set_bits(info->i2c, rdev->desc->enable_reg,
-			       1 << rdev->desc->enable_mask, 0);
-}
-
-static int pm8606_preg_disable(struct regulator_dev *rdev)
-{
-	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
-
-	return pm860x_set_bits(info->i2c, rdev->desc->enable_reg,
-			       1 << rdev->desc->enable_mask,
-			       1 << rdev->desc->enable_mask);
-}
-
-static int pm8606_preg_is_enabled(struct regulator_dev *rdev)
-{
-	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
-	int ret;
-
-	ret = pm860x_reg_read(info->i2c, rdev->desc->enable_reg);
-	if (ret < 0)
-		return ret;
-
-	return !((unsigned char)ret & (1 << rdev->desc->enable_mask));
-}
-
 static struct regulator_ops pm8607_regulator_ops = {
 	.list_voltage	= pm8607_list_voltage,
 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
@@ -259,9 +230,9 @@ static struct regulator_ops pm8607_regulator_ops = {
 };
 
 static struct regulator_ops pm8606_preg_ops = {
-	.enable		= pm8606_preg_enable,
-	.disable	= pm8606_preg_disable,
-	.is_enabled	= pm8606_preg_is_enabled,
+	.enable		= regulator_enable_regmap,
+	.disable	= regulator_disable_regmap,
+	.is_enabled	= regulator_is_enabled_regmap,
 };
 
 #define PM8606_PREG(ereg, ebit)						\
@@ -274,6 +245,7 @@ static struct regulator_ops pm8606_preg_ops = {
 		.owner	= THIS_MODULE,					\
 		.enable_reg = PM8606_##ereg,				\
 		.enable_mask = (ebit),					\
+		.enable_is_inverted = true,				\
 	},								\
 }
 
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 6e8250382def..47a34ff88f98 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -12,7 +12,7 @@ obj-$(CONFIG_REGULATOR_USERSPACE_CONSUMER) += userspace-consumer.o
 obj-$(CONFIG_REGULATOR_88PM8607) += 88pm8607.o
 obj-$(CONFIG_REGULATOR_AAT2870) += aat2870-regulator.o
 obj-$(CONFIG_REGULATOR_AB3100) += ab3100.o
-obj-$(CONFIG_REGULATOR_AB8500)	+= ab8500.o
+obj-$(CONFIG_REGULATOR_AB8500)	+= ab8500.o ab8500-ext.o
 obj-$(CONFIG_REGULATOR_AD5398) += ad5398.o
 obj-$(CONFIG_REGULATOR_ANATOP) += anatop-regulator.o
 obj-$(CONFIG_REGULATOR_ARIZONA) += arizona-micsupp.o arizona-ldo1.o
diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c
index 111ec69a3e94..3be9e46594a1 100644
--- a/drivers/regulator/ab3100.c
+++ b/drivers/regulator/ab3100.c
@@ -17,6 +17,8 @@
 #include <linux/regulator/driver.h>
 #include <linux/mfd/ab3100.h>
 #include <linux/mfd/abx500.h>
+#include <linux/of.h>
+#include <linux/regulator/of_regulator.h>
 
 /* LDO registers and some handy masking definitions for AB3100 */
 #define AB3100_LDO_A		0x40
@@ -345,7 +347,11 @@ static int ab3100_get_voltage_regulator_external(struct regulator_dev *reg)
 {
 	struct ab3100_regulator *abreg = rdev_get_drvdata(reg);
 
-	return abreg->plfdata->external_voltage;
+	if (abreg->plfdata)
+		return abreg->plfdata->external_voltage;
+	else
+		/* TODO: encode external voltage into device tree */
+		return 0;
 }
 
 static struct regulator_ops regulator_ops_fixed = {
@@ -488,16 +494,174 @@ ab3100_regulator_desc[AB3100_NUM_REGULATORS] = {
 	},
 };
 
+static int ab3100_regulator_register(struct platform_device *pdev,
+				     struct ab3100_platform_data *plfdata,
+				     struct regulator_init_data *init_data,
+				     struct device_node *np,
+				     int id)
+{
+	struct regulator_desc *desc;
+	struct ab3100_regulator *reg;
+	struct regulator_dev *rdev;
+	struct regulator_config config = { };
+	int err, i;
+
+	for (i = 0; i < AB3100_NUM_REGULATORS; i++) {
+		desc = &ab3100_regulator_desc[i];
+		if (desc->id == id)
+			break;
+	}
+	if (desc->id != id)
+		return -ENODEV;
+
+	/* Same index used for this array */
+	reg = &ab3100_regulators[i];
+
+	/*
+	 * Initialize per-regulator struct.
+	 * Inherit platform data, this comes down from the
+	 * i2c boarddata, from the machine. So if you want to
+	 * see what it looks like for a certain machine, go
+	 * into the machine I2C setup.
+	 */
+	reg->dev = &pdev->dev;
+	if (plfdata) {
+		reg->plfdata = plfdata;
+		config.init_data = &plfdata->reg_constraints[i];
+	} else if (np) {
+		config.of_node = np;
+		config.init_data = init_data;
+	}
+	config.dev = &pdev->dev;
+	config.driver_data = reg;
+
+	rdev = regulator_register(desc, &config);
+	if (IS_ERR(rdev)) {
+		err = PTR_ERR(rdev);
+		dev_err(&pdev->dev,
+			"%s: failed to register regulator %s err %d\n",
+			__func__, desc->name,
+			err);
+		return err;
+	}
+
+	/* Then set a pointer back to the registered regulator */
+	reg->rdev = rdev;
+	return 0;
+}
+
+static struct of_regulator_match ab3100_regulator_matches[] = {
+	{ .name = "ab3100_ldo_a", .driver_data = (void *) AB3100_LDO_A, },
+	{ .name = "ab3100_ldo_c", .driver_data = (void *) AB3100_LDO_C, },
+	{ .name = "ab3100_ldo_d", .driver_data = (void *) AB3100_LDO_D, },
+	{ .name = "ab3100_ldo_e", .driver_data = (void *) AB3100_LDO_E, },
+	{ .name = "ab3100_ldo_f", .driver_data = (void *) AB3100_LDO_F },
+	{ .name = "ab3100_ldo_g", .driver_data = (void *) AB3100_LDO_G },
+	{ .name = "ab3100_ldo_h", .driver_data = (void *) AB3100_LDO_H },
+	{ .name = "ab3100_ldo_k", .driver_data = (void *) AB3100_LDO_K },
+	{ .name = "ab3100_ext", .driver_data = (void *) AB3100_LDO_EXT },
+	{ .name = "ab3100_buck", .driver_data = (void *) AB3100_BUCK },
+};
+
 /*
- * NOTE: the following functions are regulators pluralis - it is the
- * binding to the AB3100 core driver and the parent platform device
- * for all the different regulators.
+ * Initial settings of ab3100 registers.
+ * Common for below LDO regulator settings are that
+ * bit 7-5 controls voltage. Bit 4 turns regulator ON(1) or OFF(0).
+ * Bit 3-2 controls sleep enable and bit 1-0 controls sleep mode.
  */
+/* LDO_A 0x16: 2.75V, ON, SLEEP_A, SLEEP OFF GND */
+#define LDO_A_SETTING		0x16
+/* LDO_C 0x10: 2.65V, ON, SLEEP_A or B, SLEEP full power */
+#define LDO_C_SETTING		0x10
+/* LDO_D 0x10: 2.65V, ON, sleep mode not used */
+#define LDO_D_SETTING		0x10
+/* LDO_E 0x10: 1.8V, ON, SLEEP_A or B, SLEEP full power */
+#define LDO_E_SETTING		0x10
+/* LDO_E SLEEP 0x00: 1.8V, not used, SLEEP_A or B, not used */
+#define LDO_E_SLEEP_SETTING	0x00
+/* LDO_F 0xD0: 2.5V, ON, SLEEP_A or B, SLEEP full power */
+#define LDO_F_SETTING		0xD0
+/* LDO_G 0x00: 2.85V, OFF, SLEEP_A or B, SLEEP full power */
+#define LDO_G_SETTING		0x00
+/* LDO_H 0x18: 2.75V, ON, SLEEP_B, SLEEP full power */
+#define LDO_H_SETTING		0x18
+/* LDO_K 0x00: 2.75V, OFF, SLEEP_A or B, SLEEP full power */
+#define LDO_K_SETTING		0x00
+/* LDO_EXT 0x00: Voltage not set, OFF, not used, not used */
+#define LDO_EXT_SETTING		0x00
+/* BUCK 0x7D: 1.2V, ON, SLEEP_A and B, SLEEP low power */
+#define BUCK_SETTING	0x7D
+/* BUCK SLEEP 0xAC: 1.05V, Not used, SLEEP_A and B, Not used */
+#define BUCK_SLEEP_SETTING	0xAC
+
+static const u8 ab3100_reg_initvals[] = {
+	LDO_A_SETTING,
+	LDO_C_SETTING,
+	LDO_E_SETTING,
+	LDO_E_SLEEP_SETTING,
+	LDO_F_SETTING,
+	LDO_G_SETTING,
+	LDO_H_SETTING,
+	LDO_K_SETTING,
+	LDO_EXT_SETTING,
+	BUCK_SETTING,
+	BUCK_SLEEP_SETTING,
+	LDO_D_SETTING,
+};
+
+static int ab3100_regulators_remove(struct platform_device *pdev)
+{
+	int i;
+
+	for (i = 0; i < AB3100_NUM_REGULATORS; i++) {
+		struct ab3100_regulator *reg = &ab3100_regulators[i];
+
+		regulator_unregister(reg->rdev);
+		reg->rdev = NULL;
+	}
+	return 0;
+}
+
+static int
+ab3100_regulator_of_probe(struct platform_device *pdev, struct device_node *np)
+{
+	int err, i;
+
+	/*
+	 * Set up the regulator registers, as was previously done with
+	 * platform data.
+	 */
+	/* Set up regulators */
+	for (i = 0; i < ARRAY_SIZE(ab3100_reg_init_order); i++) {
+		err = abx500_set_register_interruptible(&pdev->dev, 0,
+					ab3100_reg_init_order[i],
+					ab3100_reg_initvals[i]);
+		if (err) {
+			dev_err(&pdev->dev, "regulator initialization failed with error %d\n",
+				err);
+			return err;
+		}
+	}
+
+	for (i = 0; i < ARRAY_SIZE(ab3100_regulator_matches); i++) {
+		err = ab3100_regulator_register(
+			pdev, NULL, ab3100_regulator_matches[i].init_data,
+			ab3100_regulator_matches[i].of_node,
+			(int) ab3100_regulator_matches[i].driver_data);
+		if (err) {
+			ab3100_regulators_remove(pdev);
+			return err;
+		}
+	}
+
+	return 0;
+}
+
 
 static int ab3100_regulators_probe(struct platform_device *pdev)
 {
 	struct ab3100_platform_data *plfdata = pdev->dev.platform_data;
-	struct regulator_config config = { };
+	struct device_node *np = pdev->dev.of_node;
 	int err = 0;
 	u8 data;
 	int i;
@@ -516,6 +680,18 @@ static int ab3100_regulators_probe(struct platform_device *pdev)
 		dev_notice(&pdev->dev,
 			   "chip is in inactive mode (Cold start)\n");
 
+	if (np) {
+		err = of_regulator_match(&pdev->dev, np,
+					 ab3100_regulator_matches,
+					 ARRAY_SIZE(ab3100_regulator_matches));
+		if (err < 0) {
+			dev_err(&pdev->dev,
+				"Error parsing regulator init data: %d\n", err);
+			return err;
+		}
+		return ab3100_regulator_of_probe(pdev, np);
+	}
+
 	/* Set up regulators */
 	for (i = 0; i < ARRAY_SIZE(ab3100_reg_init_order); i++) {
 		err = abx500_set_register_interruptible(&pdev->dev, 0,
@@ -530,59 +706,19 @@ static int ab3100_regulators_probe(struct platform_device *pdev)
 
 	/* Register the regulators */
 	for (i = 0; i < AB3100_NUM_REGULATORS; i++) {
-		struct ab3100_regulator *reg = &ab3100_regulators[i];
-		struct regulator_dev *rdev;
-
-		/*
-		 * Initialize per-regulator struct.
-		 * Inherit platform data, this comes down from the
-		 * i2c boarddata, from the machine. So if you want to
-		 * see what it looks like for a certain machine, go
-		 * into the machine I2C setup.
-		 */
-		reg->dev = &pdev->dev;
-		reg->plfdata = plfdata;
+		struct regulator_desc *desc = &ab3100_regulator_desc[i];
 
-		config.dev = &pdev->dev;
-		config.driver_data = reg;
-		config.init_data = &plfdata->reg_constraints[i];
-
-		/*
-		 * Register the regulator, pass around
-		 * the ab3100_regulator struct
-		 */
-		rdev = regulator_register(&ab3100_regulator_desc[i], &config);
-		if (IS_ERR(rdev)) {
-			err = PTR_ERR(rdev);
-			dev_err(&pdev->dev,
-				"%s: failed to register regulator %s err %d\n",
-				__func__, ab3100_regulator_desc[i].name,
-				err);
-			/* remove the already registered regulators */
-			while (--i >= 0)
-				regulator_unregister(ab3100_regulators[i].rdev);
+		err = ab3100_regulator_register(pdev, plfdata, NULL, NULL,
+						desc->id);
+		if (err) {
+			ab3100_regulators_remove(pdev);
 			return err;
 		}
-
-		/* Then set a pointer back to the registered regulator */
-		reg->rdev = rdev;
 	}
 
 	return 0;
 }
 
-static int ab3100_regulators_remove(struct platform_device *pdev)
-{
-	int i;
-
-	for (i = 0; i < AB3100_NUM_REGULATORS; i++) {
-		struct ab3100_regulator *reg = &ab3100_regulators[i];
-
-		regulator_unregister(reg->rdev);
-	}
-	return 0;
-}
-
 static struct platform_driver ab3100_regulators_driver = {
 	.driver = {
 		.name  = "ab3100-regulators",
diff --git a/drivers/regulator/ab8500-ext.c b/drivers/regulator/ab8500-ext.c
new file mode 100644
index 000000000000..b4d45472aae6
--- /dev/null
+++ b/drivers/regulator/ab8500-ext.c
@@ -0,0 +1,407 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License v2
+ *
+ * Authors: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
+ *
+ * This file is based on drivers/regulator/ab8500.c
+ *
+ * AB8500 external regulators
+ *
+ * ab8500-ext supports the following regulators:
+ * - VextSupply3
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/mfd/abx500.h>
+#include <linux/mfd/abx500/ab8500.h>
+#include <linux/regulator/ab8500.h>
+
+/**
+ * struct ab8500_ext_regulator_info - ab8500 regulator information
+ * @dev: device pointer
+ * @desc: regulator description
+ * @rdev: regulator device
+ * @cfg: regulator configuration (extension of regulator FW configuration)
+ * @update_bank: bank to control on/off
+ * @update_reg: register to control on/off
+ * @update_mask: mask to enable/disable and set mode of regulator
+ * @update_val: bits holding the regulator current mode
+ * @update_val_hp: bits to set EN pin active (LPn pin deactive)
+ *                 normally this means high power mode
+ * @update_val_lp: bits to set EN pin active and LPn pin active
+ *                 normally this means low power mode
+ * @update_val_hw: bits to set regulator pins in HW control
+ *                 SysClkReq pins and logic will choose mode
+ */
+struct ab8500_ext_regulator_info {
+	struct device *dev;
+	struct regulator_desc desc;
+	struct regulator_dev *rdev;
+	struct ab8500_ext_regulator_cfg *cfg;
+	u8 update_bank;
+	u8 update_reg;
+	u8 update_mask;
+	u8 update_val;
+	u8 update_val_hp;
+	u8 update_val_lp;
+	u8 update_val_hw;
+};
+
+static int ab8500_ext_regulator_enable(struct regulator_dev *rdev)
+{
+	int ret;
+	struct ab8500_ext_regulator_info *info = rdev_get_drvdata(rdev);
+	u8 regval;
+
+	if (info == NULL) {
+		dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
+		return -EINVAL;
+	}
+
+	/*
+	 * To satisfy both HW high power request and SW request, the regulator
+	 * must be on in high power.
+	 */
+	if (info->cfg && info->cfg->hwreq)
+		regval = info->update_val_hp;
+	else
+		regval = info->update_val;
+
+	ret = abx500_mask_and_set_register_interruptible(info->dev,
+		info->update_bank, info->update_reg,
+		info->update_mask, regval);
+	if (ret < 0) {
+		dev_err(rdev_get_dev(info->rdev),
+			"couldn't set enable bits for regulator\n");
+		return ret;
+	}
+
+	dev_dbg(rdev_get_dev(rdev),
+		"%s-enable (bank, reg, mask, value): 0x%02x, 0x%02x, 0x%02x, 0x%02x\n",
+		info->desc.name, info->update_bank, info->update_reg,
+		info->update_mask, regval);
+
+	return 0;
+}
+
+static int ab8500_ext_regulator_disable(struct regulator_dev *rdev)
+{
+	int ret;
+	struct ab8500_ext_regulator_info *info = rdev_get_drvdata(rdev);
+	u8 regval;
+
+	if (info == NULL) {
+		dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
+		return -EINVAL;
+	}
+
+	/*
+	 * Set the regulator in HW request mode if configured
+	 */
+	if (info->cfg && info->cfg->hwreq)
+		regval = info->update_val_hw;
+	else
+		regval = 0;
+
+	ret = abx500_mask_and_set_register_interruptible(info->dev,
+		info->update_bank, info->update_reg,
+		info->update_mask, regval);
+	if (ret < 0) {
+		dev_err(rdev_get_dev(info->rdev),
+			"couldn't set disable bits for regulator\n");
+		return ret;
+	}
+
+	dev_dbg(rdev_get_dev(rdev), "%s-disable (bank, reg, mask, value):"
+		" 0x%02x, 0x%02x, 0x%02x, 0x%02x\n",
+		info->desc.name, info->update_bank, info->update_reg,
+		info->update_mask, regval);
+
+	return 0;
+}
+
+static int ab8500_ext_regulator_is_enabled(struct regulator_dev *rdev)
+{
+	int ret;
+	struct ab8500_ext_regulator_info *info = rdev_get_drvdata(rdev);
+	u8 regval;
+
+	if (info == NULL) {
+		dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
+		return -EINVAL;
+	}
+
+	ret = abx500_get_register_interruptible(info->dev,
+		info->update_bank, info->update_reg, &regval);
+	if (ret < 0) {
+		dev_err(rdev_get_dev(rdev),
+			"couldn't read 0x%x register\n", info->update_reg);
+		return ret;
+	}
+
+	dev_dbg(rdev_get_dev(rdev), "%s-is_enabled (bank, reg, mask, value):"
+		" 0x%02x, 0x%02x, 0x%02x, 0x%02x\n",
+		info->desc.name, info->update_bank, info->update_reg,
+		info->update_mask, regval);
+
+	if (((regval & info->update_mask) == info->update_val_lp) ||
+	    ((regval & info->update_mask) == info->update_val_hp))
+		return 1;
+	else
+		return 0;
+}
+
+static int ab8500_ext_regulator_set_mode(struct regulator_dev *rdev,
+					 unsigned int mode)
+{
+	int ret = 0;
+	struct ab8500_ext_regulator_info *info = rdev_get_drvdata(rdev);
+	u8 regval;
+
+	if (info == NULL) {
+		dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
+		return -EINVAL;
+	}
+
+	switch (mode) {
+	case REGULATOR_MODE_NORMAL:
+		regval = info->update_val_hp;
+		break;
+	case REGULATOR_MODE_IDLE:
+		regval = info->update_val_lp;
+		break;
+
+	default:
+		return -EINVAL;
+	}
+
+	/* If regulator is enabled and info->cfg->hwreq is set, the regulator
+	   must be on in high power, so we don't need to write the register with
+	   the same value.
+	 */
+	if (ab8500_ext_regulator_is_enabled(rdev) &&
+	    !(info->cfg && info->cfg->hwreq)) {
+		ret = abx500_mask_and_set_register_interruptible(info->dev,
+					info->update_bank, info->update_reg,
+					info->update_mask, regval);
+		if (ret < 0) {
+			dev_err(rdev_get_dev(rdev),
+				"Could not set regulator mode.\n");
+			return ret;
+		}
+
+		dev_dbg(rdev_get_dev(rdev),
+			"%s-set_mode (bank, reg, mask, value): "
+			"0x%x, 0x%x, 0x%x, 0x%x\n",
+			info->desc.name, info->update_bank, info->update_reg,
+			info->update_mask, regval);
+	}
+
+	info->update_val = regval;
+
+	return 0;
+}
+
+static unsigned int ab8500_ext_regulator_get_mode(struct regulator_dev *rdev)
+{
+	struct ab8500_ext_regulator_info *info = rdev_get_drvdata(rdev);
+	int ret;
+
+	if (info == NULL) {
+		dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
+		return -EINVAL;
+	}
+
+	if (info->update_val == info->update_val_hp)
+		ret = REGULATOR_MODE_NORMAL;
+	else if (info->update_val == info->update_val_lp)
+		ret = REGULATOR_MODE_IDLE;
+	else
+		ret = -EINVAL;
+
+	return ret;
+}
+
+static int ab8500_ext_list_voltage(struct regulator_dev *rdev,
+				   unsigned selector)
+{
+	struct regulation_constraints *regu_constraints = rdev->constraints;
+
+	if (regu_constraints == NULL) {
+		dev_err(rdev_get_dev(rdev), "regulator constraints null pointer\n");
+		return -EINVAL;
+	}
+	/* return the uV for the fixed regulators */
+	if (regu_constraints->min_uV && regu_constraints->max_uV) {
+		if (regu_constraints->min_uV == regu_constraints->max_uV)
+			return regu_constraints->min_uV;
+	}
+	return -EINVAL;
+}
+
+static struct regulator_ops ab8500_ext_regulator_ops = {
+	.enable			= ab8500_ext_regulator_enable,
+	.disable		= ab8500_ext_regulator_disable,
+	.is_enabled		= ab8500_ext_regulator_is_enabled,
+	.set_mode		= ab8500_ext_regulator_set_mode,
+	.get_mode		= ab8500_ext_regulator_get_mode,
+	.list_voltage		= ab8500_ext_list_voltage,
+};
+
+static struct ab8500_ext_regulator_info
+		ab8500_ext_regulator_info[AB8500_NUM_EXT_REGULATORS] = {
+	[AB8500_EXT_SUPPLY1] = {
+		.desc = {
+			.name		= "VEXTSUPPLY1",
+			.ops		= &ab8500_ext_regulator_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8500_EXT_SUPPLY1,
+			.owner		= THIS_MODULE,
+			.n_voltages	= 1,
+		},
+		.update_bank		= 0x04,
+		.update_reg		= 0x08,
+		.update_mask		= 0x03,
+		.update_val		= 0x01,
+		.update_val_hp		= 0x01,
+		.update_val_lp		= 0x03,
+		.update_val_hw		= 0x02,
+	},
+	[AB8500_EXT_SUPPLY2] = {
+		.desc = {
+			.name		= "VEXTSUPPLY2",
+			.ops		= &ab8500_ext_regulator_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8500_EXT_SUPPLY2,
+			.owner		= THIS_MODULE,
+			.n_voltages	= 1,
+		},
+		.update_bank		= 0x04,
+		.update_reg		= 0x08,
+		.update_mask		= 0x0c,
+		.update_val		= 0x04,
+		.update_val_hp		= 0x04,
+		.update_val_lp		= 0x0c,
+		.update_val_hw		= 0x08,
+	},
+	[AB8500_EXT_SUPPLY3] = {
+		.desc = {
+			.name		= "VEXTSUPPLY3",
+			.ops		= &ab8500_ext_regulator_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8500_EXT_SUPPLY3,
+			.owner		= THIS_MODULE,
+			.n_voltages	= 1,
+		},
+		.update_bank		= 0x04,
+		.update_reg		= 0x08,
+		.update_mask		= 0x30,
+		.update_val		= 0x10,
+		.update_val_hp		= 0x10,
+		.update_val_lp		= 0x30,
+		.update_val_hw		= 0x20,
+	},
+};
+
+int ab8500_ext_regulator_init(struct platform_device *pdev)
+{
+	struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
+	struct ab8500_platform_data *ppdata;
+	struct ab8500_regulator_platform_data *pdata;
+	struct regulator_config config = { };
+	int i, err;
+
+	if (!ab8500) {
+		dev_err(&pdev->dev, "null mfd parent\n");
+		return -EINVAL;
+	}
+	ppdata = dev_get_platdata(ab8500->dev);
+	if (!ppdata) {
+		dev_err(&pdev->dev, "null parent pdata\n");
+		return -EINVAL;
+	}
+
+	pdata = ppdata->regulator;
+	if (!pdata) {
+		dev_err(&pdev->dev, "null pdata\n");
+		return -EINVAL;
+	}
+
+	/* make sure the platform data has the correct size */
+	if (pdata->num_ext_regulator != ARRAY_SIZE(ab8500_ext_regulator_info)) {
+		dev_err(&pdev->dev, "Configuration error: size mismatch.\n");
+		return -EINVAL;
+	}
+
+	/* check for AB8500 2.x */
+	if (is_ab8500_2p0_or_earlier(ab8500)) {
+		struct ab8500_ext_regulator_info *info;
+
+		/* VextSupply3LPn is inverted on AB8500 2.x */
+		info = &ab8500_ext_regulator_info[AB8500_EXT_SUPPLY3];
+		info->update_val = 0x30;
+		info->update_val_hp = 0x30;
+		info->update_val_lp = 0x10;
+	}
+
+	/* register all regulators */
+	for (i = 0; i < ARRAY_SIZE(ab8500_ext_regulator_info); i++) {
+		struct ab8500_ext_regulator_info *info = NULL;
+
+		/* assign per-regulator data */
+		info = &ab8500_ext_regulator_info[i];
+		info->dev = &pdev->dev;
+		info->cfg = (struct ab8500_ext_regulator_cfg *)
+			pdata->ext_regulator[i].driver_data;
+
+		config.dev = &pdev->dev;
+		config.init_data = &pdata->ext_regulator[i];
+		config.driver_data = info;
+
+		/* register regulator with framework */
+		info->rdev = regulator_register(&info->desc, &config);
+		if (IS_ERR(info->rdev)) {
+			err = PTR_ERR(info->rdev);
+			dev_err(&pdev->dev, "failed to register regulator %s\n",
+					info->desc.name);
+			/* when we fail, un-register all earlier regulators */
+			while (--i >= 0) {
+				info = &ab8500_ext_regulator_info[i];
+				regulator_unregister(info->rdev);
+			}
+			return err;
+		}
+
+		dev_dbg(rdev_get_dev(info->rdev),
+			"%s-probed\n", info->desc.name);
+	}
+
+	return 0;
+}
+
+void ab8500_ext_regulator_exit(struct platform_device *pdev)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(ab8500_ext_regulator_info); i++) {
+		struct ab8500_ext_regulator_info *info = NULL;
+		info = &ab8500_ext_regulator_info[i];
+
+		dev_vdbg(rdev_get_dev(info->rdev),
+			"%s-remove\n", info->desc.name);
+
+		regulator_unregister(info->rdev);
+	}
+}
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Bengt Jonsson <bengt.g.jonsson@stericsson.com>");
+MODULE_DESCRIPTION("AB8500 external regulator driver");
+MODULE_ALIAS("platform:ab8500-ext-regulator");
diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
index 09014f38a948..f6656b8c28b6 100644
--- a/drivers/regulator/ab8500.c
+++ b/drivers/regulator/ab8500.c
@@ -5,11 +5,15 @@
  *
  * Authors: Sundar Iyer <sundar.iyer@stericsson.com> for ST-Ericsson
  *          Bengt Jonsson <bengt.g.jonsson@stericsson.com> for ST-Ericsson
+ *          Daniel Willerud <daniel.willerud@stericsson.com> for ST-Ericsson
  *
  * AB8500 peripheral regulators
  *
  * AB8500 supports the following regulators:
  *   VAUX1/2/3, VINTCORE, VTVOUT, VUSB, VAUDIO, VAMIC1/2, VDMIC, VANA
+ *
+ * AB8505 supports the following regulators:
+ *   VAUX1/2/3/4/5/6, VINTCORE, VADC, VUSB, VAUDIO, VAMIC1/2, VDMIC, VANA
  */
 #include <linux/init.h>
 #include <linux/kernel.h>
@@ -26,33 +30,64 @@
 #include <linux/slab.h>
 
 /**
+ * struct ab8500_shared_mode - is used when mode is shared between
+ * two regulators.
+ * @shared_regulator: pointer to the other sharing regulator
+ * @lp_mode_req: low power mode requested by this regulator
+ */
+struct ab8500_shared_mode {
+	struct ab8500_regulator_info *shared_regulator;
+	bool lp_mode_req;
+};
+
+/**
  * struct ab8500_regulator_info - ab8500 regulator information
  * @dev: device pointer
  * @desc: regulator description
  * @regulator_dev: regulator device
+ * @shared_mode: used when mode is shared between two regulators
+ * @load_lp_uA: maximum load in idle (low power) mode
  * @update_bank: bank to control on/off
  * @update_reg: register to control on/off
- * @update_mask: mask to enable/disable regulator
- * @update_val_enable: bits to enable the regulator in normal (high power) mode
+ * @update_mask: mask to enable/disable and set mode of regulator
+ * @update_val: bits holding the regulator current mode
+ * @update_val_idle: bits to enable the regulator in idle (low power) mode
+ * @update_val_normal: bits to enable the regulator in normal (high power) mode
+ * @mode_bank: bank with location of mode register
+ * @mode_reg: mode register
+ * @mode_mask: mask for setting mode
+ * @mode_val_idle: mode setting for low power
+ * @mode_val_normal: mode setting for normal power
  * @voltage_bank: bank to control regulator voltage
  * @voltage_reg: register to control regulator voltage
  * @voltage_mask: mask to control regulator voltage
- * @voltage_shift: shift to control regulator voltage
- * @delay: startup/set voltage delay in us
  */
 struct ab8500_regulator_info {
 	struct device		*dev;
 	struct regulator_desc	desc;
 	struct regulator_dev	*regulator;
+	struct ab8500_shared_mode *shared_mode;
+	int load_lp_uA;
 	u8 update_bank;
 	u8 update_reg;
 	u8 update_mask;
-	u8 update_val_enable;
+	u8 update_val;
+	u8 update_val_idle;
+	u8 update_val_normal;
+	u8 mode_bank;
+	u8 mode_reg;
+	u8 mode_mask;
+	u8 mode_val_idle;
+	u8 mode_val_normal;
 	u8 voltage_bank;
 	u8 voltage_reg;
 	u8 voltage_mask;
-	u8 voltage_shift;
-	unsigned int delay;
+	struct {
+		u8 voltage_limit;
+		u8 voltage_bank;
+		u8 voltage_reg;
+		u8 voltage_mask;
+	} expand_register;
 };
 
 /* voltage tables for the vauxn/vintcore supplies */
@@ -86,6 +121,44 @@ static const unsigned int ldo_vaux3_voltages[] = {
 	2910000,
 };
 
+static const unsigned int ldo_vaux56_voltages[] = {
+	1800000,
+	1050000,
+	1100000,
+	1200000,
+	1500000,
+	2200000,
+	2500000,
+	2790000,
+};
+
+static const unsigned int ldo_vaux3_ab8540_voltages[] = {
+	1200000,
+	1500000,
+	1800000,
+	2100000,
+	2500000,
+	2750000,
+	2790000,
+	2910000,
+	3050000,
+};
+
+static const unsigned int ldo_vaux56_ab8540_voltages[] = {
+	750000, 760000, 770000, 780000, 790000, 800000,
+	810000, 820000, 830000, 840000, 850000, 860000,
+	870000, 880000, 890000, 900000, 910000, 920000,
+	930000, 940000, 950000, 960000, 970000, 980000,
+	990000, 1000000, 1010000, 1020000, 1030000,
+	1040000, 1050000, 1060000, 1070000, 1080000,
+	1090000, 1100000, 1110000, 1120000, 1130000,
+	1140000, 1150000, 1160000, 1170000, 1180000,
+	1190000, 1200000, 1210000, 1220000, 1230000,
+	1240000, 1250000, 1260000, 1270000, 1280000,
+	1290000, 1300000, 1310000, 1320000, 1330000,
+	1340000, 1350000, 1360000, 1800000, 2790000,
+};
+
 static const unsigned int ldo_vintcore_voltages[] = {
 	1200000,
 	1225000,
@@ -96,6 +169,72 @@ static const unsigned int ldo_vintcore_voltages[] = {
 	1350000,
 };
 
+static const unsigned int ldo_sdio_voltages[] = {
+	1160000,
+	1050000,
+	1100000,
+	1500000,
+	1800000,
+	2200000,
+	2910000,
+	3050000,
+};
+
+static const unsigned int fixed_1200000_voltage[] = {
+	1200000,
+};
+
+static const unsigned int fixed_1800000_voltage[] = {
+	1800000,
+};
+
+static const unsigned int fixed_2000000_voltage[] = {
+	2000000,
+};
+
+static const unsigned int fixed_2050000_voltage[] = {
+	2050000,
+};
+
+static const unsigned int fixed_3300000_voltage[] = {
+	3300000,
+};
+
+static const unsigned int ldo_vana_voltages[] = {
+	1050000,
+	1075000,
+	1100000,
+	1125000,
+	1150000,
+	1175000,
+	1200000,
+	1225000,
+};
+
+static const unsigned int ldo_vaudio_voltages[] = {
+	2000000,
+	2100000,
+	2200000,
+	2300000,
+	2400000,
+	2500000,
+	2600000,
+	2600000,	/* Duplicated in Vaudio and IsoUicc Control register. */
+};
+
+static const unsigned int ldo_vdmic_voltages[] = {
+	1800000,
+	1900000,
+	2000000,
+	2850000,
+};
+
+static DEFINE_MUTEX(shared_mode_mutex);
+static struct ab8500_shared_mode ldo_anamic1_shared;
+static struct ab8500_shared_mode ldo_anamic2_shared;
+static struct ab8500_shared_mode ab8540_ldo_anamic1_shared;
+static struct ab8500_shared_mode ab8540_ldo_anamic2_shared;
+
 static int ab8500_regulator_enable(struct regulator_dev *rdev)
 {
 	int ret;
@@ -108,15 +247,17 @@ static int ab8500_regulator_enable(struct regulator_dev *rdev)
 
 	ret = abx500_mask_and_set_register_interruptible(info->dev,
 		info->update_bank, info->update_reg,
-		info->update_mask, info->update_val_enable);
-	if (ret < 0)
+		info->update_mask, info->update_val);
+	if (ret < 0) {
 		dev_err(rdev_get_dev(rdev),
 			"couldn't set enable bits for regulator\n");
+		return ret;
+	}
 
 	dev_vdbg(rdev_get_dev(rdev),
 		"%s-enable (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n",
 		info->desc.name, info->update_bank, info->update_reg,
-		info->update_mask, info->update_val_enable);
+		info->update_mask, info->update_val);
 
 	return ret;
 }
@@ -134,9 +275,11 @@ static int ab8500_regulator_disable(struct regulator_dev *rdev)
 	ret = abx500_mask_and_set_register_interruptible(info->dev,
 		info->update_bank, info->update_reg,
 		info->update_mask, 0x0);
-	if (ret < 0)
+	if (ret < 0) {
 		dev_err(rdev_get_dev(rdev),
 			"couldn't set disable bits for regulator\n");
+		return ret;
+	}
 
 	dev_vdbg(rdev_get_dev(rdev),
 		"%s-disable (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n",
@@ -172,14 +315,170 @@ static int ab8500_regulator_is_enabled(struct regulator_dev *rdev)
 		info->update_mask, regval);
 
 	if (regval & info->update_mask)
-		return true;
+		return 1;
+	else
+		return 0;
+}
+
+static unsigned int ab8500_regulator_get_optimum_mode(
+		struct regulator_dev *rdev, int input_uV,
+		int output_uV, int load_uA)
+{
+	unsigned int mode;
+
+	struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
+
+	if (info == NULL) {
+		dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
+		return -EINVAL;
+	}
+
+	if (load_uA <= info->load_lp_uA)
+		mode = REGULATOR_MODE_IDLE;
+	else
+		mode = REGULATOR_MODE_NORMAL;
+
+	return mode;
+}
+
+static int ab8500_regulator_set_mode(struct regulator_dev *rdev,
+				     unsigned int mode)
+{
+	int ret = 0;
+	u8 bank, reg, mask, val;
+	bool lp_mode_req = false;
+	struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
+
+	if (info == NULL) {
+		dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
+		return -EINVAL;
+	}
+
+	if (info->mode_mask) {
+		bank = info->mode_bank;
+		reg = info->mode_reg;
+		mask = info->mode_mask;
+	} else {
+		bank = info->update_bank;
+		reg = info->update_reg;
+		mask = info->update_mask;
+	}
+
+	if (info->shared_mode)
+		mutex_lock(&shared_mode_mutex);
+
+	switch (mode) {
+	case REGULATOR_MODE_NORMAL:
+		if (info->shared_mode)
+			lp_mode_req = false;
+
+		if (info->mode_mask)
+			val = info->mode_val_normal;
+		else
+			val = info->update_val_normal;
+		break;
+	case REGULATOR_MODE_IDLE:
+		if (info->shared_mode) {
+			struct ab8500_regulator_info *shared_regulator;
+
+			shared_regulator = info->shared_mode->shared_regulator;
+			if (!shared_regulator->shared_mode->lp_mode_req) {
+				/* Other regulator prevent LP mode */
+				info->shared_mode->lp_mode_req = true;
+				goto out_unlock;
+			}
+
+			lp_mode_req = true;
+		}
+
+		if (info->mode_mask)
+			val = info->mode_val_idle;
+		else
+			val = info->update_val_idle;
+		break;
+	default:
+		ret = -EINVAL;
+		goto out_unlock;
+	}
+
+	if (info->mode_mask || ab8500_regulator_is_enabled(rdev)) {
+		ret = abx500_mask_and_set_register_interruptible(info->dev,
+			bank, reg, mask, val);
+		if (ret < 0) {
+			dev_err(rdev_get_dev(rdev),
+				"couldn't set regulator mode\n");
+			goto out_unlock;
+		}
+
+		dev_vdbg(rdev_get_dev(rdev),
+			"%s-set_mode (bank, reg, mask, value): "
+			"0x%x, 0x%x, 0x%x, 0x%x\n",
+			info->desc.name, bank, reg,
+			mask, val);
+	}
+
+	if (!info->mode_mask)
+		info->update_val = val;
+
+	if (info->shared_mode)
+		info->shared_mode->lp_mode_req = lp_mode_req;
+
+out_unlock:
+	if (info->shared_mode)
+		mutex_unlock(&shared_mode_mutex);
+
+	return ret;
+}
+
+static unsigned int ab8500_regulator_get_mode(struct regulator_dev *rdev)
+{
+	struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
+	int ret;
+	u8 val;
+	u8 val_normal;
+	u8 val_idle;
+
+	if (info == NULL) {
+		dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
+		return -EINVAL;
+	}
+
+	/* Need special handling for shared mode */
+	if (info->shared_mode) {
+		if (info->shared_mode->lp_mode_req)
+			return REGULATOR_MODE_IDLE;
+		else
+			return REGULATOR_MODE_NORMAL;
+	}
+
+	if (info->mode_mask) {
+		/* Dedicated register for handling mode */
+		ret = abx500_get_register_interruptible(info->dev,
+		info->mode_bank, info->mode_reg, &val);
+		val = val & info->mode_mask;
+
+		val_normal = info->mode_val_normal;
+		val_idle = info->mode_val_idle;
+	} else {
+		/* Mode register same as enable register */
+		val = info->update_val;
+		val_normal = info->update_val_normal;
+		val_idle = info->update_val_idle;
+	}
+
+	if (val == val_normal)
+		ret = REGULATOR_MODE_NORMAL;
+	else if (val == val_idle)
+		ret = REGULATOR_MODE_IDLE;
 	else
-		return false;
+		ret = -EINVAL;
+
+	return ret;
 }
 
 static int ab8500_regulator_get_voltage_sel(struct regulator_dev *rdev)
 {
-	int ret, val;
+	int ret, voltage_shift;
 	struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
 	u8 regval;
 
@@ -188,6 +487,8 @@ static int ab8500_regulator_get_voltage_sel(struct regulator_dev *rdev)
 		return -EINVAL;
 	}
 
+	voltage_shift = ffs(info->voltage_mask) - 1;
+
 	ret = abx500_get_register_interruptible(info->dev,
 			info->voltage_bank, info->voltage_reg, &regval);
 	if (ret < 0) {
@@ -201,16 +502,62 @@ static int ab8500_regulator_get_voltage_sel(struct regulator_dev *rdev)
 		"0x%x, 0x%x, 0x%x, 0x%x, 0x%x\n",
 		info->desc.name, info->voltage_bank,
 		info->voltage_reg, info->voltage_mask,
-		info->voltage_shift, regval);
+		voltage_shift, regval);
 
-	val = regval & info->voltage_mask;
-	return val >> info->voltage_shift;
+	return (regval & info->voltage_mask) >> voltage_shift;
+}
+
+static int ab8540_aux3_regulator_get_voltage_sel(struct regulator_dev *rdev)
+{
+	int ret, voltage_shift;
+	struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
+	u8 regval, regval_expand;
+
+	if (info == NULL) {
+		dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
+		return -EINVAL;
+	}
+
+	ret = abx500_get_register_interruptible(info->dev,
+			info->expand_register.voltage_bank,
+			info->expand_register.voltage_reg, &regval_expand);
+	if (ret < 0) {
+		dev_err(rdev_get_dev(rdev),
+			"couldn't read voltage expand reg for regulator\n");
+		return ret;
+	}
+
+	dev_vdbg(rdev_get_dev(rdev),
+		 "%s-get_voltage expand (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n",
+		 info->desc.name, info->expand_register.voltage_bank,
+		 info->expand_register.voltage_reg,
+		 info->expand_register.voltage_mask, regval_expand);
+
+	if (regval_expand & info->expand_register.voltage_mask)
+		return info->expand_register.voltage_limit;
+
+	ret = abx500_get_register_interruptible(info->dev,
+			info->voltage_bank, info->voltage_reg, &regval);
+	if (ret < 0) {
+		dev_err(rdev_get_dev(rdev),
+			"couldn't read voltage reg for regulator\n");
+		return ret;
+	}
+
+	dev_vdbg(rdev_get_dev(rdev),
+		 "%s-get_voltage (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n",
+		 info->desc.name, info->voltage_bank, info->voltage_reg,
+		 info->voltage_mask, regval);
+
+	voltage_shift = ffs(info->voltage_mask) - 1;
+
+	return (regval & info->voltage_mask) >> voltage_shift;
 }
 
 static int ab8500_regulator_set_voltage_sel(struct regulator_dev *rdev,
 					    unsigned selector)
 {
-	int ret;
+	int ret, voltage_shift;
 	struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
 	u8 regval;
 
@@ -219,8 +566,10 @@ static int ab8500_regulator_set_voltage_sel(struct regulator_dev *rdev,
 		return -EINVAL;
 	}
 
+	voltage_shift = ffs(info->voltage_mask) - 1;
+
 	/* set the registers for the request */
-	regval = (u8)selector << info->voltage_shift;
+	regval = (u8)selector << voltage_shift;
 	ret = abx500_mask_and_set_register_interruptible(info->dev,
 			info->voltage_bank, info->voltage_reg,
 			info->voltage_mask, regval);
@@ -237,32 +586,121 @@ static int ab8500_regulator_set_voltage_sel(struct regulator_dev *rdev,
 	return ret;
 }
 
-static int ab8500_regulator_set_voltage_time_sel(struct regulator_dev *rdev,
-					     unsigned int old_sel,
-					     unsigned int new_sel)
+static int ab8540_aux3_regulator_set_voltage_sel(struct regulator_dev *rdev,
+						unsigned selector)
 {
+	int ret;
 	struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
+	u8 regval, regval_expand;
+
+	if (info == NULL) {
+		dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
+		return -EINVAL;
+	}
+
+	if (selector < info->expand_register.voltage_limit) {
+		int voltage_shift = ffs(info->voltage_mask) - 1;
+
+		regval = (u8)selector << voltage_shift;
+		ret = abx500_mask_and_set_register_interruptible(info->dev,
+					info->voltage_bank, info->voltage_reg,
+					info->voltage_mask, regval);
+		if (ret < 0) {
+			dev_err(rdev_get_dev(rdev),
+				"couldn't set voltage reg for regulator\n");
+			return ret;
+		}
 
-	return info->delay;
+		dev_vdbg(rdev_get_dev(rdev),
+			 "%s-set_voltage (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n",
+			 info->desc.name, info->voltage_bank, info->voltage_reg,
+			 info->voltage_mask, regval);
+
+		regval_expand = 0;
+	} else {
+		regval_expand = info->expand_register.voltage_mask;
+	}
+
+	ret = abx500_mask_and_set_register_interruptible(info->dev,
+				info->expand_register.voltage_bank,
+				info->expand_register.voltage_reg,
+				info->expand_register.voltage_mask,
+				regval_expand);
+	if (ret < 0) {
+		dev_err(rdev_get_dev(rdev),
+			"couldn't set expand voltage reg for regulator\n");
+		return ret;
+	}
+
+	dev_vdbg(rdev_get_dev(rdev),
+		 "%s-set_voltage expand (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n",
+		 info->desc.name, info->expand_register.voltage_bank,
+		 info->expand_register.voltage_reg,
+		 info->expand_register.voltage_mask, regval_expand);
+
+	return 0;
 }
 
-static struct regulator_ops ab8500_regulator_ops = {
+static struct regulator_ops ab8500_regulator_volt_mode_ops = {
+	.enable			= ab8500_regulator_enable,
+	.disable		= ab8500_regulator_disable,
+	.is_enabled		= ab8500_regulator_is_enabled,
+	.get_optimum_mode	= ab8500_regulator_get_optimum_mode,
+	.set_mode		= ab8500_regulator_set_mode,
+	.get_mode		= ab8500_regulator_get_mode,
+	.get_voltage_sel 	= ab8500_regulator_get_voltage_sel,
+	.set_voltage_sel	= ab8500_regulator_set_voltage_sel,
+	.list_voltage		= regulator_list_voltage_table,
+};
+
+static struct regulator_ops ab8540_aux3_regulator_volt_mode_ops = {
+	.enable		= ab8500_regulator_enable,
+	.disable	= ab8500_regulator_disable,
+	.get_optimum_mode	= ab8500_regulator_get_optimum_mode,
+	.set_mode	= ab8500_regulator_set_mode,
+	.get_mode	= ab8500_regulator_get_mode,
+	.is_enabled	= ab8500_regulator_is_enabled,
+	.get_voltage_sel = ab8540_aux3_regulator_get_voltage_sel,
+	.set_voltage_sel = ab8540_aux3_regulator_set_voltage_sel,
+	.list_voltage	= regulator_list_voltage_table,
+};
+
+static struct regulator_ops ab8500_regulator_volt_ops = {
 	.enable		= ab8500_regulator_enable,
 	.disable	= ab8500_regulator_disable,
 	.is_enabled	= ab8500_regulator_is_enabled,
 	.get_voltage_sel = ab8500_regulator_get_voltage_sel,
 	.set_voltage_sel = ab8500_regulator_set_voltage_sel,
 	.list_voltage	= regulator_list_voltage_table,
-	.set_voltage_time_sel = ab8500_regulator_set_voltage_time_sel,
 };
 
-static struct regulator_ops ab8500_regulator_fixed_ops = {
+static struct regulator_ops ab8500_regulator_mode_ops = {
+	.enable			= ab8500_regulator_enable,
+	.disable		= ab8500_regulator_disable,
+	.is_enabled		= ab8500_regulator_is_enabled,
+	.get_optimum_mode	= ab8500_regulator_get_optimum_mode,
+	.set_mode		= ab8500_regulator_set_mode,
+	.get_mode		= ab8500_regulator_get_mode,
+	.list_voltage		= regulator_list_voltage_table,
+};
+
+static struct regulator_ops ab8500_regulator_ops = {
+	.enable			= ab8500_regulator_enable,
+	.disable		= ab8500_regulator_disable,
+	.is_enabled		= ab8500_regulator_is_enabled,
+	.list_voltage		= regulator_list_voltage_table,
+};
+
+static struct regulator_ops ab8500_regulator_anamic_mode_ops = {
 	.enable		= ab8500_regulator_enable,
 	.disable	= ab8500_regulator_disable,
 	.is_enabled	= ab8500_regulator_is_enabled,
-	.list_voltage	= regulator_list_voltage_linear,
+	.set_mode	= ab8500_regulator_set_mode,
+	.get_mode	= ab8500_regulator_get_mode,
+	.list_voltage	= regulator_list_voltage_table,
 };
 
+/* AB8500 regulator information */
 static struct ab8500_regulator_info
 		ab8500_regulator_info[AB8500_NUM_REGULATORS] = {
 	/*
@@ -274,17 +712,21 @@ static struct ab8500_regulator_info
 	[AB8500_LDO_AUX1] = {
 		.desc = {
 			.name		= "LDO-AUX1",
-			.ops		= &ab8500_regulator_ops,
+			.ops		= &ab8500_regulator_volt_mode_ops,
 			.type		= REGULATOR_VOLTAGE,
 			.id		= AB8500_LDO_AUX1,
 			.owner		= THIS_MODULE,
 			.n_voltages	= ARRAY_SIZE(ldo_vauxn_voltages),
 			.volt_table	= ldo_vauxn_voltages,
+			.enable_time	= 200,
 		},
+		.load_lp_uA		= 5000,
 		.update_bank		= 0x04,
 		.update_reg		= 0x09,
 		.update_mask		= 0x03,
-		.update_val_enable	= 0x01,
+		.update_val		= 0x01,
+		.update_val_idle	= 0x03,
+		.update_val_normal	= 0x01,
 		.voltage_bank		= 0x04,
 		.voltage_reg		= 0x1f,
 		.voltage_mask		= 0x0f,
@@ -292,17 +734,21 @@ static struct ab8500_regulator_info
 	[AB8500_LDO_AUX2] = {
 		.desc = {
 			.name		= "LDO-AUX2",
-			.ops		= &ab8500_regulator_ops,
+			.ops		= &ab8500_regulator_volt_mode_ops,
 			.type		= REGULATOR_VOLTAGE,
 			.id		= AB8500_LDO_AUX2,
 			.owner		= THIS_MODULE,
 			.n_voltages	= ARRAY_SIZE(ldo_vauxn_voltages),
 			.volt_table	= ldo_vauxn_voltages,
+			.enable_time	= 200,
 		},
+		.load_lp_uA		= 5000,
 		.update_bank		= 0x04,
 		.update_reg		= 0x09,
 		.update_mask		= 0x0c,
-		.update_val_enable	= 0x04,
+		.update_val		= 0x04,
+		.update_val_idle	= 0x0c,
+		.update_val_normal	= 0x04,
 		.voltage_bank		= 0x04,
 		.voltage_reg		= 0x20,
 		.voltage_mask		= 0x0f,
@@ -310,17 +756,21 @@ static struct ab8500_regulator_info
 	[AB8500_LDO_AUX3] = {
 		.desc = {
 			.name		= "LDO-AUX3",
-			.ops		= &ab8500_regulator_ops,
+			.ops		= &ab8500_regulator_volt_mode_ops,
 			.type		= REGULATOR_VOLTAGE,
 			.id		= AB8500_LDO_AUX3,
 			.owner		= THIS_MODULE,
 			.n_voltages	= ARRAY_SIZE(ldo_vaux3_voltages),
 			.volt_table	= ldo_vaux3_voltages,
+			.enable_time	= 450,
 		},
+		.load_lp_uA		= 5000,
 		.update_bank		= 0x04,
 		.update_reg		= 0x0a,
 		.update_mask		= 0x03,
-		.update_val_enable	= 0x01,
+		.update_val		= 0x01,
+		.update_val_idle	= 0x03,
+		.update_val_normal	= 0x01,
 		.voltage_bank		= 0x04,
 		.voltage_reg		= 0x21,
 		.voltage_mask		= 0x07,
@@ -328,21 +778,24 @@ static struct ab8500_regulator_info
 	[AB8500_LDO_INTCORE] = {
 		.desc = {
 			.name		= "LDO-INTCORE",
-			.ops		= &ab8500_regulator_ops,
+			.ops		= &ab8500_regulator_volt_mode_ops,
 			.type		= REGULATOR_VOLTAGE,
 			.id		= AB8500_LDO_INTCORE,
 			.owner		= THIS_MODULE,
 			.n_voltages	= ARRAY_SIZE(ldo_vintcore_voltages),
 			.volt_table	= ldo_vintcore_voltages,
+			.enable_time	= 750,
 		},
+		.load_lp_uA		= 5000,
 		.update_bank		= 0x03,
 		.update_reg		= 0x80,
 		.update_mask		= 0x44,
-		.update_val_enable	= 0x04,
+		.update_val		= 0x44,
+		.update_val_idle	= 0x44,
+		.update_val_normal	= 0x04,
 		.voltage_bank		= 0x03,
 		.voltage_reg		= 0x80,
 		.voltage_mask		= 0x38,
-		.voltage_shift		= 3,
 	},
 
 	/*
@@ -353,112 +806,984 @@ static struct ab8500_regulator_info
 	[AB8500_LDO_TVOUT] = {
 		.desc = {
 			.name		= "LDO-TVOUT",
-			.ops		= &ab8500_regulator_fixed_ops,
+			.ops		= &ab8500_regulator_mode_ops,
 			.type		= REGULATOR_VOLTAGE,
 			.id		= AB8500_LDO_TVOUT,
 			.owner		= THIS_MODULE,
 			.n_voltages	= 1,
-			.min_uV		= 2000000,
+			.volt_table	= fixed_2000000_voltage,
+			.enable_time	= 500,
+		},
+		.load_lp_uA		= 1000,
+		.update_bank		= 0x03,
+		.update_reg		= 0x80,
+		.update_mask		= 0x82,
+		.update_val		= 0x02,
+		.update_val_idle	= 0x82,
+		.update_val_normal	= 0x02,
+	},
+	[AB8500_LDO_AUDIO] = {
+		.desc = {
+			.name		= "LDO-AUDIO",
+			.ops		= &ab8500_regulator_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8500_LDO_AUDIO,
+			.owner		= THIS_MODULE,
+			.n_voltages	= 1,
+			.enable_time	= 140,
+			.volt_table	= fixed_2000000_voltage,
+		},
+		.update_bank		= 0x03,
+		.update_reg		= 0x83,
+		.update_mask		= 0x02,
+		.update_val		= 0x02,
+	},
+	[AB8500_LDO_ANAMIC1] = {
+		.desc = {
+			.name		= "LDO-ANAMIC1",
+			.ops		= &ab8500_regulator_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8500_LDO_ANAMIC1,
+			.owner		= THIS_MODULE,
+			.n_voltages	= 1,
+			.enable_time	= 500,
+			.volt_table	= fixed_2050000_voltage,
+		},
+		.update_bank		= 0x03,
+		.update_reg		= 0x83,
+		.update_mask		= 0x08,
+		.update_val		= 0x08,
+	},
+	[AB8500_LDO_ANAMIC2] = {
+		.desc = {
+			.name		= "LDO-ANAMIC2",
+			.ops		= &ab8500_regulator_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8500_LDO_ANAMIC2,
+			.owner		= THIS_MODULE,
+			.n_voltages	= 1,
+			.enable_time	= 500,
+			.volt_table	= fixed_2050000_voltage,
+		},
+		.update_bank		= 0x03,
+		.update_reg		= 0x83,
+		.update_mask		= 0x10,
+		.update_val		= 0x10,
+	},
+	[AB8500_LDO_DMIC] = {
+		.desc = {
+			.name		= "LDO-DMIC",
+			.ops		= &ab8500_regulator_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8500_LDO_DMIC,
+			.owner		= THIS_MODULE,
+			.n_voltages	= 1,
+			.enable_time	= 420,
+			.volt_table	= fixed_1800000_voltage,
+		},
+		.update_bank		= 0x03,
+		.update_reg		= 0x83,
+		.update_mask		= 0x04,
+		.update_val		= 0x04,
+	},
+
+	/*
+	 * Regulators with fixed voltage and normal/idle modes
+	 */
+	[AB8500_LDO_ANA] = {
+		.desc = {
+			.name		= "LDO-ANA",
+			.ops		= &ab8500_regulator_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8500_LDO_ANA,
+			.owner		= THIS_MODULE,
+			.n_voltages	= 1,
+			.enable_time	= 140,
+			.volt_table	= fixed_1200000_voltage,
+		},
+		.load_lp_uA		= 1000,
+		.update_bank		= 0x04,
+		.update_reg		= 0x06,
+		.update_mask		= 0x0c,
+		.update_val		= 0x04,
+		.update_val_idle	= 0x0c,
+		.update_val_normal	= 0x04,
+	},
+};
+
+/* AB8505 regulator information */
+static struct ab8500_regulator_info
+		ab8505_regulator_info[AB8505_NUM_REGULATORS] = {
+	/*
+	 * Variable Voltage Regulators
+	 *   name, min mV, max mV,
+	 *   update bank, reg, mask, enable val
+	 *   volt bank, reg, mask
+	 */
+	[AB8505_LDO_AUX1] = {
+		.desc = {
+			.name		= "LDO-AUX1",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8505_LDO_AUX1,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vauxn_voltages),
+			.volt_table	= ldo_vauxn_voltages,
+		},
+		.load_lp_uA		= 5000,
+		.update_bank		= 0x04,
+		.update_reg		= 0x09,
+		.update_mask		= 0x03,
+		.update_val		= 0x01,
+		.update_val_idle	= 0x03,
+		.update_val_normal	= 0x01,
+		.voltage_bank		= 0x04,
+		.voltage_reg		= 0x1f,
+		.voltage_mask		= 0x0f,
+	},
+	[AB8505_LDO_AUX2] = {
+		.desc = {
+			.name		= "LDO-AUX2",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8505_LDO_AUX2,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vauxn_voltages),
+			.volt_table	= ldo_vauxn_voltages,
+		},
+		.load_lp_uA		= 5000,
+		.update_bank		= 0x04,
+		.update_reg		= 0x09,
+		.update_mask		= 0x0c,
+		.update_val		= 0x04,
+		.update_val_idle	= 0x0c,
+		.update_val_normal	= 0x04,
+		.voltage_bank		= 0x04,
+		.voltage_reg		= 0x20,
+		.voltage_mask		= 0x0f,
+	},
+	[AB8505_LDO_AUX3] = {
+		.desc = {
+			.name		= "LDO-AUX3",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8505_LDO_AUX3,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vaux3_voltages),
+			.volt_table	= ldo_vaux3_voltages,
+		},
+		.load_lp_uA		= 5000,
+		.update_bank		= 0x04,
+		.update_reg		= 0x0a,
+		.update_mask		= 0x03,
+		.update_val		= 0x01,
+		.update_val_idle	= 0x03,
+		.update_val_normal	= 0x01,
+		.voltage_bank		= 0x04,
+		.voltage_reg		= 0x21,
+		.voltage_mask		= 0x07,
+	},
+	[AB8505_LDO_AUX4] = {
+		.desc = {
+			.name		= "LDO-AUX4",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8505_LDO_AUX4,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vauxn_voltages),
+			.volt_table	= ldo_vauxn_voltages,
+		},
+		.load_lp_uA		= 5000,
+		/* values for Vaux4Regu register */
+		.update_bank		= 0x04,
+		.update_reg		= 0x2e,
+		.update_mask		= 0x03,
+		.update_val		= 0x01,
+		.update_val_idle	= 0x03,
+		.update_val_normal	= 0x01,
+		/* values for Vaux4SEL register */
+		.voltage_bank		= 0x04,
+		.voltage_reg		= 0x2f,
+		.voltage_mask		= 0x0f,
+	},
+	[AB8505_LDO_AUX5] = {
+		.desc = {
+			.name		= "LDO-AUX5",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8505_LDO_AUX5,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vaux56_voltages),
+			.volt_table	= ldo_vaux56_voltages,
+		},
+		.load_lp_uA		= 2000,
+		/* values for CtrlVaux5 register */
+		.update_bank		= 0x01,
+		.update_reg		= 0x55,
+		.update_mask		= 0x18,
+		.update_val		= 0x10,
+		.update_val_idle	= 0x18,
+		.update_val_normal	= 0x10,
+		.voltage_bank		= 0x01,
+		.voltage_reg		= 0x55,
+		.voltage_mask		= 0x07,
+	},
+	[AB8505_LDO_AUX6] = {
+		.desc = {
+			.name		= "LDO-AUX6",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8505_LDO_AUX6,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vaux56_voltages),
+			.volt_table	= ldo_vaux56_voltages,
+		},
+		.load_lp_uA		= 2000,
+		/* values for CtrlVaux6 register */
+		.update_bank		= 0x01,
+		.update_reg		= 0x56,
+		.update_mask		= 0x18,
+		.update_val		= 0x10,
+		.update_val_idle	= 0x18,
+		.update_val_normal	= 0x10,
+		.voltage_bank		= 0x01,
+		.voltage_reg		= 0x56,
+		.voltage_mask		= 0x07,
+	},
+	[AB8505_LDO_INTCORE] = {
+		.desc = {
+			.name		= "LDO-INTCORE",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8505_LDO_INTCORE,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vintcore_voltages),
+			.volt_table	= ldo_vintcore_voltages,
+		},
+		.load_lp_uA		= 5000,
+		.update_bank		= 0x03,
+		.update_reg		= 0x80,
+		.update_mask		= 0x44,
+		.update_val		= 0x04,
+		.update_val_idle	= 0x44,
+		.update_val_normal	= 0x04,
+		.voltage_bank		= 0x03,
+		.voltage_reg		= 0x80,
+		.voltage_mask		= 0x38,
+	},
+
+	/*
+	 * Fixed Voltage Regulators
+	 *   name, fixed mV,
+	 *   update bank, reg, mask, enable val
+	 */
+	[AB8505_LDO_ADC] = {
+		.desc = {
+			.name		= "LDO-ADC",
+			.ops		= &ab8500_regulator_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8505_LDO_ADC,
+			.owner		= THIS_MODULE,
+			.n_voltages	= 1,
+			.volt_table	= fixed_2000000_voltage,
 			.enable_time	= 10000,
 		},
-		.delay			= 10000,
+		.load_lp_uA		= 1000,
 		.update_bank		= 0x03,
 		.update_reg		= 0x80,
 		.update_mask		= 0x82,
-		.update_val_enable	= 0x02,
+		.update_val		= 0x02,
+		.update_val_idle	= 0x82,
+		.update_val_normal	= 0x02,
 	},
-	[AB8500_LDO_USB] = {
+	[AB8505_LDO_USB] = {
 		.desc = {
 			.name           = "LDO-USB",
-			.ops            = &ab8500_regulator_fixed_ops,
+			.ops            = &ab8500_regulator_mode_ops,
 			.type           = REGULATOR_VOLTAGE,
-			.id             = AB8500_LDO_USB,
+			.id             = AB8505_LDO_USB,
 			.owner          = THIS_MODULE,
 			.n_voltages     = 1,
-			.min_uV		= 3300000,
+			.volt_table	= fixed_3300000_voltage,
 		},
 		.update_bank            = 0x03,
 		.update_reg             = 0x82,
 		.update_mask            = 0x03,
-		.update_val_enable      = 0x01,
+		.update_val		= 0x01,
+		.update_val_idle	= 0x03,
+		.update_val_normal	= 0x01,
 	},
-	[AB8500_LDO_AUDIO] = {
+	[AB8505_LDO_AUDIO] = {
 		.desc = {
 			.name		= "LDO-AUDIO",
-			.ops		= &ab8500_regulator_fixed_ops,
+			.ops		= &ab8500_regulator_volt_ops,
 			.type		= REGULATOR_VOLTAGE,
-			.id		= AB8500_LDO_AUDIO,
+			.id		= AB8505_LDO_AUDIO,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vaudio_voltages),
+			.volt_table	= ldo_vaudio_voltages,
+		},
+		.update_bank		= 0x03,
+		.update_reg		= 0x83,
+		.update_mask		= 0x02,
+		.update_val		= 0x02,
+		.voltage_bank		= 0x01,
+		.voltage_reg		= 0x57,
+		.voltage_mask		= 0x70,
+	},
+	[AB8505_LDO_ANAMIC1] = {
+		.desc = {
+			.name		= "LDO-ANAMIC1",
+			.ops		= &ab8500_regulator_anamic_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8505_LDO_ANAMIC1,
+			.owner		= THIS_MODULE,
+			.n_voltages	= 1,
+			.volt_table	= fixed_2050000_voltage,
+		},
+		.shared_mode		= &ldo_anamic1_shared,
+		.update_bank		= 0x03,
+		.update_reg		= 0x83,
+		.update_mask		= 0x08,
+		.update_val		= 0x08,
+		.mode_bank		= 0x01,
+		.mode_reg		= 0x54,
+		.mode_mask		= 0x04,
+		.mode_val_idle		= 0x04,
+		.mode_val_normal	= 0x00,
+	},
+	[AB8505_LDO_ANAMIC2] = {
+		.desc = {
+			.name		= "LDO-ANAMIC2",
+			.ops		= &ab8500_regulator_anamic_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8505_LDO_ANAMIC2,
 			.owner		= THIS_MODULE,
 			.n_voltages	= 1,
-			.min_uV		= 2000000,
+			.volt_table	= fixed_2050000_voltage,
+		},
+		.shared_mode		= &ldo_anamic2_shared,
+		.update_bank		= 0x03,
+		.update_reg		= 0x83,
+		.update_mask		= 0x10,
+		.update_val		= 0x10,
+		.mode_bank		= 0x01,
+		.mode_reg		= 0x54,
+		.mode_mask		= 0x04,
+		.mode_val_idle		= 0x04,
+		.mode_val_normal	= 0x00,
+	},
+	[AB8505_LDO_AUX8] = {
+		.desc = {
+			.name		= "LDO-AUX8",
+			.ops		= &ab8500_regulator_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8505_LDO_AUX8,
+			.owner		= THIS_MODULE,
+			.n_voltages	= 1,
+			.volt_table	= fixed_1800000_voltage,
+		},
+		.update_bank		= 0x03,
+		.update_reg		= 0x83,
+		.update_mask		= 0x04,
+		.update_val		= 0x04,
+	},
+	/*
+	 * Regulators with fixed voltage and normal/idle modes
+	 */
+	[AB8505_LDO_ANA] = {
+		.desc = {
+			.name		= "LDO-ANA",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8505_LDO_ANA,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vana_voltages),
+			.volt_table	= ldo_vana_voltages,
+		},
+		.load_lp_uA		= 1000,
+		.update_bank		= 0x04,
+		.update_reg		= 0x06,
+		.update_mask		= 0x0c,
+		.update_val		= 0x04,
+		.update_val_idle	= 0x0c,
+		.update_val_normal	= 0x04,
+		.voltage_bank		= 0x04,
+		.voltage_reg		= 0x29,
+		.voltage_mask		= 0x7,
+	},
+};
+
+/* AB9540 regulator information */
+static struct ab8500_regulator_info
+		ab9540_regulator_info[AB9540_NUM_REGULATORS] = {
+	/*
+	 * Variable Voltage Regulators
+	 *   name, min mV, max mV,
+	 *   update bank, reg, mask, enable val
+	 *   volt bank, reg, mask
+	 */
+	[AB9540_LDO_AUX1] = {
+		.desc = {
+			.name		= "LDO-AUX1",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB9540_LDO_AUX1,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vauxn_voltages),
+			.volt_table	= ldo_vauxn_voltages,
+		},
+		.load_lp_uA		= 5000,
+		.update_bank		= 0x04,
+		.update_reg		= 0x09,
+		.update_mask		= 0x03,
+		.update_val		= 0x01,
+		.update_val_idle	= 0x03,
+		.update_val_normal	= 0x01,
+		.voltage_bank		= 0x04,
+		.voltage_reg		= 0x1f,
+		.voltage_mask		= 0x0f,
+	},
+	[AB9540_LDO_AUX2] = {
+		.desc = {
+			.name		= "LDO-AUX2",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB9540_LDO_AUX2,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vauxn_voltages),
+			.volt_table	= ldo_vauxn_voltages,
+		},
+		.load_lp_uA		= 5000,
+		.update_bank		= 0x04,
+		.update_reg		= 0x09,
+		.update_mask		= 0x0c,
+		.update_val		= 0x04,
+		.update_val_idle	= 0x0c,
+		.update_val_normal	= 0x04,
+		.voltage_bank		= 0x04,
+		.voltage_reg		= 0x20,
+		.voltage_mask		= 0x0f,
+	},
+	[AB9540_LDO_AUX3] = {
+		.desc = {
+			.name		= "LDO-AUX3",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB9540_LDO_AUX3,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vaux3_voltages),
+			.volt_table	= ldo_vaux3_voltages,
+		},
+		.load_lp_uA		= 5000,
+		.update_bank		= 0x04,
+		.update_reg		= 0x0a,
+		.update_mask		= 0x03,
+		.update_val		= 0x01,
+		.update_val_idle	= 0x03,
+		.update_val_normal	= 0x01,
+		.voltage_bank		= 0x04,
+		.voltage_reg		= 0x21,
+		.voltage_mask		= 0x07,
+	},
+	[AB9540_LDO_AUX4] = {
+		.desc = {
+			.name		= "LDO-AUX4",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB9540_LDO_AUX4,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vauxn_voltages),
+			.volt_table	= ldo_vauxn_voltages,
+		},
+		.load_lp_uA		= 5000,
+		/* values for Vaux4Regu register */
+		.update_bank		= 0x04,
+		.update_reg		= 0x2e,
+		.update_mask		= 0x03,
+		.update_val		= 0x01,
+		.update_val_idle	= 0x03,
+		.update_val_normal	= 0x01,
+		/* values for Vaux4SEL register */
+		.voltage_bank		= 0x04,
+		.voltage_reg		= 0x2f,
+		.voltage_mask		= 0x0f,
+	},
+	[AB9540_LDO_INTCORE] = {
+		.desc = {
+			.name		= "LDO-INTCORE",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB9540_LDO_INTCORE,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vintcore_voltages),
+			.volt_table	= ldo_vintcore_voltages,
+		},
+		.load_lp_uA		= 5000,
+		.update_bank		= 0x03,
+		.update_reg		= 0x80,
+		.update_mask		= 0x44,
+		.update_val		= 0x44,
+		.update_val_idle	= 0x44,
+		.update_val_normal	= 0x04,
+		.voltage_bank		= 0x03,
+		.voltage_reg		= 0x80,
+		.voltage_mask		= 0x38,
+	},
+
+	/*
+	 * Fixed Voltage Regulators
+	 *   name, fixed mV,
+	 *   update bank, reg, mask, enable val
+	 */
+	[AB9540_LDO_TVOUT] = {
+		.desc = {
+			.name		= "LDO-TVOUT",
+			.ops		= &ab8500_regulator_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB9540_LDO_TVOUT,
+			.owner		= THIS_MODULE,
+			.n_voltages	= 1,
+			.volt_table	= fixed_2000000_voltage,
+			.enable_time	= 10000,
+		},
+		.load_lp_uA		= 1000,
+		.update_bank		= 0x03,
+		.update_reg		= 0x80,
+		.update_mask		= 0x82,
+		.update_val		= 0x02,
+		.update_val_idle	= 0x82,
+		.update_val_normal	= 0x02,
+	},
+	[AB9540_LDO_USB] = {
+		.desc = {
+			.name           = "LDO-USB",
+			.ops            = &ab8500_regulator_ops,
+			.type           = REGULATOR_VOLTAGE,
+			.id             = AB9540_LDO_USB,
+			.owner          = THIS_MODULE,
+			.n_voltages     = 1,
+			.volt_table	= fixed_3300000_voltage,
+		},
+		.update_bank            = 0x03,
+		.update_reg             = 0x82,
+		.update_mask            = 0x03,
+		.update_val		= 0x01,
+		.update_val_idle	= 0x03,
+		.update_val_normal	= 0x01,
+	},
+	[AB9540_LDO_AUDIO] = {
+		.desc = {
+			.name		= "LDO-AUDIO",
+			.ops		= &ab8500_regulator_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB9540_LDO_AUDIO,
+			.owner		= THIS_MODULE,
+			.n_voltages	= 1,
+			.volt_table	= fixed_2000000_voltage,
 		},
 		.update_bank		= 0x03,
 		.update_reg		= 0x83,
 		.update_mask		= 0x02,
-		.update_val_enable	= 0x02,
+		.update_val		= 0x02,
 	},
-	[AB8500_LDO_ANAMIC1] = {
+	[AB9540_LDO_ANAMIC1] = {
 		.desc = {
 			.name		= "LDO-ANAMIC1",
-			.ops		= &ab8500_regulator_fixed_ops,
+			.ops		= &ab8500_regulator_ops,
 			.type		= REGULATOR_VOLTAGE,
-			.id		= AB8500_LDO_ANAMIC1,
+			.id		= AB9540_LDO_ANAMIC1,
 			.owner		= THIS_MODULE,
 			.n_voltages	= 1,
-			.min_uV		= 2050000,
+			.volt_table	= fixed_2050000_voltage,
 		},
 		.update_bank		= 0x03,
 		.update_reg		= 0x83,
 		.update_mask		= 0x08,
-		.update_val_enable	= 0x08,
+		.update_val		= 0x08,
 	},
-	[AB8500_LDO_ANAMIC2] = {
+	[AB9540_LDO_ANAMIC2] = {
 		.desc = {
 			.name		= "LDO-ANAMIC2",
-			.ops		= &ab8500_regulator_fixed_ops,
+			.ops		= &ab8500_regulator_ops,
 			.type		= REGULATOR_VOLTAGE,
-			.id		= AB8500_LDO_ANAMIC2,
+			.id		= AB9540_LDO_ANAMIC2,
 			.owner		= THIS_MODULE,
 			.n_voltages	= 1,
-			.min_uV		= 2050000,
+			.volt_table	= fixed_2050000_voltage,
 		},
 		.update_bank		= 0x03,
 		.update_reg		= 0x83,
 		.update_mask		= 0x10,
-		.update_val_enable	= 0x10,
+		.update_val		= 0x10,
 	},
-	[AB8500_LDO_DMIC] = {
+	[AB9540_LDO_DMIC] = {
 		.desc = {
 			.name		= "LDO-DMIC",
-			.ops		= &ab8500_regulator_fixed_ops,
+			.ops		= &ab8500_regulator_ops,
 			.type		= REGULATOR_VOLTAGE,
-			.id		= AB8500_LDO_DMIC,
+			.id		= AB9540_LDO_DMIC,
 			.owner		= THIS_MODULE,
 			.n_voltages	= 1,
-			.min_uV		= 1800000,
+			.volt_table	= fixed_1800000_voltage,
 		},
 		.update_bank		= 0x03,
 		.update_reg		= 0x83,
 		.update_mask		= 0x04,
-		.update_val_enable	= 0x04,
+		.update_val		= 0x04,
 	},
-	[AB8500_LDO_ANA] = {
+
+	/*
+	 * Regulators with fixed voltage and normal/idle modes
+	 */
+	[AB9540_LDO_ANA] = {
 		.desc = {
 			.name		= "LDO-ANA",
-			.ops		= &ab8500_regulator_fixed_ops,
+			.ops		= &ab8500_regulator_mode_ops,
 			.type		= REGULATOR_VOLTAGE,
-			.id		= AB8500_LDO_ANA,
+			.id		= AB9540_LDO_ANA,
 			.owner		= THIS_MODULE,
 			.n_voltages	= 1,
-			.min_uV		= 1200000,
+			.volt_table	= fixed_1200000_voltage,
 		},
+		.load_lp_uA		= 1000,
 		.update_bank		= 0x04,
 		.update_reg		= 0x06,
 		.update_mask		= 0x0c,
-		.update_val_enable	= 0x04,
+		.update_val		= 0x08,
+		.update_val_idle	= 0x0c,
+		.update_val_normal	= 0x08,
 	},
+};
 
+/* AB8540 regulator information */
+static struct ab8500_regulator_info
+		ab8540_regulator_info[AB8540_NUM_REGULATORS] = {
+	/*
+	 * Variable Voltage Regulators
+	 *   name, min mV, max mV,
+	 *   update bank, reg, mask, enable val
+	 *   volt bank, reg, mask
+	 */
+	[AB8540_LDO_AUX1] = {
+		.desc = {
+			.name		= "LDO-AUX1",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8540_LDO_AUX1,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vauxn_voltages),
+			.volt_table	= ldo_vauxn_voltages,
+		},
+		.load_lp_uA		= 5000,
+		.update_bank		= 0x04,
+		.update_reg		= 0x09,
+		.update_mask		= 0x03,
+		.update_val		= 0x01,
+		.update_val_idle	= 0x03,
+		.update_val_normal	= 0x01,
+		.voltage_bank		= 0x04,
+		.voltage_reg		= 0x1f,
+		.voltage_mask		= 0x0f,
+	},
+	[AB8540_LDO_AUX2] = {
+		.desc = {
+			.name		= "LDO-AUX2",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8540_LDO_AUX2,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vauxn_voltages),
+			.volt_table	= ldo_vauxn_voltages,
+		},
+		.load_lp_uA		= 5000,
+		.update_bank		= 0x04,
+		.update_reg		= 0x09,
+		.update_mask		= 0x0c,
+		.update_val		= 0x04,
+		.update_val_idle	= 0x0c,
+		.update_val_normal	= 0x04,
+		.voltage_bank		= 0x04,
+		.voltage_reg		= 0x20,
+		.voltage_mask		= 0x0f,
+	},
+	[AB8540_LDO_AUX3] = {
+		.desc = {
+			.name		= "LDO-AUX3",
+			.ops		= &ab8540_aux3_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8540_LDO_AUX3,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vaux3_ab8540_voltages),
+			.volt_table	= ldo_vaux3_ab8540_voltages,
+		},
+		.load_lp_uA		= 5000,
+		.update_bank		= 0x04,
+		.update_reg		= 0x0a,
+		.update_mask		= 0x03,
+		.update_val		= 0x01,
+		.update_val_idle	= 0x03,
+		.update_val_normal	= 0x01,
+		.voltage_bank		= 0x04,
+		.voltage_reg		= 0x21,
+		.voltage_mask		= 0x07,
+		.expand_register = {
+			.voltage_limit		= 8,
+			.voltage_bank		= 0x04,
+			.voltage_reg		= 0x01,
+			.voltage_mask		= 0x10,
+		}
+	},
+	[AB8540_LDO_AUX4] = {
+		.desc = {
+			.name		= "LDO-AUX4",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8540_LDO_AUX4,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vauxn_voltages),
+			.volt_table	= ldo_vauxn_voltages,
+		},
+		.load_lp_uA		= 5000,
+		/* values for Vaux4Regu register */
+		.update_bank		= 0x04,
+		.update_reg		= 0x2e,
+		.update_mask		= 0x03,
+		.update_val		= 0x01,
+		.update_val_idle	= 0x03,
+		.update_val_normal	= 0x01,
+		/* values for Vaux4SEL register */
+		.voltage_bank		= 0x04,
+		.voltage_reg		= 0x2f,
+		.voltage_mask		= 0x0f,
+	},
+	[AB8540_LDO_AUX5] = {
+		.desc = {
+			.name		= "LDO-AUX5",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8540_LDO_AUX5,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vaux56_ab8540_voltages),
+			.volt_table	= ldo_vaux56_ab8540_voltages,
+		},
+		.load_lp_uA		= 20000,
+		/* values for Vaux5Regu register */
+		.update_bank		= 0x04,
+		.update_reg		= 0x32,
+		.update_mask		= 0x03,
+		.update_val		= 0x01,
+		.update_val_idle	= 0x03,
+		.update_val_normal	= 0x01,
+		/* values for Vaux5SEL register */
+		.voltage_bank		= 0x04,
+		.voltage_reg		= 0x33,
+		.voltage_mask		= 0x3f,
+	},
+	[AB8540_LDO_AUX6] = {
+		.desc = {
+			.name		= "LDO-AUX6",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8540_LDO_AUX6,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vaux56_ab8540_voltages),
+			.volt_table	= ldo_vaux56_ab8540_voltages,
+		},
+		.load_lp_uA		= 20000,
+		/* values for Vaux6Regu register */
+		.update_bank		= 0x04,
+		.update_reg		= 0x35,
+		.update_mask		= 0x03,
+		.update_val		= 0x01,
+		.update_val_idle	= 0x03,
+		.update_val_normal	= 0x01,
+		/* values for Vaux6SEL register */
+		.voltage_bank		= 0x04,
+		.voltage_reg		= 0x36,
+		.voltage_mask		= 0x3f,
+	},
+	[AB8540_LDO_INTCORE] = {
+		.desc = {
+			.name		= "LDO-INTCORE",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8540_LDO_INTCORE,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vintcore_voltages),
+			.volt_table	= ldo_vintcore_voltages,
+		},
+		.load_lp_uA		= 5000,
+		.update_bank		= 0x03,
+		.update_reg		= 0x80,
+		.update_mask		= 0x44,
+		.update_val		= 0x44,
+		.update_val_idle	= 0x44,
+		.update_val_normal	= 0x04,
+		.voltage_bank		= 0x03,
+		.voltage_reg		= 0x80,
+		.voltage_mask		= 0x38,
+	},
 
+	/*
+	 * Fixed Voltage Regulators
+	 *   name, fixed mV,
+	 *   update bank, reg, mask, enable val
+	 */
+	[AB8540_LDO_TVOUT] = {
+		.desc = {
+			.name		= "LDO-TVOUT",
+			.ops		= &ab8500_regulator_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8540_LDO_TVOUT,
+			.owner		= THIS_MODULE,
+			.n_voltages	= 1,
+			.volt_table     = fixed_2000000_voltage,
+			.enable_time	= 10000,
+		},
+		.load_lp_uA		= 1000,
+		.update_bank		= 0x03,
+		.update_reg		= 0x80,
+		.update_mask		= 0x82,
+		.update_val		= 0x02,
+		.update_val_idle	= 0x82,
+		.update_val_normal	= 0x02,
+	},
+	[AB8540_LDO_AUDIO] = {
+		.desc = {
+			.name		= "LDO-AUDIO",
+			.ops		= &ab8500_regulator_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8540_LDO_AUDIO,
+			.owner		= THIS_MODULE,
+			.n_voltages	= 1,
+			.volt_table	= fixed_2000000_voltage,
+		},
+		.update_bank		= 0x03,
+		.update_reg		= 0x83,
+		.update_mask		= 0x02,
+		.update_val		= 0x02,
+	},
+	[AB8540_LDO_ANAMIC1] = {
+		.desc = {
+			.name		= "LDO-ANAMIC1",
+			.ops		= &ab8500_regulator_anamic_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8540_LDO_ANAMIC1,
+			.owner		= THIS_MODULE,
+			.n_voltages	= 1,
+			.volt_table	= fixed_2050000_voltage,
+		},
+		.shared_mode		= &ab8540_ldo_anamic1_shared,
+		.update_bank		= 0x03,
+		.update_reg		= 0x83,
+		.update_mask		= 0x08,
+		.update_val		= 0x08,
+		.mode_bank		= 0x03,
+		.mode_reg		= 0x83,
+		.mode_mask		= 0x20,
+		.mode_val_idle		= 0x20,
+		.mode_val_normal	= 0x00,
+	},
+	[AB8540_LDO_ANAMIC2] = {
+		.desc = {
+			.name		= "LDO-ANAMIC2",
+			.ops		= &ab8500_regulator_anamic_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8540_LDO_ANAMIC2,
+			.owner		= THIS_MODULE,
+			.n_voltages	= 1,
+			.volt_table	= fixed_2050000_voltage,
+		},
+		.shared_mode		= &ab8540_ldo_anamic2_shared,
+		.update_bank		= 0x03,
+		.update_reg		= 0x83,
+		.update_mask		= 0x10,
+		.update_val		= 0x10,
+		.mode_bank		= 0x03,
+		.mode_reg		= 0x83,
+		.mode_mask		= 0x20,
+		.mode_val_idle		= 0x20,
+		.mode_val_normal	= 0x00,
+	},
+	[AB8540_LDO_DMIC] = {
+		.desc = {
+			.name		= "LDO-DMIC",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8540_LDO_DMIC,
+			.owner		= THIS_MODULE,
+			.n_voltages	= ARRAY_SIZE(ldo_vdmic_voltages),
+			.volt_table	= ldo_vdmic_voltages,
+		},
+		.load_lp_uA		= 1000,
+		.update_bank		= 0x03,
+		.update_reg		= 0x83,
+		.update_mask		= 0x04,
+		.update_val		= 0x04,
+		.voltage_bank		= 0x03,
+		.voltage_reg		= 0x83,
+		.voltage_mask		= 0xc0,
+	},
+
+	/*
+	 * Regulators with fixed voltage and normal/idle modes
+	 */
+	[AB8540_LDO_ANA] = {
+		.desc = {
+			.name		= "LDO-ANA",
+			.ops		= &ab8500_regulator_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8540_LDO_ANA,
+			.owner		= THIS_MODULE,
+			.n_voltages	= 1,
+			.volt_table     = fixed_1200000_voltage,
+		},
+		.load_lp_uA		= 1000,
+		.update_bank		= 0x04,
+		.update_reg		= 0x06,
+		.update_mask		= 0x0c,
+		.update_val		= 0x04,
+		.update_val_idle	= 0x0c,
+		.update_val_normal	= 0x04,
+	},
+	[AB8540_LDO_SDIO] = {
+		.desc = {
+			.name		= "LDO-SDIO",
+			.ops		= &ab8500_regulator_volt_mode_ops,
+			.type		= REGULATOR_VOLTAGE,
+			.id		= AB8540_LDO_SDIO,
+			.owner		= THIS_MODULE,
+			.n_voltages 	= ARRAY_SIZE(ldo_sdio_voltages),
+			.volt_table	= ldo_sdio_voltages,
+		},
+		.load_lp_uA		= 5000,
+		.update_bank		= 0x03,
+		.update_reg		= 0x88,
+		.update_mask		= 0x30,
+		.update_val		= 0x10,
+		.update_val_idle	= 0x30,
+		.update_val_normal	= 0x10,
+		.voltage_bank		= 0x03,
+		.voltage_reg		= 0x88,
+		.voltage_mask		= 0x07,
+	},
+};
+
+static struct ab8500_shared_mode ldo_anamic1_shared = {
+	.shared_regulator = &ab8505_regulator_info[AB8505_LDO_ANAMIC2],
+};
+
+static struct ab8500_shared_mode ldo_anamic2_shared = {
+	.shared_regulator = &ab8505_regulator_info[AB8505_LDO_ANAMIC1],
+};
+
+static struct ab8500_shared_mode ab8540_ldo_anamic1_shared = {
+	.shared_regulator = &ab8540_regulator_info[AB8540_LDO_ANAMIC2],
+};
+
+static struct ab8500_shared_mode ab8540_ldo_anamic2_shared = {
+	.shared_regulator = &ab8540_regulator_info[AB8540_LDO_ANAMIC1],
 };
 
 struct ab8500_reg_init {
@@ -474,13 +1799,13 @@ struct ab8500_reg_init {
 		.mask = _mask,			\
 	}
 
+/* AB8500 register init */
 static struct ab8500_reg_init ab8500_reg_init[] = {
 	/*
 	 * 0x30, VanaRequestCtrl
-	 * 0x0C, VpllRequestCtrl
 	 * 0xc0, VextSupply1RequestCtrl
 	 */
-	REG_INIT(AB8500_REGUREQUESTCTRL2,	0x03, 0x04, 0xfc),
+	REG_INIT(AB8500_REGUREQUESTCTRL2,	0x03, 0x04, 0xf0),
 	/*
 	 * 0x03, VextSupply2RequestCtrl
 	 * 0x0c, VextSupply3RequestCtrl
@@ -547,13 +1872,21 @@ static struct ab8500_reg_init ab8500_reg_init[] = {
 	REG_INIT(AB8500_REGUSWHPREQVALID2,	0x03, 0x0e, 0x1f),
 	/*
 	 * 0x02, SysClkReq2Valid1
-	 * ...
+	 * 0x04, SysClkReq3Valid1
+	 * 0x08, SysClkReq4Valid1
+	 * 0x10, SysClkReq5Valid1
+	 * 0x20, SysClkReq6Valid1
+	 * 0x40, SysClkReq7Valid1
 	 * 0x80, SysClkReq8Valid1
 	 */
 	REG_INIT(AB8500_REGUSYSCLKREQVALID1,	0x03, 0x0f, 0xfe),
 	/*
 	 * 0x02, SysClkReq2Valid2
-	 * ...
+	 * 0x04, SysClkReq3Valid2
+	 * 0x08, SysClkReq4Valid2
+	 * 0x10, SysClkReq5Valid2
+	 * 0x20, SysClkReq6Valid2
+	 * 0x40, SysClkReq7Valid2
 	 * 0x80, SysClkReq8Valid2
 	 */
 	REG_INIT(AB8500_REGUSYSCLKREQVALID2,	0x03, 0x10, 0xfe),
@@ -578,8 +1911,8 @@ static struct ab8500_reg_init ab8500_reg_init[] = {
 	 */
 	REG_INIT(AB8500_REGUCTRL1VAMIC,		0x03, 0x84, 0x03),
 	/*
+	 * 0x03, VpllRegu (NOTE! PRCMU register bits)
 	 * 0x0c, VanaRegu
-	 * 0x03, VpllRegu
 	 */
 	REG_INIT(AB8500_VPLLVANAREGU,		0x04, 0x06, 0x0f),
 	/*
@@ -605,10 +1938,6 @@ static struct ab8500_reg_init ab8500_reg_init[] = {
 	 */
 	REG_INIT(AB8500_VRF1VAUX3REGU,		0x04, 0x0a, 0x03),
 	/*
-	 * 0x3f, Vsmps1Sel1
-	 */
-	REG_INIT(AB8500_VSMPS1SEL1,		0x04, 0x13, 0x3f),
-	/*
 	 * 0x0f, Vaux1Sel
 	 */
 	REG_INIT(AB8500_VAUX1SEL,		0x04, 0x1f, 0x0f),
@@ -641,52 +1970,1073 @@ static struct ab8500_reg_init ab8500_reg_init[] = {
 	REG_INIT(AB8500_REGUCTRLDISCH2,		0x04, 0x44, 0x16),
 };
 
-static int
-ab8500_regulator_init_registers(struct platform_device *pdev, int id, int value)
+/* AB8505 register init */
+static struct ab8500_reg_init ab8505_reg_init[] = {
+	/*
+	 * 0x03, VarmRequestCtrl
+	 * 0x0c, VsmpsCRequestCtrl
+	 * 0x30, VsmpsARequestCtrl
+	 * 0xc0, VsmpsBRequestCtrl
+	 */
+	REG_INIT(AB8505_REGUREQUESTCTRL1,	0x03, 0x03, 0xff),
+	/*
+	 * 0x03, VsafeRequestCtrl
+	 * 0x0c, VpllRequestCtrl
+	 * 0x30, VanaRequestCtrl
+	 */
+	REG_INIT(AB8505_REGUREQUESTCTRL2,	0x03, 0x04, 0x3f),
+	/*
+	 * 0x30, Vaux1RequestCtrl
+	 * 0xc0, Vaux2RequestCtrl
+	 */
+	REG_INIT(AB8505_REGUREQUESTCTRL3,	0x03, 0x05, 0xf0),
+	/*
+	 * 0x03, Vaux3RequestCtrl
+	 * 0x04, SwHPReq
+	 */
+	REG_INIT(AB8505_REGUREQUESTCTRL4,	0x03, 0x06, 0x07),
+	/*
+	 * 0x01, VsmpsASysClkReq1HPValid
+	 * 0x02, VsmpsBSysClkReq1HPValid
+	 * 0x04, VsafeSysClkReq1HPValid
+	 * 0x08, VanaSysClkReq1HPValid
+	 * 0x10, VpllSysClkReq1HPValid
+	 * 0x20, Vaux1SysClkReq1HPValid
+	 * 0x40, Vaux2SysClkReq1HPValid
+	 * 0x80, Vaux3SysClkReq1HPValid
+	 */
+	REG_INIT(AB8505_REGUSYSCLKREQ1HPVALID1,	0x03, 0x07, 0xff),
+	/*
+	 * 0x01, VsmpsCSysClkReq1HPValid
+	 * 0x02, VarmSysClkReq1HPValid
+	 * 0x04, VbbSysClkReq1HPValid
+	 * 0x08, VsmpsMSysClkReq1HPValid
+	 */
+	REG_INIT(AB8505_REGUSYSCLKREQ1HPVALID2,	0x03, 0x08, 0x0f),
+	/*
+	 * 0x01, VsmpsAHwHPReq1Valid
+	 * 0x02, VsmpsBHwHPReq1Valid
+	 * 0x04, VsafeHwHPReq1Valid
+	 * 0x08, VanaHwHPReq1Valid
+	 * 0x10, VpllHwHPReq1Valid
+	 * 0x20, Vaux1HwHPReq1Valid
+	 * 0x40, Vaux2HwHPReq1Valid
+	 * 0x80, Vaux3HwHPReq1Valid
+	 */
+	REG_INIT(AB8505_REGUHWHPREQ1VALID1,	0x03, 0x09, 0xff),
+	/*
+	 * 0x08, VsmpsMHwHPReq1Valid
+	 */
+	REG_INIT(AB8505_REGUHWHPREQ1VALID2,	0x03, 0x0a, 0x08),
+	/*
+	 * 0x01, VsmpsAHwHPReq2Valid
+	 * 0x02, VsmpsBHwHPReq2Valid
+	 * 0x04, VsafeHwHPReq2Valid
+	 * 0x08, VanaHwHPReq2Valid
+	 * 0x10, VpllHwHPReq2Valid
+	 * 0x20, Vaux1HwHPReq2Valid
+	 * 0x40, Vaux2HwHPReq2Valid
+	 * 0x80, Vaux3HwHPReq2Valid
+	 */
+	REG_INIT(AB8505_REGUHWHPREQ2VALID1,	0x03, 0x0b, 0xff),
+	/*
+	 * 0x08, VsmpsMHwHPReq2Valid
+	 */
+	REG_INIT(AB8505_REGUHWHPREQ2VALID2,	0x03, 0x0c, 0x08),
+	/*
+	 * 0x01, VsmpsCSwHPReqValid
+	 * 0x02, VarmSwHPReqValid
+	 * 0x04, VsmpsASwHPReqValid
+	 * 0x08, VsmpsBSwHPReqValid
+	 * 0x10, VsafeSwHPReqValid
+	 * 0x20, VanaSwHPReqValid
+	 * 0x40, VpllSwHPReqValid
+	 * 0x80, Vaux1SwHPReqValid
+	 */
+	REG_INIT(AB8505_REGUSWHPREQVALID1,	0x03, 0x0d, 0xff),
+	/*
+	 * 0x01, Vaux2SwHPReqValid
+	 * 0x02, Vaux3SwHPReqValid
+	 * 0x20, VsmpsMSwHPReqValid
+	 */
+	REG_INIT(AB8505_REGUSWHPREQVALID2,	0x03, 0x0e, 0x23),
+	/*
+	 * 0x02, SysClkReq2Valid1
+	 * 0x04, SysClkReq3Valid1
+	 * 0x08, SysClkReq4Valid1
+	 */
+	REG_INIT(AB8505_REGUSYSCLKREQVALID1,	0x03, 0x0f, 0x0e),
+	/*
+	 * 0x02, SysClkReq2Valid2
+	 * 0x04, SysClkReq3Valid2
+	 * 0x08, SysClkReq4Valid2
+	 */
+	REG_INIT(AB8505_REGUSYSCLKREQVALID2,	0x03, 0x10, 0x0e),
+	/*
+	 * 0x01, Vaux4SwHPReqValid
+	 * 0x02, Vaux4HwHPReq2Valid
+	 * 0x04, Vaux4HwHPReq1Valid
+	 * 0x08, Vaux4SysClkReq1HPValid
+	 */
+	REG_INIT(AB8505_REGUVAUX4REQVALID,	0x03, 0x11, 0x0f),
+	/*
+	 * 0x02, VadcEna
+	 * 0x04, VintCore12Ena
+	 * 0x38, VintCore12Sel
+	 * 0x40, VintCore12LP
+	 * 0x80, VadcLP
+	 */
+	REG_INIT(AB8505_REGUMISC1,		0x03, 0x80, 0xfe),
+	/*
+	 * 0x02, VaudioEna
+	 * 0x04, VdmicEna
+	 * 0x08, Vamic1Ena
+	 * 0x10, Vamic2Ena
+	 */
+	REG_INIT(AB8505_VAUDIOSUPPLY,		0x03, 0x83, 0x1e),
+	/*
+	 * 0x01, Vamic1_dzout
+	 * 0x02, Vamic2_dzout
+	 */
+	REG_INIT(AB8505_REGUCTRL1VAMIC,		0x03, 0x84, 0x03),
+	/*
+	 * 0x03, VsmpsARegu
+	 * 0x0c, VsmpsASelCtrl
+	 * 0x10, VsmpsAAutoMode
+	 * 0x20, VsmpsAPWMMode
+	 */
+	REG_INIT(AB8505_VSMPSAREGU,		0x04, 0x03, 0x3f),
+	/*
+	 * 0x03, VsmpsBRegu
+	 * 0x0c, VsmpsBSelCtrl
+	 * 0x10, VsmpsBAutoMode
+	 * 0x20, VsmpsBPWMMode
+	 */
+	REG_INIT(AB8505_VSMPSBREGU,		0x04, 0x04, 0x3f),
+	/*
+	 * 0x03, VsafeRegu
+	 * 0x0c, VsafeSelCtrl
+	 * 0x10, VsafeAutoMode
+	 * 0x20, VsafePWMMode
+	 */
+	REG_INIT(AB8505_VSAFEREGU,		0x04, 0x05, 0x3f),
+	/*
+	 * 0x03, VpllRegu (NOTE! PRCMU register bits)
+	 * 0x0c, VanaRegu
+	 */
+	REG_INIT(AB8505_VPLLVANAREGU,		0x04, 0x06, 0x0f),
+	/*
+	 * 0x03, VextSupply1Regu
+	 * 0x0c, VextSupply2Regu
+	 * 0x30, VextSupply3Regu
+	 * 0x40, ExtSupply2Bypass
+	 * 0x80, ExtSupply3Bypass
+	 */
+	REG_INIT(AB8505_EXTSUPPLYREGU,		0x04, 0x08, 0xff),
+	/*
+	 * 0x03, Vaux1Regu
+	 * 0x0c, Vaux2Regu
+	 */
+	REG_INIT(AB8505_VAUX12REGU,		0x04, 0x09, 0x0f),
+	/*
+	 * 0x0f, Vaux3Regu
+	 */
+	REG_INIT(AB8505_VRF1VAUX3REGU,		0x04, 0x0a, 0x0f),
+	/*
+	 * 0x3f, VsmpsASel1
+	 */
+	REG_INIT(AB8505_VSMPSASEL1,		0x04, 0x13, 0x3f),
+	/*
+	 * 0x3f, VsmpsASel2
+	 */
+	REG_INIT(AB8505_VSMPSASEL2,		0x04, 0x14, 0x3f),
+	/*
+	 * 0x3f, VsmpsASel3
+	 */
+	REG_INIT(AB8505_VSMPSASEL3,		0x04, 0x15, 0x3f),
+	/*
+	 * 0x3f, VsmpsBSel1
+	 */
+	REG_INIT(AB8505_VSMPSBSEL1,		0x04, 0x17, 0x3f),
+	/*
+	 * 0x3f, VsmpsBSel2
+	 */
+	REG_INIT(AB8505_VSMPSBSEL2,		0x04, 0x18, 0x3f),
+	/*
+	 * 0x3f, VsmpsBSel3
+	 */
+	REG_INIT(AB8505_VSMPSBSEL3,		0x04, 0x19, 0x3f),
+	/*
+	 * 0x7f, VsafeSel1
+	 */
+	REG_INIT(AB8505_VSAFESEL1,		0x04, 0x1b, 0x7f),
+	/*
+	 * 0x3f, VsafeSel2
+	 */
+	REG_INIT(AB8505_VSAFESEL2,		0x04, 0x1c, 0x7f),
+	/*
+	 * 0x3f, VsafeSel3
+	 */
+	REG_INIT(AB8505_VSAFESEL3,		0x04, 0x1d, 0x7f),
+	/*
+	 * 0x0f, Vaux1Sel
+	 */
+	REG_INIT(AB8505_VAUX1SEL,		0x04, 0x1f, 0x0f),
+	/*
+	 * 0x0f, Vaux2Sel
+	 */
+	REG_INIT(AB8505_VAUX2SEL,		0x04, 0x20, 0x0f),
+	/*
+	 * 0x07, Vaux3Sel
+	 * 0x30, VRF1Sel
+	 */
+	REG_INIT(AB8505_VRF1VAUX3SEL,		0x04, 0x21, 0x37),
+	/*
+	 * 0x03, Vaux4RequestCtrl
+	 */
+	REG_INIT(AB8505_VAUX4REQCTRL,		0x04, 0x2d, 0x03),
+	/*
+	 * 0x03, Vaux4Regu
+	 */
+	REG_INIT(AB8505_VAUX4REGU,		0x04, 0x2e, 0x03),
+	/*
+	 * 0x0f, Vaux4Sel
+	 */
+	REG_INIT(AB8505_VAUX4SEL,		0x04, 0x2f, 0x0f),
+	/*
+	 * 0x04, Vaux1Disch
+	 * 0x08, Vaux2Disch
+	 * 0x10, Vaux3Disch
+	 * 0x20, Vintcore12Disch
+	 * 0x40, VTVoutDisch
+	 * 0x80, VaudioDisch
+	 */
+	REG_INIT(AB8505_REGUCTRLDISCH,		0x04, 0x43, 0xfc),
+	/*
+	 * 0x02, VanaDisch
+	 * 0x04, VdmicPullDownEna
+	 * 0x10, VdmicDisch
+	 */
+	REG_INIT(AB8505_REGUCTRLDISCH2,		0x04, 0x44, 0x16),
+	/*
+	 * 0x01, Vaux4Disch
+	 */
+	REG_INIT(AB8505_REGUCTRLDISCH3,		0x04, 0x48, 0x01),
+	/*
+	 * 0x07, Vaux5Sel
+	 * 0x08, Vaux5LP
+	 * 0x10, Vaux5Ena
+	 * 0x20, Vaux5Disch
+	 * 0x40, Vaux5DisSfst
+	 * 0x80, Vaux5DisPulld
+	 */
+	REG_INIT(AB8505_CTRLVAUX5,		0x01, 0x55, 0xff),
+	/*
+	 * 0x07, Vaux6Sel
+	 * 0x08, Vaux6LP
+	 * 0x10, Vaux6Ena
+	 * 0x80, Vaux6DisPulld
+	 */
+	REG_INIT(AB8505_CTRLVAUX6,		0x01, 0x56, 0x9f),
+};
+
+/* AB9540 register init */
+static struct ab8500_reg_init ab9540_reg_init[] = {
+	/*
+	 * 0x03, VarmRequestCtrl
+	 * 0x0c, VapeRequestCtrl
+	 * 0x30, Vsmps1RequestCtrl
+	 * 0xc0, Vsmps2RequestCtrl
+	 */
+	REG_INIT(AB9540_REGUREQUESTCTRL1,	0x03, 0x03, 0xff),
+	/*
+	 * 0x03, Vsmps3RequestCtrl
+	 * 0x0c, VpllRequestCtrl
+	 * 0x30, VanaRequestCtrl
+	 * 0xc0, VextSupply1RequestCtrl
+	 */
+	REG_INIT(AB9540_REGUREQUESTCTRL2,	0x03, 0x04, 0xff),
+	/*
+	 * 0x03, VextSupply2RequestCtrl
+	 * 0x0c, VextSupply3RequestCtrl
+	 * 0x30, Vaux1RequestCtrl
+	 * 0xc0, Vaux2RequestCtrl
+	 */
+	REG_INIT(AB9540_REGUREQUESTCTRL3,	0x03, 0x05, 0xff),
+	/*
+	 * 0x03, Vaux3RequestCtrl
+	 * 0x04, SwHPReq
+	 */
+	REG_INIT(AB9540_REGUREQUESTCTRL4,	0x03, 0x06, 0x07),
+	/*
+	 * 0x01, Vsmps1SysClkReq1HPValid
+	 * 0x02, Vsmps2SysClkReq1HPValid
+	 * 0x04, Vsmps3SysClkReq1HPValid
+	 * 0x08, VanaSysClkReq1HPValid
+	 * 0x10, VpllSysClkReq1HPValid
+	 * 0x20, Vaux1SysClkReq1HPValid
+	 * 0x40, Vaux2SysClkReq1HPValid
+	 * 0x80, Vaux3SysClkReq1HPValid
+	 */
+	REG_INIT(AB9540_REGUSYSCLKREQ1HPVALID1,	0x03, 0x07, 0xff),
+	/*
+	 * 0x01, VapeSysClkReq1HPValid
+	 * 0x02, VarmSysClkReq1HPValid
+	 * 0x04, VbbSysClkReq1HPValid
+	 * 0x08, VmodSysClkReq1HPValid
+	 * 0x10, VextSupply1SysClkReq1HPValid
+	 * 0x20, VextSupply2SysClkReq1HPValid
+	 * 0x40, VextSupply3SysClkReq1HPValid
+	 */
+	REG_INIT(AB9540_REGUSYSCLKREQ1HPVALID2,	0x03, 0x08, 0x7f),
+	/*
+	 * 0x01, Vsmps1HwHPReq1Valid
+	 * 0x02, Vsmps2HwHPReq1Valid
+	 * 0x04, Vsmps3HwHPReq1Valid
+	 * 0x08, VanaHwHPReq1Valid
+	 * 0x10, VpllHwHPReq1Valid
+	 * 0x20, Vaux1HwHPReq1Valid
+	 * 0x40, Vaux2HwHPReq1Valid
+	 * 0x80, Vaux3HwHPReq1Valid
+	 */
+	REG_INIT(AB9540_REGUHWHPREQ1VALID1,	0x03, 0x09, 0xff),
+	/*
+	 * 0x01, VextSupply1HwHPReq1Valid
+	 * 0x02, VextSupply2HwHPReq1Valid
+	 * 0x04, VextSupply3HwHPReq1Valid
+	 * 0x08, VmodHwHPReq1Valid
+	 */
+	REG_INIT(AB9540_REGUHWHPREQ1VALID2,	0x03, 0x0a, 0x0f),
+	/*
+	 * 0x01, Vsmps1HwHPReq2Valid
+	 * 0x02, Vsmps2HwHPReq2Valid
+	 * 0x03, Vsmps3HwHPReq2Valid
+	 * 0x08, VanaHwHPReq2Valid
+	 * 0x10, VpllHwHPReq2Valid
+	 * 0x20, Vaux1HwHPReq2Valid
+	 * 0x40, Vaux2HwHPReq2Valid
+	 * 0x80, Vaux3HwHPReq2Valid
+	 */
+	REG_INIT(AB9540_REGUHWHPREQ2VALID1,	0x03, 0x0b, 0xff),
+	/*
+	 * 0x01, VextSupply1HwHPReq2Valid
+	 * 0x02, VextSupply2HwHPReq2Valid
+	 * 0x04, VextSupply3HwHPReq2Valid
+	 * 0x08, VmodHwHPReq2Valid
+	 */
+	REG_INIT(AB9540_REGUHWHPREQ2VALID2,	0x03, 0x0c, 0x0f),
+	/*
+	 * 0x01, VapeSwHPReqValid
+	 * 0x02, VarmSwHPReqValid
+	 * 0x04, Vsmps1SwHPReqValid
+	 * 0x08, Vsmps2SwHPReqValid
+	 * 0x10, Vsmps3SwHPReqValid
+	 * 0x20, VanaSwHPReqValid
+	 * 0x40, VpllSwHPReqValid
+	 * 0x80, Vaux1SwHPReqValid
+	 */
+	REG_INIT(AB9540_REGUSWHPREQVALID1,	0x03, 0x0d, 0xff),
+	/*
+	 * 0x01, Vaux2SwHPReqValid
+	 * 0x02, Vaux3SwHPReqValid
+	 * 0x04, VextSupply1SwHPReqValid
+	 * 0x08, VextSupply2SwHPReqValid
+	 * 0x10, VextSupply3SwHPReqValid
+	 * 0x20, VmodSwHPReqValid
+	 */
+	REG_INIT(AB9540_REGUSWHPREQVALID2,	0x03, 0x0e, 0x3f),
+	/*
+	 * 0x02, SysClkReq2Valid1
+	 * ...
+	 * 0x80, SysClkReq8Valid1
+	 */
+	REG_INIT(AB9540_REGUSYSCLKREQVALID1,	0x03, 0x0f, 0xfe),
+	/*
+	 * 0x02, SysClkReq2Valid2
+	 * ...
+	 * 0x80, SysClkReq8Valid2
+	 */
+	REG_INIT(AB9540_REGUSYSCLKREQVALID2,	0x03, 0x10, 0xfe),
+	/*
+	 * 0x01, Vaux4SwHPReqValid
+	 * 0x02, Vaux4HwHPReq2Valid
+	 * 0x04, Vaux4HwHPReq1Valid
+	 * 0x08, Vaux4SysClkReq1HPValid
+	 */
+	REG_INIT(AB9540_REGUVAUX4REQVALID,	0x03, 0x11, 0x0f),
+	/*
+	 * 0x02, VTVoutEna
+	 * 0x04, Vintcore12Ena
+	 * 0x38, Vintcore12Sel
+	 * 0x40, Vintcore12LP
+	 * 0x80, VTVoutLP
+	 */
+	REG_INIT(AB9540_REGUMISC1,		0x03, 0x80, 0xfe),
+	/*
+	 * 0x02, VaudioEna
+	 * 0x04, VdmicEna
+	 * 0x08, Vamic1Ena
+	 * 0x10, Vamic2Ena
+	 */
+	REG_INIT(AB9540_VAUDIOSUPPLY,		0x03, 0x83, 0x1e),
+	/*
+	 * 0x01, Vamic1_dzout
+	 * 0x02, Vamic2_dzout
+	 */
+	REG_INIT(AB9540_REGUCTRL1VAMIC,		0x03, 0x84, 0x03),
+	/*
+	 * 0x03, Vsmps1Regu
+	 * 0x0c, Vsmps1SelCtrl
+	 * 0x10, Vsmps1AutoMode
+	 * 0x20, Vsmps1PWMMode
+	 */
+	REG_INIT(AB9540_VSMPS1REGU,		0x04, 0x03, 0x3f),
+	/*
+	 * 0x03, Vsmps2Regu
+	 * 0x0c, Vsmps2SelCtrl
+	 * 0x10, Vsmps2AutoMode
+	 * 0x20, Vsmps2PWMMode
+	 */
+	REG_INIT(AB9540_VSMPS2REGU,		0x04, 0x04, 0x3f),
+	/*
+	 * 0x03, Vsmps3Regu
+	 * 0x0c, Vsmps3SelCtrl
+	 * NOTE! PRCMU register
+	 */
+	REG_INIT(AB9540_VSMPS3REGU,		0x04, 0x05, 0x0f),
+	/*
+	 * 0x03, VpllRegu
+	 * 0x0c, VanaRegu
+	 */
+	REG_INIT(AB9540_VPLLVANAREGU,		0x04, 0x06, 0x0f),
+	/*
+	 * 0x03, VextSupply1Regu
+	 * 0x0c, VextSupply2Regu
+	 * 0x30, VextSupply3Regu
+	 * 0x40, ExtSupply2Bypass
+	 * 0x80, ExtSupply3Bypass
+	 */
+	REG_INIT(AB9540_EXTSUPPLYREGU,		0x04, 0x08, 0xff),
+	/*
+	 * 0x03, Vaux1Regu
+	 * 0x0c, Vaux2Regu
+	 */
+	REG_INIT(AB9540_VAUX12REGU,		0x04, 0x09, 0x0f),
+	/*
+	 * 0x0c, Vrf1Regu
+	 * 0x03, Vaux3Regu
+	 */
+	REG_INIT(AB9540_VRF1VAUX3REGU,		0x04, 0x0a, 0x0f),
+	/*
+	 * 0x3f, Vsmps1Sel1
+	 */
+	REG_INIT(AB9540_VSMPS1SEL1,		0x04, 0x13, 0x3f),
+	/*
+	 * 0x3f, Vsmps1Sel2
+	 */
+	REG_INIT(AB9540_VSMPS1SEL2,		0x04, 0x14, 0x3f),
+	/*
+	 * 0x3f, Vsmps1Sel3
+	 */
+	REG_INIT(AB9540_VSMPS1SEL3,		0x04, 0x15, 0x3f),
+	/*
+	 * 0x3f, Vsmps2Sel1
+	 */
+	REG_INIT(AB9540_VSMPS2SEL1,		0x04, 0x17, 0x3f),
+	/*
+	 * 0x3f, Vsmps2Sel2
+	 */
+	REG_INIT(AB9540_VSMPS2SEL2,		0x04, 0x18, 0x3f),
+	/*
+	 * 0x3f, Vsmps2Sel3
+	 */
+	REG_INIT(AB9540_VSMPS2SEL3,		0x04, 0x19, 0x3f),
+	/*
+	 * 0x7f, Vsmps3Sel1
+	 * NOTE! PRCMU register
+	 */
+	REG_INIT(AB9540_VSMPS3SEL1,             0x04, 0x1b, 0x7f),
+	/*
+	 * 0x7f, Vsmps3Sel2
+	 * NOTE! PRCMU register
+	 */
+	REG_INIT(AB9540_VSMPS3SEL2,             0x04, 0x1c, 0x7f),
+	/*
+	 * 0x0f, Vaux1Sel
+	 */
+	REG_INIT(AB9540_VAUX1SEL,		0x04, 0x1f, 0x0f),
+	/*
+	 * 0x0f, Vaux2Sel
+	 */
+	REG_INIT(AB9540_VAUX2SEL,		0x04, 0x20, 0x0f),
+	/*
+	 * 0x07, Vaux3Sel
+	 * 0x30, Vrf1Sel
+	 */
+	REG_INIT(AB9540_VRF1VAUX3SEL,		0x04, 0x21, 0x37),
+	/*
+	 * 0x01, VextSupply12LP
+	 */
+	REG_INIT(AB9540_REGUCTRL2SPARE,		0x04, 0x22, 0x01),
+	/*
+	 * 0x03, Vaux4RequestCtrl
+	 */
+	REG_INIT(AB9540_VAUX4REQCTRL,		0x04, 0x2d, 0x03),
+	/*
+	 * 0x03, Vaux4Regu
+	 */
+	REG_INIT(AB9540_VAUX4REGU,		0x04, 0x2e, 0x03),
+	/*
+	 * 0x08, Vaux4Sel
+	 */
+	REG_INIT(AB9540_VAUX4SEL,		0x04, 0x2f, 0x0f),
+	/*
+	 * 0x01, VpllDisch
+	 * 0x02, Vrf1Disch
+	 * 0x04, Vaux1Disch
+	 * 0x08, Vaux2Disch
+	 * 0x10, Vaux3Disch
+	 * 0x20, Vintcore12Disch
+	 * 0x40, VTVoutDisch
+	 * 0x80, VaudioDisch
+	 */
+	REG_INIT(AB9540_REGUCTRLDISCH,		0x04, 0x43, 0xff),
+	/*
+	 * 0x01, VsimDisch
+	 * 0x02, VanaDisch
+	 * 0x04, VdmicPullDownEna
+	 * 0x08, VpllPullDownEna
+	 * 0x10, VdmicDisch
+	 */
+	REG_INIT(AB9540_REGUCTRLDISCH2,		0x04, 0x44, 0x1f),
+	/*
+	 * 0x01, Vaux4Disch
+	 */
+	REG_INIT(AB9540_REGUCTRLDISCH3,		0x04, 0x48, 0x01),
+};
+
+/* AB8540 register init */
+static struct ab8500_reg_init ab8540_reg_init[] = {
+	/*
+	 * 0x01, VSimSycClkReq1Valid
+	 * 0x02, VSimSycClkReq2Valid
+	 * 0x04, VSimSycClkReq3Valid
+	 * 0x08, VSimSycClkReq4Valid
+	 * 0x10, VSimSycClkReq5Valid
+	 * 0x20, VSimSycClkReq6Valid
+	 * 0x40, VSimSycClkReq7Valid
+	 * 0x80, VSimSycClkReq8Valid
+	 */
+	REG_INIT(AB8540_VSIMSYSCLKCTRL,		0x02, 0x33, 0xff),
+	/*
+	 * 0x03, VarmRequestCtrl
+	 * 0x0c, VapeRequestCtrl
+	 * 0x30, Vsmps1RequestCtrl
+	 * 0xc0, Vsmps2RequestCtrl
+	 */
+	REG_INIT(AB8540_REGUREQUESTCTRL1,	0x03, 0x03, 0xff),
+	/*
+	 * 0x03, Vsmps3RequestCtrl
+	 * 0x0c, VpllRequestCtrl
+	 * 0x30, VanaRequestCtrl
+	 * 0xc0, VextSupply1RequestCtrl
+	 */
+	REG_INIT(AB8540_REGUREQUESTCTRL2,	0x03, 0x04, 0xff),
+	/*
+	 * 0x03, VextSupply2RequestCtrl
+	 * 0x0c, VextSupply3RequestCtrl
+	 * 0x30, Vaux1RequestCtrl
+	 * 0xc0, Vaux2RequestCtrl
+	 */
+	REG_INIT(AB8540_REGUREQUESTCTRL3,	0x03, 0x05, 0xff),
+	/*
+	 * 0x03, Vaux3RequestCtrl
+	 * 0x04, SwHPReq
+	 */
+	REG_INIT(AB8540_REGUREQUESTCTRL4,	0x03, 0x06, 0x07),
+	/*
+	 * 0x01, Vsmps1SysClkReq1HPValid
+	 * 0x02, Vsmps2SysClkReq1HPValid
+	 * 0x04, Vsmps3SysClkReq1HPValid
+	 * 0x08, VanaSysClkReq1HPValid
+	 * 0x10, VpllSysClkReq1HPValid
+	 * 0x20, Vaux1SysClkReq1HPValid
+	 * 0x40, Vaux2SysClkReq1HPValid
+	 * 0x80, Vaux3SysClkReq1HPValid
+	 */
+	REG_INIT(AB8540_REGUSYSCLKREQ1HPVALID1,	0x03, 0x07, 0xff),
+	/*
+	 * 0x01, VapeSysClkReq1HPValid
+	 * 0x02, VarmSysClkReq1HPValid
+	 * 0x04, VbbSysClkReq1HPValid
+	 * 0x10, VextSupply1SysClkReq1HPValid
+	 * 0x20, VextSupply2SysClkReq1HPValid
+	 * 0x40, VextSupply3SysClkReq1HPValid
+	 */
+	REG_INIT(AB8540_REGUSYSCLKREQ1HPVALID2,	0x03, 0x08, 0x77),
+	/*
+	 * 0x01, Vsmps1HwHPReq1Valid
+	 * 0x02, Vsmps2HwHPReq1Valid
+	 * 0x04, Vsmps3HwHPReq1Valid
+	 * 0x08, VanaHwHPReq1Valid
+	 * 0x10, VpllHwHPReq1Valid
+	 * 0x20, Vaux1HwHPReq1Valid
+	 * 0x40, Vaux2HwHPReq1Valid
+	 * 0x80, Vaux3HwHPReq1Valid
+	 */
+	REG_INIT(AB8540_REGUHWHPREQ1VALID1,	0x03, 0x09, 0xff),
+	/*
+	 * 0x01, VextSupply1HwHPReq1Valid
+	 * 0x02, VextSupply2HwHPReq1Valid
+	 * 0x04, VextSupply3HwHPReq1Valid
+	 */
+	REG_INIT(AB8540_REGUHWHPREQ1VALID2,	0x03, 0x0a, 0x07),
+	/*
+	 * 0x01, Vsmps1HwHPReq2Valid
+	 * 0x02, Vsmps2HwHPReq2Valid
+	 * 0x03, Vsmps3HwHPReq2Valid
+	 * 0x08, VanaHwHPReq2Valid
+	 * 0x10, VpllHwHPReq2Valid
+	 * 0x20, Vaux1HwHPReq2Valid
+	 * 0x40, Vaux2HwHPReq2Valid
+	 * 0x80, Vaux3HwHPReq2Valid
+	 */
+	REG_INIT(AB8540_REGUHWHPREQ2VALID1,	0x03, 0x0b, 0xff),
+	/*
+	 * 0x01, VextSupply1HwHPReq2Valid
+	 * 0x02, VextSupply2HwHPReq2Valid
+	 * 0x04, VextSupply3HwHPReq2Valid
+	 */
+	REG_INIT(AB8540_REGUHWHPREQ2VALID2,	0x03, 0x0c, 0x07),
+	/*
+	 * 0x01, VapeSwHPReqValid
+	 * 0x02, VarmSwHPReqValid
+	 * 0x04, Vsmps1SwHPReqValid
+	 * 0x08, Vsmps2SwHPReqValid
+	 * 0x10, Vsmps3SwHPReqValid
+	 * 0x20, VanaSwHPReqValid
+	 * 0x40, VpllSwHPReqValid
+	 * 0x80, Vaux1SwHPReqValid
+	 */
+	REG_INIT(AB8540_REGUSWHPREQVALID1,	0x03, 0x0d, 0xff),
+	/*
+	 * 0x01, Vaux2SwHPReqValid
+	 * 0x02, Vaux3SwHPReqValid
+	 * 0x04, VextSupply1SwHPReqValid
+	 * 0x08, VextSupply2SwHPReqValid
+	 * 0x10, VextSupply3SwHPReqValid
+	 */
+	REG_INIT(AB8540_REGUSWHPREQVALID2,	0x03, 0x0e, 0x1f),
+	/*
+	 * 0x02, SysClkReq2Valid1
+	 * ...
+	 * 0x80, SysClkReq8Valid1
+	 */
+	REG_INIT(AB8540_REGUSYSCLKREQVALID1,	0x03, 0x0f, 0xff),
+	/*
+	 * 0x02, SysClkReq2Valid2
+	 * ...
+	 * 0x80, SysClkReq8Valid2
+	 */
+	REG_INIT(AB8540_REGUSYSCLKREQVALID2,	0x03, 0x10, 0xff),
+	/*
+	 * 0x01, Vaux4SwHPReqValid
+	 * 0x02, Vaux4HwHPReq2Valid
+	 * 0x04, Vaux4HwHPReq1Valid
+	 * 0x08, Vaux4SysClkReq1HPValid
+	 */
+	REG_INIT(AB8540_REGUVAUX4REQVALID,	0x03, 0x11, 0x0f),
+	/*
+	 * 0x01, Vaux5SwHPReqValid
+	 * 0x02, Vaux5HwHPReq2Valid
+	 * 0x04, Vaux5HwHPReq1Valid
+	 * 0x08, Vaux5SysClkReq1HPValid
+	 */
+	REG_INIT(AB8540_REGUVAUX5REQVALID,	0x03, 0x12, 0x0f),
+	/*
+	 * 0x01, Vaux6SwHPReqValid
+	 * 0x02, Vaux6HwHPReq2Valid
+	 * 0x04, Vaux6HwHPReq1Valid
+	 * 0x08, Vaux6SysClkReq1HPValid
+	 */
+	REG_INIT(AB8540_REGUVAUX6REQVALID,	0x03, 0x13, 0x0f),
+	/*
+	 * 0x01, VclkbSwHPReqValid
+	 * 0x02, VclkbHwHPReq2Valid
+	 * 0x04, VclkbHwHPReq1Valid
+	 * 0x08, VclkbSysClkReq1HPValid
+	 */
+	REG_INIT(AB8540_REGUVCLKBREQVALID,	0x03, 0x14, 0x0f),
+	/*
+	 * 0x01, Vrf1SwHPReqValid
+	 * 0x02, Vrf1HwHPReq2Valid
+	 * 0x04, Vrf1HwHPReq1Valid
+	 * 0x08, Vrf1SysClkReq1HPValid
+	 */
+	REG_INIT(AB8540_REGUVRF1REQVALID,	0x03, 0x15, 0x0f),
+	/*
+	 * 0x02, VTVoutEna
+	 * 0x04, Vintcore12Ena
+	 * 0x38, Vintcore12Sel
+	 * 0x40, Vintcore12LP
+	 * 0x80, VTVoutLP
+	 */
+	REG_INIT(AB8540_REGUMISC1,		0x03, 0x80, 0xfe),
+	/*
+	 * 0x02, VaudioEna
+	 * 0x04, VdmicEna
+	 * 0x08, Vamic1Ena
+	 * 0x10, Vamic2Ena
+	 * 0x20, Vamic12LP
+	 * 0xC0, VdmicSel
+	 */
+	REG_INIT(AB8540_VAUDIOSUPPLY,		0x03, 0x83, 0xfe),
+	/*
+	 * 0x01, Vamic1_dzout
+	 * 0x02, Vamic2_dzout
+	 */
+	REG_INIT(AB8540_REGUCTRL1VAMIC,		0x03, 0x84, 0x03),
+	/*
+	 * 0x07, VHSICSel
+	 * 0x08, VHSICOffState
+	 * 0x10, VHSIEna
+	 * 0x20, VHSICLP
+	 */
+	REG_INIT(AB8540_VHSIC,			0x03, 0x87, 0x3f),
+	/*
+	 * 0x07, VSDIOSel
+	 * 0x08, VSDIOOffState
+	 * 0x10, VSDIOEna
+	 * 0x20, VSDIOLP
+	 */
+	REG_INIT(AB8540_VSDIO,			0x03, 0x88, 0x3f),
+	/*
+	 * 0x03, Vsmps1Regu
+	 * 0x0c, Vsmps1SelCtrl
+	 * 0x10, Vsmps1AutoMode
+	 * 0x20, Vsmps1PWMMode
+	 */
+	REG_INIT(AB8540_VSMPS1REGU,		0x04, 0x03, 0x3f),
+	/*
+	 * 0x03, Vsmps2Regu
+	 * 0x0c, Vsmps2SelCtrl
+	 * 0x10, Vsmps2AutoMode
+	 * 0x20, Vsmps2PWMMode
+	 */
+	REG_INIT(AB8540_VSMPS2REGU,		0x04, 0x04, 0x3f),
+	/*
+	 * 0x03, Vsmps3Regu
+	 * 0x0c, Vsmps3SelCtrl
+	 * 0x10, Vsmps3AutoMode
+	 * 0x20, Vsmps3PWMMode
+	 * NOTE! PRCMU register
+	 */
+	REG_INIT(AB8540_VSMPS3REGU,		0x04, 0x05, 0x0f),
+	/*
+	 * 0x03, VpllRegu
+	 * 0x0c, VanaRegu
+	 */
+	REG_INIT(AB8540_VPLLVANAREGU,		0x04, 0x06, 0x0f),
+	/*
+	 * 0x03, VextSupply1Regu
+	 * 0x0c, VextSupply2Regu
+	 * 0x30, VextSupply3Regu
+	 * 0x40, ExtSupply2Bypass
+	 * 0x80, ExtSupply3Bypass
+	 */
+	REG_INIT(AB8540_EXTSUPPLYREGU,		0x04, 0x08, 0xff),
+	/*
+	 * 0x03, Vaux1Regu
+	 * 0x0c, Vaux2Regu
+	 */
+	REG_INIT(AB8540_VAUX12REGU,		0x04, 0x09, 0x0f),
+	/*
+	 * 0x0c, VRF1Regu
+	 * 0x03, Vaux3Regu
+	 */
+	REG_INIT(AB8540_VRF1VAUX3REGU,		0x04, 0x0a, 0x0f),
+	/*
+	 * 0x3f, Vsmps1Sel1
+	 */
+	REG_INIT(AB8540_VSMPS1SEL1,		0x04, 0x13, 0x3f),
+	/*
+	 * 0x3f, Vsmps1Sel2
+	 */
+	REG_INIT(AB8540_VSMPS1SEL2,		0x04, 0x14, 0x3f),
+	/*
+	 * 0x3f, Vsmps1Sel3
+	 */
+	REG_INIT(AB8540_VSMPS1SEL3,		0x04, 0x15, 0x3f),
+	/*
+	 * 0x3f, Vsmps2Sel1
+	 */
+	REG_INIT(AB8540_VSMPS2SEL1,		0x04, 0x17, 0x3f),
+	/*
+	 * 0x3f, Vsmps2Sel2
+	 */
+	REG_INIT(AB8540_VSMPS2SEL2,		0x04, 0x18, 0x3f),
+	/*
+	 * 0x3f, Vsmps2Sel3
+	 */
+	REG_INIT(AB8540_VSMPS2SEL3,		0x04, 0x19, 0x3f),
+	/*
+	 * 0x7f, Vsmps3Sel1
+	 * NOTE! PRCMU register
+	 */
+	REG_INIT(AB8540_VSMPS3SEL1,             0x04, 0x1b, 0x7f),
+	/*
+	 * 0x7f, Vsmps3Sel2
+	 * NOTE! PRCMU register
+	 */
+	REG_INIT(AB8540_VSMPS3SEL2,             0x04, 0x1c, 0x7f),
+	/*
+	 * 0x0f, Vaux1Sel
+	 */
+	REG_INIT(AB8540_VAUX1SEL,		0x04, 0x1f, 0x0f),
+	/*
+	 * 0x0f, Vaux2Sel
+	 */
+	REG_INIT(AB8540_VAUX2SEL,		0x04, 0x20, 0x0f),
+	/*
+	 * 0x07, Vaux3Sel
+	 * 0x70, Vrf1Sel
+	 */
+	REG_INIT(AB8540_VRF1VAUX3SEL,		0x04, 0x21, 0x77),
+	/*
+	 * 0x01, VextSupply12LP
+	 */
+	REG_INIT(AB8540_REGUCTRL2SPARE,		0x04, 0x22, 0x01),
+	/*
+	 * 0x07, Vanasel
+	 * 0x30, Vpllsel
+	 */
+	REG_INIT(AB8540_VANAVPLLSEL,		0x04, 0x29, 0x37),
+	/*
+	 * 0x03, Vaux4RequestCtrl
+	 */
+	REG_INIT(AB8540_VAUX4REQCTRL,		0x04, 0x2d, 0x03),
+	/*
+	 * 0x03, Vaux4Regu
+	 */
+	REG_INIT(AB8540_VAUX4REGU,		0x04, 0x2e, 0x03),
+	/*
+	 * 0x0f, Vaux4Sel
+	 */
+	REG_INIT(AB8540_VAUX4SEL,		0x04, 0x2f, 0x0f),
+	/*
+	 * 0x03, Vaux5RequestCtrl
+	 */
+	REG_INIT(AB8540_VAUX5REQCTRL,		0x04, 0x31, 0x03),
+	/*
+	 * 0x03, Vaux5Regu
+	 */
+	REG_INIT(AB8540_VAUX5REGU,		0x04, 0x32, 0x03),
+	/*
+	 * 0x3f, Vaux5Sel
+	 */
+	REG_INIT(AB8540_VAUX5SEL,		0x04, 0x33, 0x3f),
+	/*
+	 * 0x03, Vaux6RequestCtrl
+	 */
+	REG_INIT(AB8540_VAUX6REQCTRL,		0x04, 0x34, 0x03),
+	/*
+	 * 0x03, Vaux6Regu
+	 */
+	REG_INIT(AB8540_VAUX6REGU,		0x04, 0x35, 0x03),
+	/*
+	 * 0x3f, Vaux6Sel
+	 */
+	REG_INIT(AB8540_VAUX6SEL,		0x04, 0x36, 0x3f),
+	/*
+	 * 0x03, VCLKBRequestCtrl
+	 */
+	REG_INIT(AB8540_VCLKBREQCTRL,		0x04, 0x37, 0x03),
+	/*
+	 * 0x03, VCLKBRegu
+	 */
+	REG_INIT(AB8540_VCLKBREGU,		0x04, 0x38, 0x03),
+	/*
+	 * 0x07, VCLKBSel
+	 */
+	REG_INIT(AB8540_VCLKBSEL,		0x04, 0x39, 0x07),
+	/*
+	 * 0x03, Vrf1RequestCtrl
+	 */
+	REG_INIT(AB8540_VRF1REQCTRL,		0x04, 0x3a, 0x03),
+	/*
+	 * 0x01, VpllDisch
+	 * 0x02, Vrf1Disch
+	 * 0x04, Vaux1Disch
+	 * 0x08, Vaux2Disch
+	 * 0x10, Vaux3Disch
+	 * 0x20, Vintcore12Disch
+	 * 0x40, VTVoutDisch
+	 * 0x80, VaudioDisch
+	 */
+	REG_INIT(AB8540_REGUCTRLDISCH,		0x04, 0x43, 0xff),
+	/*
+	 * 0x02, VanaDisch
+	 * 0x04, VdmicPullDownEna
+	 * 0x08, VpllPullDownEna
+	 * 0x10, VdmicDisch
+	 */
+	REG_INIT(AB8540_REGUCTRLDISCH2,		0x04, 0x44, 0x1e),
+	/*
+	 * 0x01, Vaux4Disch
+	 */
+	REG_INIT(AB8540_REGUCTRLDISCH3,		0x04, 0x48, 0x01),
+	/*
+	 * 0x01, Vaux5Disch
+	 * 0x02, Vaux6Disch
+	 * 0x04, VCLKBDisch
+	 */
+	REG_INIT(AB8540_REGUCTRLDISCH4,		0x04, 0x49, 0x07),
+};
+
+static struct of_regulator_match ab8500_regulator_match[] = {
+	{ .name	= "ab8500_ldo_aux1",    .driver_data = (void *) AB8500_LDO_AUX1, },
+	{ .name	= "ab8500_ldo_aux2",    .driver_data = (void *) AB8500_LDO_AUX2, },
+	{ .name	= "ab8500_ldo_aux3",    .driver_data = (void *) AB8500_LDO_AUX3, },
+	{ .name	= "ab8500_ldo_intcore", .driver_data = (void *) AB8500_LDO_INTCORE, },
+	{ .name	= "ab8500_ldo_tvout",   .driver_data = (void *) AB8500_LDO_TVOUT, },
+	{ .name = "ab8500_ldo_audio",   .driver_data = (void *) AB8500_LDO_AUDIO, },
+	{ .name	= "ab8500_ldo_anamic1", .driver_data = (void *) AB8500_LDO_ANAMIC1, },
+	{ .name	= "ab8500_ldo_amamic2", .driver_data = (void *) AB8500_LDO_ANAMIC2, },
+	{ .name	= "ab8500_ldo_dmic",    .driver_data = (void *) AB8500_LDO_DMIC, },
+	{ .name	= "ab8500_ldo_ana",     .driver_data = (void *) AB8500_LDO_ANA, },
+};
+
+static struct of_regulator_match ab8505_regulator_match[] = {
+	{ .name	= "ab8500_ldo_aux1",    .driver_data = (void *) AB8505_LDO_AUX1, },
+	{ .name	= "ab8500_ldo_aux2",    .driver_data = (void *) AB8505_LDO_AUX2, },
+	{ .name	= "ab8500_ldo_aux3",    .driver_data = (void *) AB8505_LDO_AUX3, },
+	{ .name	= "ab8500_ldo_aux4",    .driver_data = (void *) AB8505_LDO_AUX4, },
+	{ .name	= "ab8500_ldo_aux5",    .driver_data = (void *) AB8505_LDO_AUX5, },
+	{ .name	= "ab8500_ldo_aux6",    .driver_data = (void *) AB8505_LDO_AUX6, },
+	{ .name	= "ab8500_ldo_intcore", .driver_data = (void *) AB8505_LDO_INTCORE, },
+	{ .name	= "ab8500_ldo_adc",	.driver_data = (void *) AB8505_LDO_ADC, },
+	{ .name = "ab8500_ldo_audio",   .driver_data = (void *) AB8505_LDO_AUDIO, },
+	{ .name	= "ab8500_ldo_anamic1", .driver_data = (void *) AB8505_LDO_ANAMIC1, },
+	{ .name	= "ab8500_ldo_amamic2", .driver_data = (void *) AB8505_LDO_ANAMIC2, },
+	{ .name	= "ab8500_ldo_aux8",    .driver_data = (void *) AB8505_LDO_AUX8, },
+	{ .name	= "ab8500_ldo_ana",     .driver_data = (void *) AB8505_LDO_ANA, },
+};
+
+static struct of_regulator_match ab8540_regulator_match[] = {
+	{ .name	= "ab8500_ldo_aux1",    .driver_data = (void *) AB8540_LDO_AUX1, },
+	{ .name	= "ab8500_ldo_aux2",    .driver_data = (void *) AB8540_LDO_AUX2, },
+	{ .name	= "ab8500_ldo_aux3",    .driver_data = (void *) AB8540_LDO_AUX3, },
+	{ .name	= "ab8500_ldo_aux4",    .driver_data = (void *) AB8540_LDO_AUX4, },
+	{ .name	= "ab8500_ldo_aux5",    .driver_data = (void *) AB8540_LDO_AUX5, },
+	{ .name	= "ab8500_ldo_aux6",    .driver_data = (void *) AB8540_LDO_AUX6, },
+	{ .name	= "ab8500_ldo_intcore", .driver_data = (void *) AB8540_LDO_INTCORE, },
+	{ .name	= "ab8500_ldo_tvout",   .driver_data = (void *) AB8540_LDO_TVOUT, },
+	{ .name = "ab8500_ldo_audio",   .driver_data = (void *) AB8540_LDO_AUDIO, },
+	{ .name	= "ab8500_ldo_anamic1", .driver_data = (void *) AB8540_LDO_ANAMIC1, },
+	{ .name	= "ab8500_ldo_amamic2", .driver_data = (void *) AB8540_LDO_ANAMIC2, },
+	{ .name	= "ab8500_ldo_dmic",    .driver_data = (void *) AB8540_LDO_DMIC, },
+	{ .name	= "ab8500_ldo_ana",     .driver_data = (void *) AB8540_LDO_ANA, },
+	{ .name = "ab8500_ldo_sdio",    .driver_data = (void *) AB8540_LDO_SDIO, },
+};
+
+static struct of_regulator_match ab9540_regulator_match[] = {
+	{ .name	= "ab8500_ldo_aux1",    .driver_data = (void *) AB9540_LDO_AUX1, },
+	{ .name	= "ab8500_ldo_aux2",    .driver_data = (void *) AB9540_LDO_AUX2, },
+	{ .name	= "ab8500_ldo_aux3",    .driver_data = (void *) AB9540_LDO_AUX3, },
+	{ .name	= "ab8500_ldo_aux4",    .driver_data = (void *) AB9540_LDO_AUX4, },
+	{ .name	= "ab8500_ldo_intcore", .driver_data = (void *) AB9540_LDO_INTCORE, },
+	{ .name	= "ab8500_ldo_tvout",   .driver_data = (void *) AB9540_LDO_TVOUT, },
+	{ .name = "ab8500_ldo_audio",   .driver_data = (void *) AB9540_LDO_AUDIO, },
+	{ .name	= "ab8500_ldo_anamic1", .driver_data = (void *) AB9540_LDO_ANAMIC1, },
+	{ .name	= "ab8500_ldo_amamic2", .driver_data = (void *) AB9540_LDO_ANAMIC2, },
+	{ .name	= "ab8500_ldo_dmic",    .driver_data = (void *) AB9540_LDO_DMIC, },
+	{ .name	= "ab8500_ldo_ana",     .driver_data = (void *) AB9540_LDO_ANA, },
+};
+
+static struct {
+	struct ab8500_regulator_info *info;
+	int info_size;
+	struct ab8500_reg_init *init;
+	int init_size;
+	struct of_regulator_match *match;
+	int match_size;
+} abx500_regulator;
+
+static void abx500_get_regulator_info(struct ab8500 *ab8500)
+{
+	if (is_ab9540(ab8500)) {
+		abx500_regulator.info = ab9540_regulator_info;
+		abx500_regulator.info_size = ARRAY_SIZE(ab9540_regulator_info);
+		abx500_regulator.init = ab9540_reg_init;
+		abx500_regulator.init_size = AB9540_NUM_REGULATOR_REGISTERS;
+		abx500_regulator.match = ab9540_regulator_match;
+		abx500_regulator.match_size = ARRAY_SIZE(ab9540_regulator_match);
+	} else if (is_ab8505(ab8500)) {
+		abx500_regulator.info = ab8505_regulator_info;
+		abx500_regulator.info_size = ARRAY_SIZE(ab8505_regulator_info);
+		abx500_regulator.init = ab8505_reg_init;
+		abx500_regulator.init_size = AB8505_NUM_REGULATOR_REGISTERS;
+		abx500_regulator.match = ab8505_regulator_match;
+		abx500_regulator.match_size = ARRAY_SIZE(ab8505_regulator_match);
+	} else if (is_ab8540(ab8500)) {
+		abx500_regulator.info = ab8540_regulator_info;
+		abx500_regulator.info_size = ARRAY_SIZE(ab8540_regulator_info);
+		abx500_regulator.init = ab8540_reg_init;
+		abx500_regulator.init_size = AB8540_NUM_REGULATOR_REGISTERS;
+		abx500_regulator.match = ab8540_regulator_match;
+		abx500_regulator.match_size = ARRAY_SIZE(ab8540_regulator_match);
+	} else {
+		abx500_regulator.info = ab8500_regulator_info;
+		abx500_regulator.info_size = ARRAY_SIZE(ab8500_regulator_info);
+		abx500_regulator.init = ab8500_reg_init;
+		abx500_regulator.init_size = AB8500_NUM_REGULATOR_REGISTERS;
+		abx500_regulator.match = ab8500_regulator_match;
+		abx500_regulator.match_size = ARRAY_SIZE(ab8500_regulator_match);
+	}
+}
+
+static int ab8500_regulator_init_registers(struct platform_device *pdev,
+					   int id, int mask, int value)
 {
+	struct ab8500_reg_init *reg_init = abx500_regulator.init;
 	int err;
 
-	if (value & ~ab8500_reg_init[id].mask) {
-		dev_err(&pdev->dev,
-			"Configuration error: value outside mask.\n");
-		return -EINVAL;
-	}
+	BUG_ON(value & ~mask);
+	BUG_ON(mask & ~reg_init[id].mask);
 
+	/* initialize register */
 	err = abx500_mask_and_set_register_interruptible(
 		&pdev->dev,
-		ab8500_reg_init[id].bank,
-		ab8500_reg_init[id].addr,
-		ab8500_reg_init[id].mask,
-		value);
+		reg_init[id].bank,
+		reg_init[id].addr,
+		mask, value);
 	if (err < 0) {
 		dev_err(&pdev->dev,
 			"Failed to initialize 0x%02x, 0x%02x.\n",
-			ab8500_reg_init[id].bank,
-			ab8500_reg_init[id].addr);
+			reg_init[id].bank,
+			reg_init[id].addr);
 		return err;
 	}
-
 	dev_vdbg(&pdev->dev,
-		"init: 0x%02x, 0x%02x, 0x%02x, 0x%02x\n",
-		ab8500_reg_init[id].bank,
-		ab8500_reg_init[id].addr,
-		ab8500_reg_init[id].mask,
-		value);
+		 "  init: 0x%02x, 0x%02x, 0x%02x, 0x%02x\n",
+		 reg_init[id].bank,
+		 reg_init[id].addr,
+		 mask, value);
 
 	return 0;
 }
 
 static int ab8500_regulator_register(struct platform_device *pdev,
-					struct regulator_init_data *init_data,
-					int id,
-					struct device_node *np)
+				     struct regulator_init_data *init_data,
+				     int id, struct device_node *np)
 {
+	struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
 	struct ab8500_regulator_info *info = NULL;
 	struct regulator_config config = { };
 	int err;
 
 	/* assign per-regulator data */
-	info = &ab8500_regulator_info[id];
+	info = &abx500_regulator.info[id];
 	info->dev = &pdev->dev;
 
 	config.dev = &pdev->dev;
@@ -695,7 +3045,7 @@ static int ab8500_regulator_register(struct platform_device *pdev,
 	config.of_node = np;
 
 	/* fix for hardware before ab8500v2.0 */
-	if (abx500_get_chip_id(info->dev) < 0x20) {
+	if (is_ab8500_1p1_or_earlier(ab8500)) {
 		if (info->desc.id == AB8500_LDO_AUX3) {
 			info->desc.n_voltages =
 				ARRAY_SIZE(ldo_vauxn_voltages);
@@ -712,7 +3062,7 @@ static int ab8500_regulator_register(struct platform_device *pdev,
 			info->desc.name);
 		/* when we fail, un-register all earlier regulators */
 		while (--id >= 0) {
-			info = &ab8500_regulator_info[id];
+			info = &abx500_regulator.info[id];
 			regulator_unregister(info->regulator);
 		}
 		return err;
@@ -721,29 +3071,16 @@ static int ab8500_regulator_register(struct platform_device *pdev,
 	return 0;
 }
 
-static struct of_regulator_match ab8500_regulator_matches[] = {
-	{ .name	= "ab8500_ldo_aux1",    .driver_data = (void *) AB8500_LDO_AUX1, },
-	{ .name	= "ab8500_ldo_aux2",    .driver_data = (void *) AB8500_LDO_AUX2, },
-	{ .name	= "ab8500_ldo_aux3",    .driver_data = (void *) AB8500_LDO_AUX3, },
-	{ .name	= "ab8500_ldo_intcore", .driver_data = (void *) AB8500_LDO_INTCORE, },
-	{ .name	= "ab8500_ldo_tvout",   .driver_data = (void *) AB8500_LDO_TVOUT, },
-	{ .name = "ab8500_ldo_usb",     .driver_data = (void *) AB8500_LDO_USB, },
-	{ .name = "ab8500_ldo_audio",   .driver_data = (void *) AB8500_LDO_AUDIO, },
-	{ .name	= "ab8500_ldo_anamic1", .driver_data = (void *) AB8500_LDO_ANAMIC1, },
-	{ .name	= "ab8500_ldo_amamic2", .driver_data = (void *) AB8500_LDO_ANAMIC2, },
-	{ .name	= "ab8500_ldo_dmic",    .driver_data = (void *) AB8500_LDO_DMIC, },
-	{ .name	= "ab8500_ldo_ana",     .driver_data = (void *) AB8500_LDO_ANA, },
-};
-
 static int
-ab8500_regulator_of_probe(struct platform_device *pdev, struct device_node *np)
+ab8500_regulator_of_probe(struct platform_device *pdev,
+			  struct device_node *np)
 {
+	struct of_regulator_match *match = abx500_regulator.match;
 	int err, i;
 
-	for (i = 0; i < ARRAY_SIZE(ab8500_regulator_info); i++) {
+	for (i = 0; i < abx500_regulator.info_size; i++) {
 		err = ab8500_regulator_register(
-			pdev, ab8500_regulator_matches[i].init_data,
-			i, ab8500_regulator_matches[i].of_node);
+			pdev, match[i].init_data, i, match[i].of_node);
 		if (err)
 			return err;
 	}
@@ -754,14 +3091,22 @@ ab8500_regulator_of_probe(struct platform_device *pdev, struct device_node *np)
 static int ab8500_regulator_probe(struct platform_device *pdev)
 {
 	struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
-	struct ab8500_platform_data *pdata;
 	struct device_node *np = pdev->dev.of_node;
+	struct ab8500_platform_data *ppdata;
+	struct ab8500_regulator_platform_data *pdata;
 	int i, err;
 
+	if (!ab8500) {
+		dev_err(&pdev->dev, "null mfd parent\n");
+		return -EINVAL;
+	}
+
+	abx500_get_regulator_info(ab8500);
+
 	if (np) {
 		err = of_regulator_match(&pdev->dev, np,
-					ab8500_regulator_matches,
-					ARRAY_SIZE(ab8500_regulator_matches));
+					 abx500_regulator.match,
+					 abx500_regulator.match_size);
 		if (err < 0) {
 			dev_err(&pdev->dev,
 				"Error parsing regulator init data: %d\n", err);
@@ -772,46 +3117,61 @@ static int ab8500_regulator_probe(struct platform_device *pdev)
 		return err;
 	}
 
-	if (!ab8500) {
-		dev_err(&pdev->dev, "null mfd parent\n");
+	ppdata = dev_get_platdata(ab8500->dev);
+	if (!ppdata) {
+		dev_err(&pdev->dev, "null parent pdata\n");
 		return -EINVAL;
 	}
-	pdata = dev_get_platdata(ab8500->dev);
+
+	pdata = ppdata->regulator;
 	if (!pdata) {
 		dev_err(&pdev->dev, "null pdata\n");
 		return -EINVAL;
 	}
 
 	/* make sure the platform data has the correct size */
-	if (pdata->num_regulator != ARRAY_SIZE(ab8500_regulator_info)) {
+	if (pdata->num_regulator != abx500_regulator.info_size) {
 		dev_err(&pdev->dev, "Configuration error: size mismatch.\n");
 		return -EINVAL;
 	}
 
+	/* initialize debug (initial state is recorded with this call) */
+	err = ab8500_regulator_debug_init(pdev);
+	if (err)
+		return err;
+
 	/* initialize registers */
-	for (i = 0; i < pdata->num_regulator_reg_init; i++) {
-		int id, value;
+	for (i = 0; i < pdata->num_reg_init; i++) {
+		int id, mask, value;
 
-		id = pdata->regulator_reg_init[i].id;
-		value = pdata->regulator_reg_init[i].value;
+		id = pdata->reg_init[i].id;
+		mask = pdata->reg_init[i].mask;
+		value = pdata->reg_init[i].value;
 
 		/* check for configuration errors */
-		if (id >= AB8500_NUM_REGULATOR_REGISTERS) {
-			dev_err(&pdev->dev,
-				"Configuration error: id outside range.\n");
-			return -EINVAL;
-		}
+		BUG_ON(id >= abx500_regulator.init_size);
 
-		err = ab8500_regulator_init_registers(pdev, id, value);
+		err = ab8500_regulator_init_registers(pdev, id, mask, value);
 		if (err < 0)
 			return err;
 	}
 
+	if (!is_ab8505(ab8500)) {
+		/* register external regulators (before Vaux1, 2 and 3) */
+		err = ab8500_ext_regulator_init(pdev);
+		if (err)
+			return err;
+	}
+
 	/* register all regulators */
-	for (i = 0; i < ARRAY_SIZE(ab8500_regulator_info); i++) {
-		err = ab8500_regulator_register(pdev, &pdata->regulator[i], i, NULL);
-		if (err < 0)
+	for (i = 0; i < abx500_regulator.info_size; i++) {
+		err = ab8500_regulator_register(pdev, &pdata->regulator[i],
+						i, NULL);
+		if (err < 0) {
+			if (!is_ab8505(ab8500))
+				ab8500_ext_regulator_exit(pdev);
 			return err;
+		}
 	}
 
 	return 0;
@@ -819,11 +3179,12 @@ static int ab8500_regulator_probe(struct platform_device *pdev)
 
 static int ab8500_regulator_remove(struct platform_device *pdev)
 {
-	int i;
+	int i, err;
+	struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
 
-	for (i = 0; i < ARRAY_SIZE(ab8500_regulator_info); i++) {
+	for (i = 0; i < abx500_regulator.info_size; i++) {
 		struct ab8500_regulator_info *info = NULL;
-		info = &ab8500_regulator_info[i];
+		info = &abx500_regulator.info[i];
 
 		dev_vdbg(rdev_get_dev(info->regulator),
 			"%s-remove\n", info->desc.name);
@@ -831,6 +3192,15 @@ static int ab8500_regulator_remove(struct platform_device *pdev)
 		regulator_unregister(info->regulator);
 	}
 
+	/* remove external regulators (after Vaux1, 2 and 3) */
+	if (!is_ab8505(ab8500))
+		ab8500_ext_regulator_exit(pdev);
+
+	/* remove regulator debug */
+	err = ab8500_regulator_debug_exit(pdev);
+	if (err)
+		return err;
+
 	return 0;
 }
 
@@ -863,5 +3233,7 @@ module_exit(ab8500_regulator_exit);
 
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Sundar Iyer <sundar.iyer@stericsson.com>");
+MODULE_AUTHOR("Bengt Jonsson <bengt.g.jonsson@stericsson.com>");
+MODULE_AUTHOR("Daniel Willerud <daniel.willerud@stericsson.com>");
 MODULE_DESCRIPTION("Regulator Driver for ST-Ericsson AB8500 Mixed-Sig PMIC");
 MODULE_ALIAS("platform:ab8500-regulator");
diff --git a/drivers/regulator/arizona-ldo1.c b/drivers/regulator/arizona-ldo1.c
index ed7beec53af8..81d8681c3195 100644
--- a/drivers/regulator/arizona-ldo1.c
+++ b/drivers/regulator/arizona-ldo1.c
@@ -131,7 +131,7 @@ static const struct regulator_desc arizona_ldo1_hc = {
 	.min_uV = 900000,
 	.uV_step = 50000,
 	.n_voltages = 8,
-	.enable_time = 500,
+	.enable_time = 1500,
 
 	.owner = THIS_MODULE,
 };
diff --git a/drivers/regulator/as3711-regulator.c b/drivers/regulator/as3711-regulator.c
index f0ba8c4eefa9..3da6bd6950cf 100644
--- a/drivers/regulator/as3711-regulator.c
+++ b/drivers/regulator/as3711-regulator.c
@@ -13,9 +13,11 @@
 #include <linux/init.h>
 #include <linux/mfd/as3711.h>
 #include <linux/module.h>
+#include <linux/of.h>
 #include <linux/platform_device.h>
 #include <linux/regmap.h>
 #include <linux/regulator/driver.h>
+#include <linux/regulator/of_regulator.h>
 #include <linux/slab.h>
 
 struct as3711_regulator_info {
@@ -276,6 +278,53 @@ static struct as3711_regulator_info as3711_reg_info[] = {
 
 #define AS3711_REGULATOR_NUM ARRAY_SIZE(as3711_reg_info)
 
+static struct of_regulator_match
+as3711_regulator_matches[AS3711_REGULATOR_NUM] = {
+	[AS3711_REGULATOR_SD_1] = { .name = "sd1" },
+	[AS3711_REGULATOR_SD_2] = { .name = "sd2" },
+	[AS3711_REGULATOR_SD_3] = { .name = "sd3" },
+	[AS3711_REGULATOR_SD_4] = { .name = "sd4" },
+	[AS3711_REGULATOR_LDO_1] = { .name = "ldo1" },
+	[AS3711_REGULATOR_LDO_2] = { .name = "ldo2" },
+	[AS3711_REGULATOR_LDO_3] = { .name = "ldo3" },
+	[AS3711_REGULATOR_LDO_4] = { .name = "ldo4" },
+	[AS3711_REGULATOR_LDO_5] = { .name = "ldo5" },
+	[AS3711_REGULATOR_LDO_6] = { .name = "ldo6" },
+	[AS3711_REGULATOR_LDO_7] = { .name = "ldo7" },
+	[AS3711_REGULATOR_LDO_8] = { .name = "ldo8" },
+};
+
+static int as3711_regulator_parse_dt(struct device *dev,
+				struct device_node **of_node, const int count)
+{
+	struct as3711_regulator_pdata *pdata = dev_get_platdata(dev);
+	struct device_node *regulators =
+		of_find_node_by_name(dev->parent->of_node, "regulators");
+	struct of_regulator_match *match;
+	int ret, i;
+
+	if (!regulators) {
+		dev_err(dev, "regulator node not found\n");
+		return -ENODEV;
+	}
+
+	ret = of_regulator_match(dev->parent, regulators,
+				 as3711_regulator_matches, count);
+	of_node_put(regulators);
+	if (ret < 0) {
+		dev_err(dev, "Error parsing regulator init data: %d\n", ret);
+		return ret;
+	}
+
+	for (i = 0, match = as3711_regulator_matches; i < count; i++, match++)
+		if (match->of_node) {
+			pdata->init_data[i] = match->init_data;
+			of_node[i] = match->of_node;
+		}
+
+	return 0;
+}
+
 static int as3711_regulator_probe(struct platform_device *pdev)
 {
 	struct as3711_regulator_pdata *pdata = dev_get_platdata(&pdev->dev);
@@ -284,13 +333,24 @@ static int as3711_regulator_probe(struct platform_device *pdev)
 	struct regulator_config config = {.dev = &pdev->dev,};
 	struct as3711_regulator *reg = NULL;
 	struct as3711_regulator *regs;
+	struct device_node *of_node[AS3711_REGULATOR_NUM] = {};
 	struct regulator_dev *rdev;
 	struct as3711_regulator_info *ri;
 	int ret;
 	int id;
 
-	if (!pdata)
-		dev_dbg(&pdev->dev, "No platform data...\n");
+	if (!pdata) {
+		dev_err(&pdev->dev, "No platform data...\n");
+		return -ENODEV;
+	}
+
+	if (pdev->dev.parent->of_node) {
+		ret = as3711_regulator_parse_dt(&pdev->dev, of_node, AS3711_REGULATOR_NUM);
+		if (ret < 0) {
+			dev_err(&pdev->dev, "DT parsing failed: %d\n", ret);
+			return ret;
+		}
+	}
 
 	regs = devm_kzalloc(&pdev->dev, AS3711_REGULATOR_NUM *
 			sizeof(struct as3711_regulator), GFP_KERNEL);
@@ -300,7 +360,7 @@ static int as3711_regulator_probe(struct platform_device *pdev)
 	}
 
 	for (id = 0, ri = as3711_reg_info; id < AS3711_REGULATOR_NUM; ++id, ri++) {
-		reg_data = pdata ? pdata->init_data[id] : NULL;
+		reg_data = pdata->init_data[id];
 
 		/* No need to register if there is no regulator data */
 		if (!reg_data)
@@ -312,6 +372,7 @@ static int as3711_regulator_probe(struct platform_device *pdev)
 		config.init_data = reg_data;
 		config.driver_data = reg;
 		config.regmap = as3711->regmap;
+		config.of_node = of_node[id];
 
 		rdev = regulator_register(&ri->desc, &config);
 		if (IS_ERR(rdev)) {
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index da9782bd27d0..6e5017841582 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -51,6 +51,7 @@
 static DEFINE_MUTEX(regulator_list_mutex);
 static LIST_HEAD(regulator_list);
 static LIST_HEAD(regulator_map_list);
+static LIST_HEAD(regulator_ena_gpio_list);
 static bool has_full_constraints;
 static bool board_wants_dummy_regulator;
 
@@ -69,6 +70,19 @@ struct regulator_map {
 };
 
 /*
+ * struct regulator_enable_gpio
+ *
+ * Management for shared enable GPIO pin
+ */
+struct regulator_enable_gpio {
+	struct list_head list;
+	int gpio;
+	u32 enable_count;	/* a number of enabled shared GPIO */
+	u32 request_count;	/* a number of requested shared GPIO */
+	unsigned int ena_gpio_invert:1;
+};
+
+/*
  * struct regulator
  *
  * One for each consumer device.
@@ -116,7 +130,7 @@ static const char *rdev_get_name(struct regulator_dev *rdev)
  * @supply: regulator supply name
  *
  * Extract the regulator device node corresponding to the supply name.
- * retruns the device node corresponding to the regulator if found, else
+ * returns the device node corresponding to the regulator if found, else
  * returns NULL.
  */
 static struct device_node *of_get_regulator(struct device *dev, const char *supply)
@@ -1229,7 +1243,7 @@ static struct regulator *_regulator_get(struct device *dev, const char *id,
 	struct regulator_dev *rdev;
 	struct regulator *regulator = ERR_PTR(-EPROBE_DEFER);
 	const char *devname = NULL;
-	int ret;
+	int ret = 0;
 
 	if (id == NULL) {
 		pr_err("get() with no identifier\n");
@@ -1245,6 +1259,15 @@ static struct regulator *_regulator_get(struct device *dev, const char *id,
 	if (rdev)
 		goto found;
 
+	/*
+	 * If we have return value from dev_lookup fail, we do not expect to
+	 * succeed, so, quit with appropriate error value
+	 */
+	if (ret) {
+		regulator = ERR_PTR(ret);
+		goto out;
+	}
+
 	if (board_wants_dummy_regulator) {
 		rdev = dummy_regulator_rdev;
 		goto found;
@@ -1456,6 +1479,101 @@ void devm_regulator_put(struct regulator *regulator)
 }
 EXPORT_SYMBOL_GPL(devm_regulator_put);
 
+/* Manage enable GPIO list. Same GPIO pin can be shared among regulators */
+static int regulator_ena_gpio_request(struct regulator_dev *rdev,
+				const struct regulator_config *config)
+{
+	struct regulator_enable_gpio *pin;
+	int ret;
+
+	list_for_each_entry(pin, &regulator_ena_gpio_list, list) {
+		if (pin->gpio == config->ena_gpio) {
+			rdev_dbg(rdev, "GPIO %d is already used\n",
+				config->ena_gpio);
+			goto update_ena_gpio_to_rdev;
+		}
+	}
+
+	ret = gpio_request_one(config->ena_gpio,
+				GPIOF_DIR_OUT | config->ena_gpio_flags,
+				rdev_get_name(rdev));
+	if (ret)
+		return ret;
+
+	pin = kzalloc(sizeof(struct regulator_enable_gpio), GFP_KERNEL);
+	if (pin == NULL) {
+		gpio_free(config->ena_gpio);
+		return -ENOMEM;
+	}
+
+	pin->gpio = config->ena_gpio;
+	pin->ena_gpio_invert = config->ena_gpio_invert;
+	list_add(&pin->list, &regulator_ena_gpio_list);
+
+update_ena_gpio_to_rdev:
+	pin->request_count++;
+	rdev->ena_pin = pin;
+	return 0;
+}
+
+static void regulator_ena_gpio_free(struct regulator_dev *rdev)
+{
+	struct regulator_enable_gpio *pin, *n;
+
+	if (!rdev->ena_pin)
+		return;
+
+	/* Free the GPIO only in case of no use */
+	list_for_each_entry_safe(pin, n, &regulator_ena_gpio_list, list) {
+		if (pin->gpio == rdev->ena_pin->gpio) {
+			if (pin->request_count <= 1) {
+				pin->request_count = 0;
+				gpio_free(pin->gpio);
+				list_del(&pin->list);
+				kfree(pin);
+			} else {
+				pin->request_count--;
+			}
+		}
+	}
+}
+
+/**
+ * Balance enable_count of each GPIO and actual GPIO pin control.
+ * GPIO is enabled in case of initial use. (enable_count is 0)
+ * GPIO is disabled when it is not shared any more. (enable_count <= 1)
+ */
+static int regulator_ena_gpio_ctrl(struct regulator_dev *rdev, bool enable)
+{
+	struct regulator_enable_gpio *pin = rdev->ena_pin;
+
+	if (!pin)
+		return -EINVAL;
+
+	if (enable) {
+		/* Enable GPIO at initial use */
+		if (pin->enable_count == 0)
+			gpio_set_value_cansleep(pin->gpio,
+						!pin->ena_gpio_invert);
+
+		pin->enable_count++;
+	} else {
+		if (pin->enable_count > 1) {
+			pin->enable_count--;
+			return 0;
+		}
+
+		/* Disable GPIO if not used */
+		if (pin->enable_count <= 1) {
+			gpio_set_value_cansleep(pin->gpio,
+						pin->ena_gpio_invert);
+			pin->enable_count = 0;
+		}
+	}
+
+	return 0;
+}
+
 static int _regulator_do_enable(struct regulator_dev *rdev)
 {
 	int ret, delay;
@@ -1471,9 +1589,10 @@ static int _regulator_do_enable(struct regulator_dev *rdev)
 
 	trace_regulator_enable(rdev_get_name(rdev));
 
-	if (rdev->ena_gpio) {
-		gpio_set_value_cansleep(rdev->ena_gpio,
-					!rdev->ena_gpio_invert);
+	if (rdev->ena_pin) {
+		ret = regulator_ena_gpio_ctrl(rdev, true);
+		if (ret < 0)
+			return ret;
 		rdev->ena_gpio_state = 1;
 	} else if (rdev->desc->ops->enable) {
 		ret = rdev->desc->ops->enable(rdev);
@@ -1575,9 +1694,10 @@ static int _regulator_do_disable(struct regulator_dev *rdev)
 
 	trace_regulator_disable(rdev_get_name(rdev));
 
-	if (rdev->ena_gpio) {
-		gpio_set_value_cansleep(rdev->ena_gpio,
-					rdev->ena_gpio_invert);
+	if (rdev->ena_pin) {
+		ret = regulator_ena_gpio_ctrl(rdev, false);
+		if (ret < 0)
+			return ret;
 		rdev->ena_gpio_state = 0;
 
 	} else if (rdev->desc->ops->disable) {
@@ -1794,7 +1914,10 @@ int regulator_is_enabled_regmap(struct regulator_dev *rdev)
 	if (ret != 0)
 		return ret;
 
-	return (val & rdev->desc->enable_mask) != 0;
+	if (rdev->desc->enable_is_inverted)
+		return (val & rdev->desc->enable_mask) == 0;
+	else
+		return (val & rdev->desc->enable_mask) != 0;
 }
 EXPORT_SYMBOL_GPL(regulator_is_enabled_regmap);
 
@@ -1809,9 +1932,15 @@ EXPORT_SYMBOL_GPL(regulator_is_enabled_regmap);
  */
 int regulator_enable_regmap(struct regulator_dev *rdev)
 {
+	unsigned int val;
+
+	if (rdev->desc->enable_is_inverted)
+		val = 0;
+	else
+		val = rdev->desc->enable_mask;
+
 	return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
-				  rdev->desc->enable_mask,
-				  rdev->desc->enable_mask);
+				  rdev->desc->enable_mask, val);
 }
 EXPORT_SYMBOL_GPL(regulator_enable_regmap);
 
@@ -1826,15 +1955,22 @@ EXPORT_SYMBOL_GPL(regulator_enable_regmap);
  */
 int regulator_disable_regmap(struct regulator_dev *rdev)
 {
+	unsigned int val;
+
+	if (rdev->desc->enable_is_inverted)
+		val = rdev->desc->enable_mask;
+	else
+		val = 0;
+
 	return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
-				  rdev->desc->enable_mask, 0);
+				  rdev->desc->enable_mask, val);
 }
 EXPORT_SYMBOL_GPL(regulator_disable_regmap);
 
 static int _regulator_is_enabled(struct regulator_dev *rdev)
 {
 	/* A GPIO control always takes precedence */
-	if (rdev->ena_gpio)
+	if (rdev->ena_pin)
 		return rdev->ena_gpio_state;
 
 	/* If we don't know then assume that the regulator is always on */
@@ -2138,6 +2274,37 @@ int regulator_map_voltage_iterate(struct regulator_dev *rdev,
 EXPORT_SYMBOL_GPL(regulator_map_voltage_iterate);
 
 /**
+ * regulator_map_voltage_ascend - map_voltage() for ascendant voltage list
+ *
+ * @rdev: Regulator to operate on
+ * @min_uV: Lower bound for voltage
+ * @max_uV: Upper bound for voltage
+ *
+ * Drivers that have ascendant voltage list can use this as their
+ * map_voltage() operation.
+ */
+int regulator_map_voltage_ascend(struct regulator_dev *rdev,
+				 int min_uV, int max_uV)
+{
+	int i, ret;
+
+	for (i = 0; i < rdev->desc->n_voltages; i++) {
+		ret = rdev->desc->ops->list_voltage(rdev, i);
+		if (ret < 0)
+			continue;
+
+		if (ret > max_uV)
+			break;
+
+		if (ret >= min_uV && ret <= max_uV)
+			return i;
+	}
+
+	return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(regulator_map_voltage_ascend);
+
+/**
  * regulator_map_voltage_linear - map_voltage() for simple linear mappings
  *
  * @rdev: Regulator to operate on
@@ -2830,7 +2997,7 @@ EXPORT_SYMBOL_GPL(regulator_get_bypass_regmap);
  * regulator_allow_bypass - allow the regulator to go into bypass mode
  *
  * @regulator: Regulator to configure
- * @allow: enable or disable bypass mode
+ * @enable: enable or disable bypass mode
  *
  * Allow the regulator to go into bypass mode if all other consumers
  * for the regulator also enable bypass mode and the machine
@@ -3057,9 +3224,13 @@ int regulator_bulk_enable(int num_consumers,
 	return 0;
 
 err:
-	pr_err("Failed to enable %s: %d\n", consumers[i].supply, ret);
-	while (--i >= 0)
-		regulator_disable(consumers[i].consumer);
+	for (i = 0; i < num_consumers; i++) {
+		if (consumers[i].ret < 0)
+			pr_err("Failed to enable %s: %d\n", consumers[i].supply,
+			       consumers[i].ret);
+		else
+			regulator_disable(consumers[i].consumer);
+	}
 
 	return ret;
 }
@@ -3233,7 +3404,7 @@ static int add_regulator_attributes(struct regulator_dev *rdev)
 		if (status < 0)
 			return status;
 	}
-	if (rdev->ena_gpio || ops->is_enabled) {
+	if (rdev->ena_pin || ops->is_enabled) {
 		status = device_create_file(dev, &dev_attr_state);
 		if (status < 0)
 			return status;
@@ -3435,22 +3606,17 @@ regulator_register(const struct regulator_desc *regulator_desc,
 	dev_set_drvdata(&rdev->dev, rdev);
 
 	if (config->ena_gpio && gpio_is_valid(config->ena_gpio)) {
-		ret = gpio_request_one(config->ena_gpio,
-				       GPIOF_DIR_OUT | config->ena_gpio_flags,
-				       rdev_get_name(rdev));
+		ret = regulator_ena_gpio_request(rdev, config);
 		if (ret != 0) {
 			rdev_err(rdev, "Failed to request enable GPIO%d: %d\n",
 				 config->ena_gpio, ret);
 			goto wash;
 		}
 
-		rdev->ena_gpio = config->ena_gpio;
-		rdev->ena_gpio_invert = config->ena_gpio_invert;
-
 		if (config->ena_gpio_flags & GPIOF_OUT_INIT_HIGH)
 			rdev->ena_gpio_state = 1;
 
-		if (rdev->ena_gpio_invert)
+		if (config->ena_gpio_invert)
 			rdev->ena_gpio_state = !rdev->ena_gpio_state;
 	}
 
@@ -3477,7 +3643,14 @@ regulator_register(const struct regulator_desc *regulator_desc,
 
 		r = regulator_dev_lookup(dev, supply, &ret);
 
-		if (!r) {
+		if (ret == -ENODEV) {
+			/*
+			 * No supply was specified for this regulator and
+			 * there will never be one.
+			 */
+			ret = 0;
+			goto add_dev;
+		} else if (!r) {
 			dev_err(dev, "Failed to find supply %s\n", supply);
 			ret = -EPROBE_DEFER;
 			goto scrub;
@@ -3495,6 +3668,7 @@ regulator_register(const struct regulator_desc *regulator_desc,
 		}
 	}
 
+add_dev:
 	/* add consumers devices */
 	if (init_data) {
 		for (i = 0; i < init_data->num_consumer_supplies; i++) {
@@ -3522,8 +3696,7 @@ unset_supplies:
 scrub:
 	if (rdev->supply)
 		_regulator_put(rdev->supply);
-	if (rdev->ena_gpio)
-		gpio_free(rdev->ena_gpio);
+	regulator_ena_gpio_free(rdev);
 	kfree(rdev->constraints);
 wash:
 	device_unregister(&rdev->dev);
@@ -3558,8 +3731,7 @@ void regulator_unregister(struct regulator_dev *rdev)
 	unset_regulator_supplies(rdev);
 	list_del(&rdev->list);
 	kfree(rdev->constraints);
-	if (rdev->ena_gpio)
-		gpio_free(rdev->ena_gpio);
+	regulator_ena_gpio_free(rdev);
 	device_unregister(&rdev->dev);
 	mutex_unlock(&regulator_list_mutex);
 }
diff --git a/drivers/regulator/db8500-prcmu.c b/drivers/regulator/db8500-prcmu.c
index 219d162b651e..a53c11a529d5 100644
--- a/drivers/regulator/db8500-prcmu.c
+++ b/drivers/regulator/db8500-prcmu.c
@@ -528,7 +528,7 @@ static int db8500_regulator_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int __exit db8500_regulator_remove(struct platform_device *pdev)
+static int db8500_regulator_remove(struct platform_device *pdev)
 {
 	int i;
 
@@ -553,7 +553,7 @@ static struct platform_driver db8500_regulator_driver = {
 		.owner = THIS_MODULE,
 	},
 	.probe = db8500_regulator_probe,
-	.remove = __exit_p(db8500_regulator_remove),
+	.remove = db8500_regulator_remove,
 };
 
 static int __init db8500_regulator_init(void)
diff --git a/drivers/regulator/dbx500-prcmu.h b/drivers/regulator/dbx500-prcmu.h
index e763883a44f4..c8e51ace9f06 100644
--- a/drivers/regulator/dbx500-prcmu.h
+++ b/drivers/regulator/dbx500-prcmu.h
@@ -21,7 +21,6 @@
  * @is_enabled: status of the regulator
  * @epod_id: id for EPOD (power domain)
  * @is_ramret: RAM retention switch for EPOD (power domain)
- * @operating_point: operating point (only for vape, to be removed)
  *
  */
 struct dbx500_regulator_info {
@@ -32,7 +31,6 @@ struct dbx500_regulator_info {
 	u16 epod_id;
 	bool is_ramret;
 	bool exclude_from_power_state;
-	unsigned int operating_point;
 };
 
 void power_state_active_enable(void);
diff --git a/drivers/regulator/fan53555.c b/drivers/regulator/fan53555.c
index 9165b0c40ed3..f0e1ae52bb05 100644
--- a/drivers/regulator/fan53555.c
+++ b/drivers/regulator/fan53555.c
@@ -219,9 +219,7 @@ static int fan53555_regulator_register(struct fan53555_device_info *di,
 	rdesc->owner = THIS_MODULE;
 
 	di->rdev = regulator_register(&di->desc, config);
-	if (IS_ERR(di->rdev))
-		return PTR_ERR(di->rdev);
-	return 0;
+	return PTR_RET(di->rdev);
 
 }
 
diff --git a/drivers/regulator/lp3971.c b/drivers/regulator/lp3971.c
index 9cb2c0f34515..d8af9e773310 100644
--- a/drivers/regulator/lp3971.c
+++ b/drivers/regulator/lp3971.c
@@ -163,6 +163,7 @@ static int lp3971_ldo_set_voltage_sel(struct regulator_dev *dev,
 
 static struct regulator_ops lp3971_ldo_ops = {
 	.list_voltage = regulator_list_voltage_table,
+	.map_voltage = regulator_map_voltage_ascend,
 	.is_enabled = lp3971_ldo_is_enabled,
 	.enable = lp3971_ldo_enable,
 	.disable = lp3971_ldo_disable,
@@ -236,6 +237,7 @@ static int lp3971_dcdc_set_voltage_sel(struct regulator_dev *dev,
 
 static struct regulator_ops lp3971_dcdc_ops = {
 	.list_voltage = regulator_list_voltage_table,
+	.map_voltage = regulator_map_voltage_ascend,
 	.is_enabled = lp3971_dcdc_is_enabled,
 	.enable = lp3971_dcdc_enable,
 	.disable = lp3971_dcdc_disable,
diff --git a/drivers/regulator/lp3972.c b/drivers/regulator/lp3972.c
index 0baabcfb578a..61e4cf9edf6e 100644
--- a/drivers/regulator/lp3972.c
+++ b/drivers/regulator/lp3972.c
@@ -309,6 +309,7 @@ static int lp3972_ldo_set_voltage_sel(struct regulator_dev *dev,
 
 static struct regulator_ops lp3972_ldo_ops = {
 	.list_voltage = regulator_list_voltage_table,
+	.map_voltage = regulator_map_voltage_ascend,
 	.is_enabled = lp3972_ldo_is_enabled,
 	.enable = lp3972_ldo_enable,
 	.disable = lp3972_ldo_disable,
@@ -389,6 +390,7 @@ static int lp3972_dcdc_set_voltage_sel(struct regulator_dev *dev,
 
 static struct regulator_ops lp3972_dcdc_ops = {
 	.list_voltage = regulator_list_voltage_table,
+	.map_voltage = regulator_map_voltage_ascend,
 	.is_enabled = lp3972_dcdc_is_enabled,
 	.enable = lp3972_dcdc_enable,
 	.disable = lp3972_dcdc_disable,
diff --git a/drivers/regulator/lp872x.c b/drivers/regulator/lp872x.c
index 8e3c7ae0047f..f5fc4a142cdf 100644
--- a/drivers/regulator/lp872x.c
+++ b/drivers/regulator/lp872x.c
@@ -478,6 +478,7 @@ static unsigned int lp872x_buck_get_mode(struct regulator_dev *rdev)
 
 static struct regulator_ops lp872x_ldo_ops = {
 	.list_voltage = regulator_list_voltage_table,
+	.map_voltage = regulator_map_voltage_ascend,
 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
 	.enable = regulator_enable_regmap,
@@ -488,6 +489,7 @@ static struct regulator_ops lp872x_ldo_ops = {
 
 static struct regulator_ops lp8720_buck_ops = {
 	.list_voltage = regulator_list_voltage_table,
+	.map_voltage = regulator_map_voltage_ascend,
 	.set_voltage_sel = lp872x_buck_set_voltage_sel,
 	.get_voltage_sel = lp872x_buck_get_voltage_sel,
 	.enable = regulator_enable_regmap,
@@ -500,6 +502,7 @@ static struct regulator_ops lp8720_buck_ops = {
 
 static struct regulator_ops lp8725_buck_ops = {
 	.list_voltage = regulator_list_voltage_table,
+	.map_voltage = regulator_map_voltage_ascend,
 	.set_voltage_sel = lp872x_buck_set_voltage_sel,
 	.get_voltage_sel = lp872x_buck_get_voltage_sel,
 	.enable = regulator_enable_regmap,
diff --git a/drivers/regulator/lp8788-buck.c b/drivers/regulator/lp8788-buck.c
index 97891a7ea7b2..eb1e1e88ae51 100644
--- a/drivers/regulator/lp8788-buck.c
+++ b/drivers/regulator/lp8788-buck.c
@@ -346,6 +346,7 @@ static unsigned int lp8788_buck_get_mode(struct regulator_dev *rdev)
 
 static struct regulator_ops lp8788_buck12_ops = {
 	.list_voltage = regulator_list_voltage_table,
+	.map_voltage = regulator_map_voltage_ascend,
 	.set_voltage_sel = lp8788_buck12_set_voltage_sel,
 	.get_voltage_sel = lp8788_buck12_get_voltage_sel,
 	.enable = regulator_enable_regmap,
@@ -358,6 +359,7 @@ static struct regulator_ops lp8788_buck12_ops = {
 
 static struct regulator_ops lp8788_buck34_ops = {
 	.list_voltage = regulator_list_voltage_table,
+	.map_voltage = regulator_map_voltage_ascend,
 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
 	.enable = regulator_enable_regmap,
diff --git a/drivers/regulator/lp8788-ldo.c b/drivers/regulator/lp8788-ldo.c
index cd5a14ad9263..0ce2c4c194b3 100644
--- a/drivers/regulator/lp8788-ldo.c
+++ b/drivers/regulator/lp8788-ldo.c
@@ -156,68 +156,6 @@ static const int lp8788_aldo7_vtbl[] = {
 	1200000, 1300000, 1400000, 1500000, 1600000, 1700000, 1800000, 1800000,
 };
 
-static enum lp8788_ldo_id lp8788_dldo_id[] = {
-	DLDO1,
-	DLDO2,
-	DLDO3,
-	DLDO4,
-	DLDO5,
-	DLDO6,
-	DLDO7,
-	DLDO8,
-	DLDO9,
-	DLDO10,
-	DLDO11,
-	DLDO12,
-};
-
-static enum lp8788_ldo_id lp8788_aldo_id[] = {
-	ALDO1,
-	ALDO2,
-	ALDO3,
-	ALDO4,
-	ALDO5,
-	ALDO6,
-	ALDO7,
-	ALDO8,
-	ALDO9,
-	ALDO10,
-};
-
-static int lp8788_ldo_enable(struct regulator_dev *rdev)
-{
-	struct lp8788_ldo *ldo = rdev_get_drvdata(rdev);
-
-	if (ldo->en_pin) {
-		gpio_set_value(ldo->en_pin->gpio, ENABLE);
-		return 0;
-	} else {
-		return regulator_enable_regmap(rdev);
-	}
-}
-
-static int lp8788_ldo_disable(struct regulator_dev *rdev)
-{
-	struct lp8788_ldo *ldo = rdev_get_drvdata(rdev);
-
-	if (ldo->en_pin) {
-		gpio_set_value(ldo->en_pin->gpio, DISABLE);
-		return 0;
-	} else {
-		return regulator_disable_regmap(rdev);
-	}
-}
-
-static int lp8788_ldo_is_enabled(struct regulator_dev *rdev)
-{
-	struct lp8788_ldo *ldo = rdev_get_drvdata(rdev);
-
-	if (ldo->en_pin)
-		return gpio_get_value(ldo->en_pin->gpio) ? 1 : 0;
-	else
-		return regulator_is_enabled_regmap(rdev);
-}
-
 static int lp8788_ldo_enable_time(struct regulator_dev *rdev)
 {
 	struct lp8788_ldo *ldo = rdev_get_drvdata(rdev);
@@ -232,38 +170,21 @@ static int lp8788_ldo_enable_time(struct regulator_dev *rdev)
 	return ENABLE_TIME_USEC * val;
 }
 
-static int lp8788_ldo_fixed_get_voltage(struct regulator_dev *rdev)
-{
-	enum lp8788_ldo_id id = rdev_get_id(rdev);
-
-	switch (id) {
-	case ALDO2 ... ALDO5:
-		return 2850000;
-	case DLDO12:
-	case ALDO8 ... ALDO9:
-		return 2500000;
-	case ALDO10:
-		return 1100000;
-	default:
-		return -EINVAL;
-	}
-}
-
 static struct regulator_ops lp8788_ldo_voltage_table_ops = {
 	.list_voltage = regulator_list_voltage_table,
 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
-	.enable = lp8788_ldo_enable,
-	.disable = lp8788_ldo_disable,
-	.is_enabled = lp8788_ldo_is_enabled,
+	.enable = regulator_enable_regmap,
+	.disable = regulator_disable_regmap,
+	.is_enabled = regulator_is_enabled_regmap,
 	.enable_time = lp8788_ldo_enable_time,
 };
 
 static struct regulator_ops lp8788_ldo_voltage_fixed_ops = {
-	.get_voltage = lp8788_ldo_fixed_get_voltage,
-	.enable = lp8788_ldo_enable,
-	.disable = lp8788_ldo_disable,
-	.is_enabled = lp8788_ldo_is_enabled,
+	.list_voltage = regulator_list_voltage_linear,
+	.enable = regulator_enable_regmap,
+	.disable = regulator_disable_regmap,
+	.is_enabled = regulator_is_enabled_regmap,
 	.enable_time = lp8788_ldo_enable_time,
 };
 
@@ -420,6 +341,7 @@ static struct regulator_desc lp8788_dldo_desc[] = {
 		.owner = THIS_MODULE,
 		.enable_reg = LP8788_EN_LDO_B,
 		.enable_mask = LP8788_EN_DLDO12_M,
+		.min_uV = 2500000,
 	},
 };
 
@@ -446,6 +368,7 @@ static struct regulator_desc lp8788_aldo_desc[] = {
 		.owner = THIS_MODULE,
 		.enable_reg = LP8788_EN_LDO_B,
 		.enable_mask = LP8788_EN_ALDO2_M,
+		.min_uV = 2850000,
 	},
 	{
 		.name = "aldo3",
@@ -456,6 +379,7 @@ static struct regulator_desc lp8788_aldo_desc[] = {
 		.owner = THIS_MODULE,
 		.enable_reg = LP8788_EN_LDO_B,
 		.enable_mask = LP8788_EN_ALDO3_M,
+		.min_uV = 2850000,
 	},
 	{
 		.name = "aldo4",
@@ -466,6 +390,7 @@ static struct regulator_desc lp8788_aldo_desc[] = {
 		.owner = THIS_MODULE,
 		.enable_reg = LP8788_EN_LDO_B,
 		.enable_mask = LP8788_EN_ALDO4_M,
+		.min_uV = 2850000,
 	},
 	{
 		.name = "aldo5",
@@ -476,6 +401,7 @@ static struct regulator_desc lp8788_aldo_desc[] = {
 		.owner = THIS_MODULE,
 		.enable_reg = LP8788_EN_LDO_C,
 		.enable_mask = LP8788_EN_ALDO5_M,
+		.min_uV = 2850000,
 	},
 	{
 		.name = "aldo6",
@@ -512,6 +438,7 @@ static struct regulator_desc lp8788_aldo_desc[] = {
 		.owner = THIS_MODULE,
 		.enable_reg = LP8788_EN_LDO_C,
 		.enable_mask = LP8788_EN_ALDO8_M,
+		.min_uV = 2500000,
 	},
 	{
 		.name = "aldo9",
@@ -522,6 +449,7 @@ static struct regulator_desc lp8788_aldo_desc[] = {
 		.owner = THIS_MODULE,
 		.enable_reg = LP8788_EN_LDO_C,
 		.enable_mask = LP8788_EN_ALDO9_M,
+		.min_uV = 2500000,
 	},
 	{
 		.name = "aldo10",
@@ -532,46 +460,14 @@ static struct regulator_desc lp8788_aldo_desc[] = {
 		.owner = THIS_MODULE,
 		.enable_reg = LP8788_EN_LDO_C,
 		.enable_mask = LP8788_EN_ALDO10_M,
+		.min_uV = 1100000,
 	},
 };
 
-static int lp8788_gpio_request_ldo_en(struct platform_device *pdev,
-				struct lp8788_ldo *ldo,
-				enum lp8788_ext_ldo_en_id id)
-{
-	struct device *dev = &pdev->dev;
-	struct lp8788_ldo_enable_pin *pin = ldo->en_pin;
-	int ret, gpio, pinstate;
-	char *name[] = {
-		[EN_ALDO1]   = "LP8788_EN_ALDO1",
-		[EN_ALDO234] = "LP8788_EN_ALDO234",
-		[EN_ALDO5]   = "LP8788_EN_ALDO5",
-		[EN_ALDO7]   = "LP8788_EN_ALDO7",
-		[EN_DLDO7]   = "LP8788_EN_DLDO7",
-		[EN_DLDO911] = "LP8788_EN_DLDO911",
-	};
-
-	gpio = pin->gpio;
-	if (!gpio_is_valid(gpio)) {
-		dev_err(dev, "invalid gpio: %d\n", gpio);
-		return -EINVAL;
-	}
-
-	pinstate = pin->init_state;
-	ret = devm_gpio_request_one(dev, gpio, pinstate, name[id]);
-	if (ret == -EBUSY) {
-		dev_warn(dev, "gpio%d already used\n", gpio);
-		return 0;
-	}
-
-	return ret;
-}
-
 static int lp8788_config_ldo_enable_mode(struct platform_device *pdev,
 					struct lp8788_ldo *ldo,
 					enum lp8788_ldo_id id)
 {
-	int ret;
 	struct lp8788 *lp = ldo->lp;
 	struct lp8788_platform_data *pdata = lp->pdata;
 	enum lp8788_ext_ldo_en_id enable_id;
@@ -613,14 +509,7 @@ static int lp8788_config_ldo_enable_mode(struct platform_device *pdev,
 		goto set_default_ldo_enable_mode;
 
 	ldo->en_pin = pdata->ldo_pin[enable_id];
-
-	ret = lp8788_gpio_request_ldo_en(pdev, ldo, enable_id);
-	if (ret) {
-		ldo->en_pin = NULL;
-		goto set_default_ldo_enable_mode;
-	}
-
-	return ret;
+	return 0;
 
 set_default_ldo_enable_mode:
 	return lp8788_update_bits(lp, LP8788_EN_SEL, en_mask[enable_id], 0);
@@ -640,10 +529,15 @@ static int lp8788_dldo_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	ldo->lp = lp;
-	ret = lp8788_config_ldo_enable_mode(pdev, ldo, lp8788_dldo_id[id]);
+	ret = lp8788_config_ldo_enable_mode(pdev, ldo, id);
 	if (ret)
 		return ret;
 
+	if (ldo->en_pin) {
+		cfg.ena_gpio = ldo->en_pin->gpio;
+		cfg.ena_gpio_flags = ldo->en_pin->init_state;
+	}
+
 	cfg.dev = pdev->dev.parent;
 	cfg.init_data = lp->pdata ? lp->pdata->dldo_data[id] : NULL;
 	cfg.driver_data = ldo;
@@ -696,10 +590,15 @@ static int lp8788_aldo_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	ldo->lp = lp;
-	ret = lp8788_config_ldo_enable_mode(pdev, ldo, lp8788_aldo_id[id]);
+	ret = lp8788_config_ldo_enable_mode(pdev, ldo, id + ALDO1);
 	if (ret)
 		return ret;
 
+	if (ldo->en_pin) {
+		cfg.ena_gpio = ldo->en_pin->gpio;
+		cfg.ena_gpio_flags = ldo->en_pin->init_state;
+	}
+
 	cfg.dev = pdev->dev.parent;
 	cfg.init_data = lp->pdata ? lp->pdata->aldo_data[id] : NULL;
 	cfg.driver_data = ldo;
diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c
index 8c5a54f541b5..54af61015814 100644
--- a/drivers/regulator/max1586.c
+++ b/drivers/regulator/max1586.c
@@ -56,7 +56,7 @@ struct max1586_data {
  *   set V6 to either 0V, 1.8V, 2.5V, 3V depending on (x & 0x3)
  * As regulator framework doesn't accept voltages to be 0V, we use 1uV.
  */
-static int v6_voltages_uv[] = { 1, 1800000, 2500000, 3000000 };
+static const unsigned int v6_voltages_uv[] = { 1, 1800000, 2500000, 3000000 };
 
 /*
  * V3 voltage
@@ -232,8 +232,7 @@ static int max1586_pmic_remove(struct i2c_client *client)
 	int i;
 
 	for (i = 0; i <= MAX1586_V6; i++)
-		if (max1586->rdev[i])
-			regulator_unregister(max1586->rdev[i]);
+		regulator_unregister(max1586->rdev[i]);
 	return 0;
 }
 
diff --git a/drivers/regulator/max77686.c b/drivers/regulator/max77686.c
index e4586ee8858d..20935b1a6ed4 100644
--- a/drivers/regulator/max77686.c
+++ b/drivers/regulator/max77686.c
@@ -75,17 +75,20 @@ static int max77686_buck_set_suspend_disable(struct regulator_dev *rdev)
 {
 	unsigned int val;
 	struct max77686_data *max77686 = rdev_get_drvdata(rdev);
-        int id = rdev_get_id(rdev);
+	int ret, id = rdev_get_id(rdev);
 
 	if (id == MAX77686_BUCK1)
 		val = 0x1;
 	else
 		val = 0x1 << MAX77686_OPMODE_BUCK234_SHIFT;
 
+	ret = regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+				 rdev->desc->enable_mask, val);
+	if (ret)
+		return ret;
+
 	max77686->opmode[id] = val;
-	return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
-				  rdev->desc->enable_mask,
-				  val);
+	return 0;
 }
 
 /* Some LDOs supports [LPM/Normal]ON mode during suspend state */
@@ -94,7 +97,7 @@ static int max77686_set_suspend_mode(struct regulator_dev *rdev,
 {
 	struct max77686_data *max77686 = rdev_get_drvdata(rdev);
 	unsigned int val;
-        int id = rdev_get_id(rdev);
+	int ret, id = rdev_get_id(rdev);
 
 	/* BUCK[5-9] doesn't support this feature */
 	if (id >= MAX77686_BUCK5)
@@ -113,10 +116,13 @@ static int max77686_set_suspend_mode(struct regulator_dev *rdev,
 		return -EINVAL;
 	}
 
+	ret = regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+				  rdev->desc->enable_mask, val);
+	if (ret)
+		return ret;
+
 	max77686->opmode[id] = val;
-	return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
-				  rdev->desc->enable_mask,
-				  val);
+	return 0;
 }
 
 /* Some LDOs supports LPM-ON/OFF/Normal-ON mode during suspend state */
@@ -125,6 +131,7 @@ static int max77686_ldo_set_suspend_mode(struct regulator_dev *rdev,
 {
 	unsigned int val;
 	struct max77686_data *max77686 = rdev_get_drvdata(rdev);
+	int ret;
 
 	switch (mode) {
 	case REGULATOR_MODE_STANDBY:			/* switch off */
@@ -142,10 +149,13 @@ static int max77686_ldo_set_suspend_mode(struct regulator_dev *rdev,
 		return -EINVAL;
 	}
 
+	ret = regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
+				 rdev->desc->enable_mask, val);
+	if (ret)
+		return ret;
+
 	max77686->opmode[rdev_get_id(rdev)] = val;
-	return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
-				  rdev->desc->enable_mask,
-				  val);
+	return 0;
 }
 
 static int max77686_enable(struct regulator_dev *rdev)
diff --git a/drivers/regulator/max8649.c b/drivers/regulator/max8649.c
index 3ca14380f22d..db6c9be10f3f 100644
--- a/drivers/regulator/max8649.c
+++ b/drivers/regulator/max8649.c
@@ -60,36 +60,6 @@ struct max8649_regulator_info {
 	unsigned	ramp_down:1;
 };
 
-/* EN_PD means pulldown on EN input */
-static int max8649_enable(struct regulator_dev *rdev)
-{
-	struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
-	return regmap_update_bits(info->regmap, MAX8649_CONTROL, MAX8649_EN_PD, 0);
-}
-
-/*
- * Applied internal pulldown resistor on EN input pin.
- * If pulldown EN pin outside, it would be better.
- */
-static int max8649_disable(struct regulator_dev *rdev)
-{
-	struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
-	return regmap_update_bits(info->regmap, MAX8649_CONTROL, MAX8649_EN_PD,
-				MAX8649_EN_PD);
-}
-
-static int max8649_is_enabled(struct regulator_dev *rdev)
-{
-	struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
-	unsigned int val;
-	int ret;
-
-	ret = regmap_read(info->regmap, MAX8649_CONTROL, &val);
-	if (ret != 0)
-		return ret;
-	return !((unsigned char)val & MAX8649_EN_PD);
-}
-
 static int max8649_enable_time(struct regulator_dev *rdev)
 {
 	struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
@@ -151,9 +121,9 @@ static struct regulator_ops max8649_dcdc_ops = {
 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
 	.list_voltage	= regulator_list_voltage_linear,
 	.map_voltage	= regulator_map_voltage_linear,
-	.enable		= max8649_enable,
-	.disable	= max8649_disable,
-	.is_enabled	= max8649_is_enabled,
+	.enable		= regulator_enable_regmap,
+	.disable	= regulator_disable_regmap,
+	.is_enabled	= regulator_is_enabled_regmap,
 	.enable_time	= max8649_enable_time,
 	.set_mode	= max8649_set_mode,
 	.get_mode	= max8649_get_mode,
@@ -169,6 +139,9 @@ static struct regulator_desc dcdc_desc = {
 	.vsel_mask	= MAX8649_VOL_MASK,
 	.min_uV		= MAX8649_DCDC_VMIN,
 	.uV_step	= MAX8649_DCDC_STEP,
+	.enable_reg	= MAX8649_CONTROL,
+	.enable_mask	= MAX8649_EN_PD,
+	.enable_is_inverted = true,
 };
 
 static struct regmap_config max8649_regmap_config = {
@@ -275,10 +248,8 @@ static int max8649_regulator_remove(struct i2c_client *client)
 {
 	struct max8649_regulator_info *info = i2c_get_clientdata(client);
 
-	if (info) {
-		if (info->regulator)
-			regulator_unregister(info->regulator);
-	}
+	if (info)
+		regulator_unregister(info->regulator);
 
 	return 0;
 }
diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c
index 4d7c635c36c2..d428ef9a626f 100644
--- a/drivers/regulator/max8660.c
+++ b/drivers/regulator/max8660.c
@@ -426,8 +426,7 @@ static int max8660_remove(struct i2c_client *client)
 	int i;
 
 	for (i = 0; i < MAX8660_V_END; i++)
-		if (max8660->rdev[i])
-			regulator_unregister(max8660->rdev[i]);
+		regulator_unregister(max8660->rdev[i]);
 	return 0;
 }
 
diff --git a/drivers/regulator/max8925-regulator.c b/drivers/regulator/max8925-regulator.c
index 0d5f64a805a0..3597da8f0dca 100644
--- a/drivers/regulator/max8925-regulator.c
+++ b/drivers/regulator/max8925-regulator.c
@@ -246,7 +246,6 @@ static struct max8925_regulator_info max8925_regulator_info[] = {
 
 #ifdef CONFIG_OF
 static int max8925_regulator_dt_init(struct platform_device *pdev,
-				    struct max8925_regulator_info *info,
 				    struct regulator_config *config,
 				    int ridx)
 {
@@ -272,7 +271,7 @@ static int max8925_regulator_dt_init(struct platform_device *pdev,
 	return 0;
 }
 #else
-#define max8925_regulator_dt_init(w, x, y, z)	(-1)
+#define max8925_regulator_dt_init(x, y, z)	(-1)
 #endif
 
 static int max8925_regulator_probe(struct platform_device *pdev)
@@ -309,7 +308,7 @@ static int max8925_regulator_probe(struct platform_device *pdev)
 	config.dev = &pdev->dev;
 	config.driver_data = ri;
 
-	if (max8925_regulator_dt_init(pdev, ri, &config, regulator_idx))
+	if (max8925_regulator_dt_init(pdev, &config, regulator_idx))
 		if (pdata)
 			config.init_data = pdata;
 
diff --git a/drivers/regulator/max8952.c b/drivers/regulator/max8952.c
index fc7935a19e3a..5259c2fea90a 100644
--- a/drivers/regulator/max8952.c
+++ b/drivers/regulator/max8952.c
@@ -28,6 +28,9 @@
 #include <linux/regulator/max8952.h>
 #include <linux/gpio.h>
 #include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
+#include <linux/regulator/of_regulator.h>
 #include <linux/slab.h>
 
 /* Registers */
@@ -126,6 +129,69 @@ static const struct regulator_desc regulator = {
 	.owner		= THIS_MODULE,
 };
 
+#ifdef CONFIG_OF
+static struct of_device_id max8952_dt_match[] = {
+	{ .compatible = "maxim,max8952" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, max8952_dt_match);
+
+static struct max8952_platform_data *max8952_parse_dt(struct device *dev)
+{
+	struct max8952_platform_data *pd;
+	struct device_node *np = dev->of_node;
+	int ret;
+	int i;
+
+	pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
+	if (!pd) {
+		dev_err(dev, "Failed to allocate platform data\n");
+		return NULL;
+	}
+
+	pd->gpio_vid0 = of_get_named_gpio(np, "max8952,vid-gpios", 0);
+	pd->gpio_vid1 = of_get_named_gpio(np, "max8952,vid-gpios", 1);
+	pd->gpio_en = of_get_named_gpio(np, "max8952,en-gpio", 0);
+
+	if (of_property_read_u32(np, "max8952,default-mode", &pd->default_mode))
+		dev_warn(dev, "Default mode not specified, assuming 0\n");
+
+	ret = of_property_read_u32_array(np, "max8952,dvs-mode-microvolt",
+					pd->dvs_mode, ARRAY_SIZE(pd->dvs_mode));
+	if (ret) {
+		dev_err(dev, "max8952,dvs-mode-microvolt property not specified");
+		return NULL;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(pd->dvs_mode); ++i) {
+		if (pd->dvs_mode[i] < 770000 || pd->dvs_mode[i] > 1400000) {
+			dev_err(dev, "DVS voltage %d out of range\n", i);
+			return NULL;
+		}
+		pd->dvs_mode[i] = (pd->dvs_mode[i] - 770000) / 10000;
+	}
+
+	if (of_property_read_u32(np, "max8952,sync-freq", &pd->sync_freq))
+		dev_warn(dev, "max8952,sync-freq property not specified, defaulting to 26MHz\n");
+
+	if (of_property_read_u32(np, "max8952,ramp-speed", &pd->ramp_speed))
+		dev_warn(dev, "max8952,ramp-speed property not specified, defaulting to 32mV/us\n");
+
+	pd->reg_data = of_get_regulator_init_data(dev, np);
+	if (!pd->reg_data) {
+		dev_err(dev, "Failed to parse regulator init data\n");
+		return NULL;
+	}
+
+	return pd;
+}
+#else
+static struct max8952_platform_data *max8952_parse_dt(struct device *dev)
+{
+	return NULL;
+}
+#endif
+
 static int max8952_pmic_probe(struct i2c_client *client,
 		const struct i2c_device_id *i2c_id)
 {
@@ -136,6 +202,9 @@ static int max8952_pmic_probe(struct i2c_client *client,
 
 	int ret = 0, err = 0;
 
+	if (client->dev.of_node)
+		pdata = max8952_parse_dt(&client->dev);
+
 	if (!pdata) {
 		dev_err(&client->dev, "Require the platform data\n");
 		return -EINVAL;
@@ -154,11 +223,12 @@ static int max8952_pmic_probe(struct i2c_client *client,
 	max8952->pdata = pdata;
 
 	config.dev = max8952->dev;
-	config.init_data = &pdata->reg_data;
+	config.init_data = pdata->reg_data;
 	config.driver_data = max8952;
+	config.of_node = client->dev.of_node;
 
 	config.ena_gpio = pdata->gpio_en;
-	if (pdata->reg_data.constraints.boot_on)
+	if (pdata->reg_data->constraints.boot_on)
 		config.ena_gpio_flags |= GPIOF_OUT_INIT_HIGH;
 
 	max8952->rdev = regulator_register(&regulator, &config);
@@ -271,6 +341,7 @@ static struct i2c_driver max8952_pmic_driver = {
 	.remove		= max8952_pmic_remove,
 	.driver		= {
 		.name	= "max8952",
+		.of_match_table = of_match_ptr(max8952_dt_match),
 	},
 	.id_table	= max8952_ids,
 };
diff --git a/drivers/regulator/max8973-regulator.c b/drivers/regulator/max8973-regulator.c
index 9a8ea9163005..adb1414e5e37 100644
--- a/drivers/regulator/max8973-regulator.c
+++ b/drivers/regulator/max8973-regulator.c
@@ -274,15 +274,15 @@ static int max8973_init_dcdc(struct max8973_chip *max,
 	if (pdata->reg_init_data &&
 			pdata->reg_init_data->constraints.ramp_delay) {
 		if (pdata->reg_init_data->constraints.ramp_delay < 25000)
-			control1 = MAX8973_RAMP_12mV_PER_US;
+			control1 |= MAX8973_RAMP_12mV_PER_US;
 		else if (pdata->reg_init_data->constraints.ramp_delay < 50000)
-			control1 = MAX8973_RAMP_25mV_PER_US;
+			control1 |= MAX8973_RAMP_25mV_PER_US;
 		else if (pdata->reg_init_data->constraints.ramp_delay < 200000)
-			control1 = MAX8973_RAMP_50mV_PER_US;
+			control1 |= MAX8973_RAMP_50mV_PER_US;
 		else
-			control1 = MAX8973_RAMP_200mV_PER_US;
+			control1 |= MAX8973_RAMP_200mV_PER_US;
 	} else {
-		control1 = MAX8973_RAMP_12mV_PER_US;
+		control1 |= MAX8973_RAMP_12mV_PER_US;
 		max->desc.ramp_delay = 12500;
 	}
 
diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c
index 0ac7a87519b4..df20069f0537 100644
--- a/drivers/regulator/max8997.c
+++ b/drivers/regulator/max8997.c
@@ -1035,8 +1035,8 @@ static int max8997_pmic_probe(struct platform_device *pdev)
 	int i, ret, size, nr_dvs;
 	u8 max_buck1 = 0, max_buck2 = 0, max_buck5 = 0;
 
-	if (IS_ERR_OR_NULL(pdata)) {
-		dev_err(pdev->dev.parent, "No platform init data supplied.\n");
+	if (!pdata) {
+		dev_err(&pdev->dev, "No platform init data supplied.\n");
 		return -ENODEV;
 	}
 
diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c
index b588f07c7cad..a57a1b15cdba 100644
--- a/drivers/regulator/max8998.c
+++ b/drivers/regulator/max8998.c
@@ -665,14 +665,16 @@ static int max8998_pmic_probe(struct platform_device *pdev)
 	    gpio_is_valid(pdata->buck1_set2)) {
 		/* Check if SET1 is not equal to 0 */
 		if (!pdata->buck1_set1) {
-			printk(KERN_ERR "MAX8998 SET1 GPIO defined as 0 !\n");
+			dev_err(&pdev->dev,
+				"MAX8998 SET1 GPIO defined as 0 !\n");
 			WARN_ON(!pdata->buck1_set1);
 			ret = -EIO;
 			goto err_out;
 		}
 		/* Check if SET2 is not equal to 0 */
 		if (!pdata->buck1_set2) {
-			printk(KERN_ERR "MAX8998 SET2 GPIO defined as 0 !\n");
+			dev_err(&pdev->dev,
+				"MAX8998 SET2 GPIO defined as 0 !\n");
 			WARN_ON(!pdata->buck1_set2);
 			ret = -EIO;
 			goto err_out;
@@ -738,7 +740,8 @@ static int max8998_pmic_probe(struct platform_device *pdev)
 	if (gpio_is_valid(pdata->buck2_set3)) {
 		/* Check if SET3 is not equal to 0 */
 		if (!pdata->buck2_set3) {
-			printk(KERN_ERR "MAX8998 SET3 GPIO defined as 0 !\n");
+			dev_err(&pdev->dev,
+				"MAX8998 SET3 GPIO defined as 0 !\n");
 			WARN_ON(!pdata->buck2_set3);
 			ret = -EIO;
 			goto err_out;
diff --git a/drivers/regulator/mc13783-regulator.c b/drivers/regulator/mc13783-regulator.c
index c46c6705cd74..fdf7f0a09090 100644
--- a/drivers/regulator/mc13783-regulator.c
+++ b/drivers/regulator/mc13783-regulator.c
@@ -398,33 +398,51 @@ static int mc13783_regulator_probe(struct platform_device *pdev)
 	struct mc13xxx *mc13783 = dev_get_drvdata(pdev->dev.parent);
 	struct mc13xxx_regulator_platform_data *pdata =
 		dev_get_platdata(&pdev->dev);
-	struct mc13xxx_regulator_init_data *init_data;
+	struct mc13xxx_regulator_init_data *mc13xxx_data;
 	struct regulator_config config = { };
-	int i, ret;
+	int i, ret, num_regulators;
 
-	dev_dbg(&pdev->dev, "%s id %d\n", __func__, pdev->id);
+	num_regulators = mc13xxx_get_num_regulators_dt(pdev);
 
-	if (!pdata)
+	if (num_regulators <= 0 && pdata)
+		num_regulators = pdata->num_regulators;
+	if (num_regulators <= 0)
 		return -EINVAL;
 
 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv) +
-			pdata->num_regulators * sizeof(priv->regulators[0]),
+			num_regulators * sizeof(priv->regulators[0]),
 			GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
+	priv->num_regulators = num_regulators;
 	priv->mc13xxx_regulators = mc13783_regulators;
 	priv->mc13xxx = mc13783;
+	platform_set_drvdata(pdev, priv);
 
-	for (i = 0; i < pdata->num_regulators; i++) {
-		struct regulator_desc *desc;
+	mc13xxx_data = mc13xxx_parse_regulators_dt(pdev, mc13783_regulators,
+					ARRAY_SIZE(mc13783_regulators));
 
-		init_data = &pdata->regulators[i];
-		desc = &mc13783_regulators[init_data->id].desc;
+	for (i = 0; i < priv->num_regulators; i++) {
+		struct regulator_init_data *init_data;
+		struct regulator_desc *desc;
+		struct device_node *node = NULL;
+		int id;
+
+		if (mc13xxx_data) {
+			id = mc13xxx_data[i].id;
+			init_data = mc13xxx_data[i].init_data;
+			node = mc13xxx_data[i].node;
+		} else {
+			id = pdata->regulators[i].id;
+			init_data = pdata->regulators[i].init_data;
+		}
+		desc = &mc13783_regulators[id].desc;
 
 		config.dev = &pdev->dev;
-		config.init_data = init_data->init_data;
+		config.init_data = init_data;
 		config.driver_data = priv;
+		config.of_node = node;
 
 		priv->regulators[i] = regulator_register(desc, &config);
 		if (IS_ERR(priv->regulators[i])) {
@@ -435,8 +453,6 @@ static int mc13783_regulator_probe(struct platform_device *pdev)
 		}
 	}
 
-	platform_set_drvdata(pdev, priv);
-
 	return 0;
 err:
 	while (--i >= 0)
@@ -448,13 +464,11 @@ err:
 static int mc13783_regulator_remove(struct platform_device *pdev)
 {
 	struct mc13xxx_regulator_priv *priv = platform_get_drvdata(pdev);
-	struct mc13xxx_regulator_platform_data *pdata =
-		dev_get_platdata(&pdev->dev);
 	int i;
 
 	platform_set_drvdata(pdev, NULL);
 
-	for (i = 0; i < pdata->num_regulators; i++)
+	for (i = 0; i < priv->num_regulators; i++)
 		regulator_unregister(priv->regulators[i]);
 
 	return 0;
diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c
index 9891aec47b57..b716283a8760 100644
--- a/drivers/regulator/mc13892-regulator.c
+++ b/drivers/regulator/mc13892-regulator.c
@@ -465,13 +465,13 @@ static int mc13892_sw_regulator_set_voltage_sel(struct regulator_dev *rdev,
 	 */
 
 	if (mc13892_regulators[id].vsel_reg != MC13892_SWITCHERS0) {
+		mask |= MC13892_SWITCHERS0_SWxHI;
+
 		if (volt > 1375000) {
 			reg_value -= MC13892_SWxHI_SEL_OFFSET;
 			reg_value |= MC13892_SWITCHERS0_SWxHI;
-			mask |= MC13892_SWITCHERS0_SWxHI;
-		} else if (volt < 1100000) {
+		} else {
 			reg_value &= ~MC13892_SWITCHERS0_SWxHI;
-			mask |= MC13892_SWITCHERS0_SWxHI;
 		}
 	}
 
@@ -485,6 +485,7 @@ static int mc13892_sw_regulator_set_voltage_sel(struct regulator_dev *rdev,
 
 static struct regulator_ops mc13892_sw_regulator_ops = {
 	.list_voltage = regulator_list_voltage_table,
+	.map_voltage = regulator_map_voltage_ascend,
 	.set_voltage_sel = mc13892_sw_regulator_set_voltage_sel,
 	.get_voltage_sel = mc13892_sw_regulator_get_voltage_sel,
 };
@@ -535,7 +536,7 @@ static int mc13892_regulator_probe(struct platform_device *pdev)
 	struct mc13xxx_regulator_init_data *mc13xxx_data;
 	struct regulator_config config = { };
 	int i, ret;
-	int num_regulators = 0, num_parsed;
+	int num_regulators = 0;
 	u32 val;
 
 	num_regulators = mc13xxx_get_num_regulators_dt(pdev);
@@ -545,8 +546,6 @@ static int mc13892_regulator_probe(struct platform_device *pdev)
 	if (num_regulators <= 0)
 		return -EINVAL;
 
-	num_parsed = num_regulators;
-
 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv) +
 		num_regulators * sizeof(priv->regulators[0]),
 		GFP_KERNEL);
@@ -589,40 +588,9 @@ static int mc13892_regulator_probe(struct platform_device *pdev)
 		= mc13892_vcam_get_mode;
 
 	mc13xxx_data = mc13xxx_parse_regulators_dt(pdev, mc13892_regulators,
-					ARRAY_SIZE(mc13892_regulators),
-					&num_parsed);
-
-	/*
-	 * Perform a little sanity check on the regulator tree - if we found
-	 * a number of regulators from mc13xxx_get_num_regulators_dt and
-	 * then parsed a smaller number in mc13xxx_parse_regulators_dt then
-	 * there is a regulator defined in the regulators node which has
-	 * not matched any usable regulator in the driver. In this case,
-	 * there is one missing and what will happen is the first regulator
-	 * will get registered again.
-	 *
-	 * Fix this by basically making our number of registerable regulators
-	 * equal to the number of regulators we parsed. We are allocating
-	 * too much memory for priv, but this is unavoidable at this point.
-	 *
-	 * As an example of how this can happen, try making a typo in your
-	 * regulators node (vviohi {} instead of viohi {}) so that the name
-	 * does not match..
-	 *
-	 * The check will basically pass for platform data (non-DT) because
-	 * mc13xxx_parse_regulators_dt for !CONFIG_OF will not touch num_parsed.
-	 *
-	 */
-	if (num_parsed != num_regulators) {
-		dev_warn(&pdev->dev,
-		"parsed %d != regulators %d - check your device tree!\n",
-			num_parsed, num_regulators);
-
-		num_regulators = num_parsed;
-		priv->num_regulators = num_regulators;
-	}
+					ARRAY_SIZE(mc13892_regulators));
 
-	for (i = 0; i < num_regulators; i++) {
+	for (i = 0; i < priv->num_regulators; i++) {
 		struct regulator_init_data *init_data;
 		struct regulator_desc *desc;
 		struct device_node *node = NULL;
diff --git a/drivers/regulator/mc13xxx-regulator-core.c b/drivers/regulator/mc13xxx-regulator-core.c
index 23cf9f9c383b..da4859282302 100644
--- a/drivers/regulator/mc13xxx-regulator-core.c
+++ b/drivers/regulator/mc13xxx-regulator-core.c
@@ -180,15 +180,13 @@ EXPORT_SYMBOL_GPL(mc13xxx_get_num_regulators_dt);
 
 struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
 	struct platform_device *pdev, struct mc13xxx_regulator *regulators,
-	int num_regulators, int *num_parsed)
+	int num_regulators)
 {
 	struct mc13xxx_regulator_priv *priv = platform_get_drvdata(pdev);
 	struct mc13xxx_regulator_init_data *data, *p;
 	struct device_node *parent, *child;
 	int i, parsed = 0;
 
-	*num_parsed = 0;
-
 	of_node_get(pdev->dev.parent->of_node);
 	parent = of_find_node_by_name(pdev->dev.parent->of_node, "regulators");
 	if (!parent)
@@ -204,10 +202,13 @@ struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
 	p = data;
 
 	for_each_child_of_node(parent, child) {
+		int found = 0;
+
 		for (i = 0; i < num_regulators; i++) {
+			if (!regulators[i].desc.name)
+				continue;
 			if (!of_node_cmp(child->name,
 					 regulators[i].desc.name)) {
-
 				p->id = i;
 				p->init_data = of_get_regulator_init_data(
 							&pdev->dev, child);
@@ -215,13 +216,19 @@ struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
 				p++;
 
 				parsed++;
+				found = 1;
 				break;
 			}
 		}
+
+		if (!found)
+			dev_warn(&pdev->dev,
+				 "Unknown regulator: %s\n", child->name);
 	}
 	of_node_put(parent);
 
-	*num_parsed = parsed;
+	priv->num_regulators = parsed;
+
 	return data;
 }
 EXPORT_SYMBOL_GPL(mc13xxx_parse_regulators_dt);
diff --git a/drivers/regulator/mc13xxx.h b/drivers/regulator/mc13xxx.h
index 007f83387fd6..06c8903f182a 100644
--- a/drivers/regulator/mc13xxx.h
+++ b/drivers/regulator/mc13xxx.h
@@ -39,7 +39,7 @@ extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev,
 extern int mc13xxx_get_num_regulators_dt(struct platform_device *pdev);
 extern struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
 	struct platform_device *pdev, struct mc13xxx_regulator *regulators,
-	int num_regulators, int *num_parsed);
+	int num_regulators);
 #else
 static inline int mc13xxx_get_num_regulators_dt(struct platform_device *pdev)
 {
@@ -48,7 +48,7 @@ static inline int mc13xxx_get_num_regulators_dt(struct platform_device *pdev)
 
 static inline struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
 	struct platform_device *pdev, struct mc13xxx_regulator *regulators,
-	int num_regulators, int *num_parsed)
+	int num_regulators)
 {
 	return NULL;
 }
diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index cde13bb5a8fb..92ceed0fc65e 100644
--- a/drivers/regulator/palmas-regulator.c
+++ b/drivers/regulator/palmas-regulator.c
@@ -1,9 +1,10 @@
 /*
  * Driver for Regulator part of Palmas PMIC Chips
  *
- * Copyright 2011-2012 Texas Instruments Inc.
+ * Copyright 2011-2013 Texas Instruments Inc.
  *
  * Author: Graeme Gregory <gg@slimlogic.co.uk>
+ * Author: Ian Lartey <ian@slimlogic.co.uk>
  *
  *  This program is free software; you can redistribute it and/or modify it
  *  under  the terms of the GNU General  Public License as published by the
@@ -28,6 +29,7 @@
 
 struct regs_info {
 	char	*name;
+	char	*sname;
 	u8	vsel_addr;
 	u8	ctrl_addr;
 	u8	tstep_addr;
@@ -36,115 +38,159 @@ struct regs_info {
 static const struct regs_info palmas_regs_info[] = {
 	{
 		.name		= "SMPS12",
+		.sname		= "smps1-in",
 		.vsel_addr	= PALMAS_SMPS12_VOLTAGE,
 		.ctrl_addr	= PALMAS_SMPS12_CTRL,
 		.tstep_addr	= PALMAS_SMPS12_TSTEP,
 	},
 	{
 		.name		= "SMPS123",
+		.sname		= "smps1-in",
 		.vsel_addr	= PALMAS_SMPS12_VOLTAGE,
 		.ctrl_addr	= PALMAS_SMPS12_CTRL,
 		.tstep_addr	= PALMAS_SMPS12_TSTEP,
 	},
 	{
 		.name		= "SMPS3",
+		.sname		= "smps3-in",
 		.vsel_addr	= PALMAS_SMPS3_VOLTAGE,
 		.ctrl_addr	= PALMAS_SMPS3_CTRL,
 	},
 	{
 		.name		= "SMPS45",
+		.sname		= "smps4-in",
 		.vsel_addr	= PALMAS_SMPS45_VOLTAGE,
 		.ctrl_addr	= PALMAS_SMPS45_CTRL,
 		.tstep_addr	= PALMAS_SMPS45_TSTEP,
 	},
 	{
 		.name		= "SMPS457",
+		.sname		= "smps4-in",
 		.vsel_addr	= PALMAS_SMPS45_VOLTAGE,
 		.ctrl_addr	= PALMAS_SMPS45_CTRL,
 		.tstep_addr	= PALMAS_SMPS45_TSTEP,
 	},
 	{
 		.name		= "SMPS6",
+		.sname		= "smps6-in",
 		.vsel_addr	= PALMAS_SMPS6_VOLTAGE,
 		.ctrl_addr	= PALMAS_SMPS6_CTRL,
 		.tstep_addr	= PALMAS_SMPS6_TSTEP,
 	},
 	{
 		.name		= "SMPS7",
+		.sname		= "smps7-in",
 		.vsel_addr	= PALMAS_SMPS7_VOLTAGE,
 		.ctrl_addr	= PALMAS_SMPS7_CTRL,
 	},
 	{
 		.name		= "SMPS8",
+		.sname		= "smps8-in",
 		.vsel_addr	= PALMAS_SMPS8_VOLTAGE,
 		.ctrl_addr	= PALMAS_SMPS8_CTRL,
 		.tstep_addr	= PALMAS_SMPS8_TSTEP,
 	},
 	{
 		.name		= "SMPS9",
+		.sname		= "smps9-in",
 		.vsel_addr	= PALMAS_SMPS9_VOLTAGE,
 		.ctrl_addr	= PALMAS_SMPS9_CTRL,
 	},
 	{
 		.name		= "SMPS10",
+		.sname		= "smps10-in",
+		.ctrl_addr	= PALMAS_SMPS10_CTRL,
 	},
 	{
 		.name		= "LDO1",
+		.sname		= "ldo1-in",
 		.vsel_addr	= PALMAS_LDO1_VOLTAGE,
 		.ctrl_addr	= PALMAS_LDO1_CTRL,
 	},
 	{
 		.name		= "LDO2",
+		.sname		= "ldo2-in",
 		.vsel_addr	= PALMAS_LDO2_VOLTAGE,
 		.ctrl_addr	= PALMAS_LDO2_CTRL,
 	},
 	{
 		.name		= "LDO3",
+		.sname		= "ldo3-in",
 		.vsel_addr	= PALMAS_LDO3_VOLTAGE,
 		.ctrl_addr	= PALMAS_LDO3_CTRL,
 	},
 	{
 		.name		= "LDO4",
+		.sname		= "ldo4-in",
 		.vsel_addr	= PALMAS_LDO4_VOLTAGE,
 		.ctrl_addr	= PALMAS_LDO4_CTRL,
 	},
 	{
 		.name		= "LDO5",
+		.sname		= "ldo5-in",
 		.vsel_addr	= PALMAS_LDO5_VOLTAGE,
 		.ctrl_addr	= PALMAS_LDO5_CTRL,
 	},
 	{
 		.name		= "LDO6",
+		.sname		= "ldo6-in",
 		.vsel_addr	= PALMAS_LDO6_VOLTAGE,
 		.ctrl_addr	= PALMAS_LDO6_CTRL,
 	},
 	{
 		.name		= "LDO7",
+		.sname		= "ldo7-in",
 		.vsel_addr	= PALMAS_LDO7_VOLTAGE,
 		.ctrl_addr	= PALMAS_LDO7_CTRL,
 	},
 	{
 		.name		= "LDO8",
+		.sname		= "ldo8-in",
 		.vsel_addr	= PALMAS_LDO8_VOLTAGE,
 		.ctrl_addr	= PALMAS_LDO8_CTRL,
 	},
 	{
 		.name		= "LDO9",
+		.sname		= "ldo9-in",
 		.vsel_addr	= PALMAS_LDO9_VOLTAGE,
 		.ctrl_addr	= PALMAS_LDO9_CTRL,
 	},
 	{
 		.name		= "LDOLN",
+		.sname		= "ldoln-in",
 		.vsel_addr	= PALMAS_LDOLN_VOLTAGE,
 		.ctrl_addr	= PALMAS_LDOLN_CTRL,
 	},
 	{
 		.name		= "LDOUSB",
+		.sname		= "ldousb-in",
 		.vsel_addr	= PALMAS_LDOUSB_VOLTAGE,
 		.ctrl_addr	= PALMAS_LDOUSB_CTRL,
 	},
+	{
+		.name		= "REGEN1",
+		.ctrl_addr	= PALMAS_REGEN1_CTRL,
+	},
+	{
+		.name		= "REGEN2",
+		.ctrl_addr	= PALMAS_REGEN2_CTRL,
+	},
+	{
+		.name		= "REGEN3",
+		.ctrl_addr	= PALMAS_REGEN3_CTRL,
+	},
+	{
+		.name		= "SYSEN1",
+		.ctrl_addr	= PALMAS_SYSEN1_CTRL,
+	},
+	{
+		.name		= "SYSEN2",
+		.ctrl_addr	= PALMAS_SYSEN2_CTRL,
+	},
 };
 
+static unsigned int palmas_smps_ramp_delay[4] = {0, 10000, 5000, 2500};
+
 #define SMPS_CTRL_MODE_OFF		0x00
 #define SMPS_CTRL_MODE_ON		0x01
 #define SMPS_CTRL_MODE_ECO		0x02
@@ -156,7 +202,7 @@ static const struct regs_info palmas_regs_info[] = {
  *
  * So they are basically (maxV-minV)/stepV
  */
-#define PALMAS_SMPS_NUM_VOLTAGES	116
+#define PALMAS_SMPS_NUM_VOLTAGES	117
 #define PALMAS_SMPS10_NUM_VOLTAGES	2
 #define PALMAS_LDO_NUM_VOLTAGES		50
 
@@ -230,7 +276,10 @@ static int palmas_enable_smps(struct regulator_dev *dev)
 	palmas_smps_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, &reg);
 
 	reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
-	reg |= SMPS_CTRL_MODE_ON;
+	if (pmic->current_reg_mode[id])
+		reg |= pmic->current_reg_mode[id];
+	else
+		reg |= SMPS_CTRL_MODE_ON;
 
 	palmas_smps_write(pmic->palmas, palmas_regs_info[id].ctrl_addr, reg);
 
@@ -252,16 +301,19 @@ static int palmas_disable_smps(struct regulator_dev *dev)
 	return 0;
 }
 
-
 static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode)
 {
 	struct palmas_pmic *pmic = rdev_get_drvdata(dev);
 	int id = rdev_get_id(dev);
 	unsigned int reg;
+	bool rail_enable = true;
 
 	palmas_smps_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, &reg);
 	reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 
+	if (reg == SMPS_CTRL_MODE_OFF)
+		rail_enable = false;
+
 	switch (mode) {
 	case REGULATOR_MODE_NORMAL:
 		reg |= SMPS_CTRL_MODE_ON;
@@ -275,8 +327,11 @@ static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode)
 	default:
 		return -EINVAL;
 	}
-	palmas_smps_write(pmic->palmas, palmas_regs_info[id].ctrl_addr, reg);
 
+	pmic->current_reg_mode[id] = reg & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
+	if (rail_enable)
+		palmas_smps_write(pmic->palmas,
+			palmas_regs_info[id].ctrl_addr, reg);
 	return 0;
 }
 
@@ -286,9 +341,7 @@ static unsigned int palmas_get_mode_smps(struct regulator_dev *dev)
 	int id = rdev_get_id(dev);
 	unsigned int reg;
 
-	palmas_smps_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, &reg);
-	reg &= PALMAS_SMPS12_CTRL_STATUS_MASK;
-	reg >>= PALMAS_SMPS12_CTRL_STATUS_SHIFT;
+	reg = pmic->current_reg_mode[id] & PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 
 	switch (reg) {
 	case SMPS_CTRL_MODE_ON:
@@ -355,6 +408,63 @@ static int palmas_map_voltage_smps(struct regulator_dev *rdev,
 	return ret;
 }
 
+static int palma_smps_set_voltage_smps_time_sel(struct regulator_dev *rdev,
+	unsigned int old_selector, unsigned int new_selector)
+{
+	struct palmas_pmic *pmic = rdev_get_drvdata(rdev);
+	int id = rdev_get_id(rdev);
+	int old_uv, new_uv;
+	unsigned int ramp_delay = pmic->ramp_delay[id];
+
+	if (!ramp_delay)
+		return 0;
+
+	old_uv = palmas_list_voltage_smps(rdev, old_selector);
+	if (old_uv < 0)
+		return old_uv;
+
+	new_uv = palmas_list_voltage_smps(rdev, new_selector);
+	if (new_uv < 0)
+		return new_uv;
+
+	return DIV_ROUND_UP(abs(old_uv - new_uv), ramp_delay);
+}
+
+static int palmas_smps_set_ramp_delay(struct regulator_dev *rdev,
+		 int ramp_delay)
+{
+	struct palmas_pmic *pmic = rdev_get_drvdata(rdev);
+	int id = rdev_get_id(rdev);
+	unsigned int reg = 0;
+	unsigned int addr = palmas_regs_info[id].tstep_addr;
+	int ret;
+
+	/* SMPS3 and SMPS7 do not have tstep_addr setting */
+	switch (id) {
+	case PALMAS_REG_SMPS3:
+	case PALMAS_REG_SMPS7:
+		return 0;
+	}
+
+	if (ramp_delay <= 0)
+		reg = 0;
+	else if (ramp_delay <= 2500)
+		reg = 3;
+	else if (ramp_delay <= 5000)
+		reg = 2;
+	else
+		reg = 1;
+
+	ret = palmas_smps_write(pmic->palmas, addr, reg);
+	if (ret < 0) {
+		dev_err(pmic->palmas->dev, "TSTEP write failed: %d\n", ret);
+		return ret;
+	}
+
+	pmic->ramp_delay[id] = palmas_smps_ramp_delay[reg];
+	return ret;
+}
+
 static struct regulator_ops palmas_ops_smps = {
 	.is_enabled		= palmas_is_enabled_smps,
 	.enable			= palmas_enable_smps,
@@ -365,6 +475,8 @@ static struct regulator_ops palmas_ops_smps = {
 	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
 	.list_voltage		= palmas_list_voltage_smps,
 	.map_voltage		= palmas_map_voltage_smps,
+	.set_voltage_time_sel	= palma_smps_set_voltage_smps_time_sel,
+	.set_ramp_delay		= palmas_smps_set_ramp_delay,
 };
 
 static struct regulator_ops palmas_ops_smps10 = {
@@ -400,6 +512,12 @@ static struct regulator_ops palmas_ops_ldo = {
 	.map_voltage		= regulator_map_voltage_linear,
 };
 
+static struct regulator_ops palmas_ops_extreg = {
+	.is_enabled		= regulator_is_enabled_regmap,
+	.enable			= regulator_enable_regmap,
+	.disable		= regulator_disable_regmap,
+};
+
 /*
  * setup the hardware based sleep configuration of the SMPS/LDO regulators
  * from the platform data. This is different to the software based control
@@ -421,40 +539,32 @@ static int palmas_smps_init(struct palmas *palmas, int id,
 
 	switch (id) {
 	case PALMAS_REG_SMPS10:
-		if (reg_init->mode_sleep) {
-			reg &= ~PALMAS_SMPS10_CTRL_MODE_SLEEP_MASK;
+		reg &= ~PALMAS_SMPS10_CTRL_MODE_SLEEP_MASK;
+		if (reg_init->mode_sleep)
 			reg |= reg_init->mode_sleep <<
 					PALMAS_SMPS10_CTRL_MODE_SLEEP_SHIFT;
-		}
 		break;
 	default:
 		if (reg_init->warm_reset)
 			reg |= PALMAS_SMPS12_CTRL_WR_S;
+		else
+			reg &= ~PALMAS_SMPS12_CTRL_WR_S;
 
 		if (reg_init->roof_floor)
 			reg |= PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
+		else
+			reg &= ~PALMAS_SMPS12_CTRL_ROOF_FLOOR_EN;
 
-		if (reg_init->mode_sleep) {
-			reg &= ~PALMAS_SMPS12_CTRL_MODE_SLEEP_MASK;
+		reg &= ~PALMAS_SMPS12_CTRL_MODE_SLEEP_MASK;
+		if (reg_init->mode_sleep)
 			reg |= reg_init->mode_sleep <<
 					PALMAS_SMPS12_CTRL_MODE_SLEEP_SHIFT;
-		}
 	}
 
 	ret = palmas_smps_write(palmas, addr, reg);
 	if (ret)
 		return ret;
 
-	if (palmas_regs_info[id].tstep_addr && reg_init->tstep) {
-		addr = palmas_regs_info[id].tstep_addr;
-
-		reg = reg_init->tstep & PALMAS_SMPS12_TSTEP_TSTEP_MASK;
-
-		ret = palmas_smps_write(palmas, addr, reg);
-		if (ret)
-			return ret;
-	}
-
 	if (palmas_regs_info[id].vsel_addr && reg_init->vsel) {
 		addr = palmas_regs_info[id].vsel_addr;
 
@@ -484,9 +594,13 @@ static int palmas_ldo_init(struct palmas *palmas, int id,
 
 	if (reg_init->warm_reset)
 		reg |= PALMAS_LDO1_CTRL_WR_S;
+	else
+		reg &= ~PALMAS_LDO1_CTRL_WR_S;
 
 	if (reg_init->mode_sleep)
 		reg |= PALMAS_LDO1_CTRL_MODE_SLEEP;
+	else
+		reg &= ~PALMAS_LDO1_CTRL_MODE_SLEEP;
 
 	ret = palmas_ldo_write(palmas, addr, reg);
 	if (ret)
@@ -495,6 +609,68 @@ static int palmas_ldo_init(struct palmas *palmas, int id,
 	return 0;
 }
 
+static int palmas_extreg_init(struct palmas *palmas, int id,
+		struct palmas_reg_init *reg_init)
+{
+	unsigned int addr;
+	int ret;
+	unsigned int val = 0;
+
+	addr = palmas_regs_info[id].ctrl_addr;
+
+	if (reg_init->mode_sleep)
+		val = PALMAS_REGEN1_CTRL_MODE_SLEEP;
+
+	ret = palmas_update_bits(palmas, PALMAS_RESOURCE_BASE,
+			addr, PALMAS_REGEN1_CTRL_MODE_SLEEP, val);
+	if (ret < 0) {
+		dev_err(palmas->dev, "Resource reg 0x%02x update failed %d\n",
+			addr, ret);
+		return ret;
+	}
+	return 0;
+}
+
+static void palmas_enable_ldo8_track(struct palmas *palmas)
+{
+	unsigned int reg;
+	unsigned int addr;
+	int ret;
+
+	addr = palmas_regs_info[PALMAS_REG_LDO8].ctrl_addr;
+
+	ret = palmas_ldo_read(palmas, addr, &reg);
+	if (ret) {
+		dev_err(palmas->dev, "Error in reading ldo8 control reg\n");
+		return;
+	}
+
+	reg |= PALMAS_LDO8_CTRL_LDO_TRACKING_EN;
+	ret = palmas_ldo_write(palmas, addr, reg);
+	if (ret < 0) {
+		dev_err(palmas->dev, "Error in enabling tracking mode\n");
+		return;
+	}
+	/*
+	 * When SMPS45 is set to off and LDO8 tracking is enabled, the LDO8
+	 * output is defined by the LDO8_VOLTAGE.VSEL register divided by two,
+	 * and can be set from 0.45 to 1.65 V.
+	 */
+	addr = palmas_regs_info[PALMAS_REG_LDO8].vsel_addr;
+	ret = palmas_ldo_read(palmas, addr, &reg);
+	if (ret) {
+		dev_err(palmas->dev, "Error in reading ldo8 voltage reg\n");
+		return;
+	}
+
+	reg = (reg << 1) & PALMAS_LDO8_VOLTAGE_VSEL_MASK;
+	ret = palmas_ldo_write(palmas, addr, reg);
+	if (ret < 0)
+		dev_err(palmas->dev, "Error in setting ldo8 voltage reg\n");
+
+	return;
+}
+
 static struct of_regulator_match palmas_matches[] = {
 	{ .name = "smps12", },
 	{ .name = "smps123", },
@@ -517,6 +693,11 @@ static struct of_regulator_match palmas_matches[] = {
 	{ .name = "ldo9", },
 	{ .name = "ldoln", },
 	{ .name = "ldousb", },
+	{ .name = "regen1", },
+	{ .name = "regen2", },
+	{ .name = "regen3", },
+	{ .name = "sysen1", },
+	{ .name = "sysen2", },
 };
 
 static void palmas_dt_to_pdata(struct device *dev,
@@ -552,39 +733,36 @@ static void palmas_dt_to_pdata(struct device *dev,
 		pdata->reg_init[idx] = devm_kzalloc(dev,
 				sizeof(struct palmas_reg_init), GFP_KERNEL);
 
-		ret = of_property_read_u32(palmas_matches[idx].of_node,
-				"ti,warm_reset", &prop);
-		if (!ret)
-			pdata->reg_init[idx]->warm_reset = prop;
+		pdata->reg_init[idx]->warm_reset =
+			of_property_read_bool(palmas_matches[idx].of_node,
+					     "ti,warm-reset");
 
-		ret = of_property_read_u32(palmas_matches[idx].of_node,
-				"ti,roof_floor", &prop);
-		if (!ret)
-			pdata->reg_init[idx]->roof_floor = prop;
+		pdata->reg_init[idx]->roof_floor =
+			of_property_read_bool(palmas_matches[idx].of_node,
+					      "ti,roof-floor");
 
 		ret = of_property_read_u32(palmas_matches[idx].of_node,
-				"ti,mode_sleep", &prop);
+				"ti,mode-sleep", &prop);
 		if (!ret)
 			pdata->reg_init[idx]->mode_sleep = prop;
 
-		ret = of_property_read_u32(palmas_matches[idx].of_node,
-				"ti,tstep", &prop);
-		if (!ret)
-			pdata->reg_init[idx]->tstep = prop;
+		ret = of_property_read_bool(palmas_matches[idx].of_node,
+					    "ti,smps-range");
+		if (ret)
+			pdata->reg_init[idx]->vsel =
+				PALMAS_SMPS12_VOLTAGE_RANGE;
 
-		ret = of_property_read_u32(palmas_matches[idx].of_node,
-				"ti,vsel", &prop);
-		if (!ret)
-			pdata->reg_init[idx]->vsel = prop;
+		if (idx == PALMAS_REG_LDO8)
+			pdata->enable_ldo8_tracking = of_property_read_bool(
+						palmas_matches[idx].of_node,
+						"ti,enable-ldo8-tracking");
 	}
 
-	ret = of_property_read_u32(node, "ti,ldo6_vibrator", &prop);
-	if (!ret)
-		pdata->ldo6_vibrator = prop;
+	pdata->ldo6_vibrator = of_property_read_bool(node, "ti,ldo6-vibrator");
 }
 
 
-static int palmas_probe(struct platform_device *pdev)
+static int palmas_regulators_probe(struct platform_device *pdev)
 {
 	struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
 	struct palmas_pmic_platform_data *pdata = pdev->dev.platform_data;
@@ -629,6 +807,7 @@ static int palmas_probe(struct platform_device *pdev)
 	config.driver_data = pmic;
 
 	for (id = 0; id < PALMAS_REG_LDO1; id++) {
+		bool ramp_delay_support = false;
 
 		/*
 		 * Miss out regulators which are not available due
@@ -639,19 +818,42 @@ static int palmas_probe(struct platform_device *pdev)
 		case PALMAS_REG_SMPS3:
 			if (pmic->smps123)
 				continue;
+			if (id == PALMAS_REG_SMPS12)
+				ramp_delay_support = true;
 			break;
 		case PALMAS_REG_SMPS123:
 			if (!pmic->smps123)
 				continue;
+			ramp_delay_support = true;
 			break;
 		case PALMAS_REG_SMPS45:
 		case PALMAS_REG_SMPS7:
 			if (pmic->smps457)
 				continue;
+			if (id == PALMAS_REG_SMPS45)
+				ramp_delay_support = true;
 			break;
 		case PALMAS_REG_SMPS457:
 			if (!pmic->smps457)
 				continue;
+			ramp_delay_support = true;
+			break;
+		}
+
+		if ((id == PALMAS_REG_SMPS6) && (id == PALMAS_REG_SMPS8))
+			ramp_delay_support = true;
+
+		if (ramp_delay_support) {
+			addr = palmas_regs_info[id].tstep_addr;
+			ret = palmas_smps_read(pmic->palmas, addr, &reg);
+			if (ret < 0) {
+				dev_err(&pdev->dev,
+					"reading TSTEP reg failed: %d\n", ret);
+				goto err_unregister_regulator;
+			}
+			pmic->desc[id].ramp_delay =
+					palmas_smps_ramp_delay[reg & 0x3];
+			pmic->ramp_delay[id] = pmic->desc[id].ramp_delay;
 		}
 
 		/* Initialise sleep/init values from platform data */
@@ -685,7 +887,8 @@ static int palmas_probe(struct platform_device *pdev)
 			/*
 			 * Read and store the RANGE bit for later use
 			 * This must be done before regulator is probed,
-			 * otherwise we error in probe with unsupportable ranges.
+			 * otherwise we error in probe with unsupportable
+			 * ranges. Read the current smps mode for later use.
 			 */
 			addr = palmas_regs_info[id].vsel_addr;
 
@@ -702,6 +905,14 @@ static int palmas_probe(struct platform_device *pdev)
 						palmas_regs_info[id].vsel_addr);
 			pmic->desc[id].vsel_mask =
 					PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
+
+			/* Read the smps mode for later use. */
+			addr = palmas_regs_info[id].ctrl_addr;
+			ret = palmas_smps_read(pmic->palmas, addr, &reg);
+			if (ret)
+				goto err_unregister_regulator;
+			pmic->current_reg_mode[id] = reg &
+					PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
 		}
 
 		pmic->desc[id].type = REGULATOR_VOLTAGE;
@@ -712,6 +923,7 @@ static int palmas_probe(struct platform_device *pdev)
 		else
 			config.init_data = NULL;
 
+		pmic->desc[id].supply_name = palmas_regs_info[id].sname;
 		config.of_node = palmas_matches[id].of_node;
 
 		rdev = regulator_register(&pmic->desc[id], &config);
@@ -737,27 +949,49 @@ static int palmas_probe(struct platform_device *pdev)
 		/* Register the regulators */
 		pmic->desc[id].name = palmas_regs_info[id].name;
 		pmic->desc[id].id = id;
-		pmic->desc[id].n_voltages = PALMAS_LDO_NUM_VOLTAGES;
-
-		pmic->desc[id].ops = &palmas_ops_ldo;
-
 		pmic->desc[id].type = REGULATOR_VOLTAGE;
 		pmic->desc[id].owner = THIS_MODULE;
-		pmic->desc[id].min_uV = 900000;
-		pmic->desc[id].uV_step = 50000;
-		pmic->desc[id].linear_min_sel = 1;
-		pmic->desc[id].vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
+
+		if (id < PALMAS_REG_REGEN1) {
+			pmic->desc[id].n_voltages = PALMAS_LDO_NUM_VOLTAGES;
+			pmic->desc[id].ops = &palmas_ops_ldo;
+			pmic->desc[id].min_uV = 900000;
+			pmic->desc[id].uV_step = 50000;
+			pmic->desc[id].linear_min_sel = 1;
+			pmic->desc[id].vsel_reg =
+					PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
 						palmas_regs_info[id].vsel_addr);
-		pmic->desc[id].vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;
-		pmic->desc[id].enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
+			pmic->desc[id].vsel_mask =
+					PALMAS_LDO1_VOLTAGE_VSEL_MASK;
+			pmic->desc[id].enable_reg =
+					PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
+						palmas_regs_info[id].ctrl_addr);
+			pmic->desc[id].enable_mask =
+					PALMAS_LDO1_CTRL_MODE_ACTIVE;
+
+			/* Check if LDO8 is in tracking mode or not */
+			if (pdata && (id == PALMAS_REG_LDO8) &&
+					pdata->enable_ldo8_tracking) {
+				palmas_enable_ldo8_track(palmas);
+				pmic->desc[id].min_uV = 450000;
+				pmic->desc[id].uV_step = 25000;
+			}
+		} else {
+			pmic->desc[id].n_voltages = 1;
+			pmic->desc[id].ops = &palmas_ops_extreg;
+			pmic->desc[id].enable_reg =
+					PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
 						palmas_regs_info[id].ctrl_addr);
-		pmic->desc[id].enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
+			pmic->desc[id].enable_mask =
+					PALMAS_REGEN1_CTRL_MODE_ACTIVE;
+		}
 
 		if (pdata)
 			config.init_data = pdata->reg_data[id];
 		else
 			config.init_data = NULL;
 
+		pmic->desc[id].supply_name = palmas_regs_info[id].sname;
 		config.of_node = palmas_matches[id].of_node;
 
 		rdev = regulator_register(&pmic->desc[id], &config);
@@ -776,7 +1010,12 @@ static int palmas_probe(struct platform_device *pdev)
 		if (pdata) {
 			reg_init = pdata->reg_init[id];
 			if (reg_init) {
-				ret = palmas_ldo_init(palmas, id, reg_init);
+				if (id < PALMAS_REG_REGEN1)
+					ret = palmas_ldo_init(palmas,
+							id, reg_init);
+				else
+					ret = palmas_extreg_init(palmas,
+							id, reg_init);
 				if (ret) {
 					regulator_unregister(pmic->rdev[id]);
 					goto err_unregister_regulator;
@@ -785,6 +1024,7 @@ static int palmas_probe(struct platform_device *pdev)
 		}
 	}
 
+
 	return 0;
 
 err_unregister_regulator:
@@ -793,7 +1033,7 @@ err_unregister_regulator:
 	return ret;
 }
 
-static int palmas_remove(struct platform_device *pdev)
+static int palmas_regulators_remove(struct platform_device *pdev)
 {
 	struct palmas_pmic *pmic = platform_get_drvdata(pdev);
 	int id;
@@ -805,6 +1045,12 @@ static int palmas_remove(struct platform_device *pdev)
 
 static struct of_device_id of_palmas_match_tbl[] = {
 	{ .compatible = "ti,palmas-pmic", },
+	{ .compatible = "ti,twl6035-pmic", },
+	{ .compatible = "ti,twl6036-pmic", },
+	{ .compatible = "ti,twl6037-pmic", },
+	{ .compatible = "ti,tps65913-pmic", },
+	{ .compatible = "ti,tps65914-pmic", },
+	{ .compatible = "ti,tps80036-pmic", },
 	{ /* end */ }
 };
 
@@ -814,8 +1060,8 @@ static struct platform_driver palmas_driver = {
 		.of_match_table = of_palmas_match_tbl,
 		.owner = THIS_MODULE,
 	},
-	.probe = palmas_probe,
-	.remove = palmas_remove,
+	.probe = palmas_regulators_probe,
+	.remove = palmas_regulators_remove,
 };
 
 static int __init palmas_init(void)
diff --git a/drivers/regulator/rc5t583-regulator.c b/drivers/regulator/rc5t583-regulator.c
index 9e6f78694bf1..5885b4504596 100644
--- a/drivers/regulator/rc5t583-regulator.c
+++ b/drivers/regulator/rc5t583-regulator.c
@@ -49,10 +49,6 @@ struct rc5t583_regulator_info {
 
 struct rc5t583_regulator {
 	struct rc5t583_regulator_info *reg_info;
-
-	/* Devices */
-	struct device		*dev;
-	struct rc5t583		*mfd;
 	struct regulator_dev	*rdev;
 };
 
@@ -155,8 +151,6 @@ static int rc5t583_regulator_probe(struct platform_device *pdev)
 		reg = &regs[id];
 		ri = &rc5t583_reg_info[id];
 		reg->reg_info = ri;
-		reg->mfd = rc5t583;
-		reg->dev = &pdev->dev;
 
 		if (ri->deepsleep_id == RC5T583_DS_NONE)
 			goto skip_ext_pwr_config;
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index 8a831947c351..c24448bc43cf 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -549,7 +549,7 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev,
 
 	rmode = devm_kzalloc(&pdev->dev, sizeof(*rmode) *
 				pdata->num_regulators, GFP_KERNEL);
-	if (!rdata) {
+	if (!rmode) {
 		dev_err(iodev->dev,
 			"could not allocate memory for regulator mode\n");
 		return -ENOMEM;
@@ -923,8 +923,7 @@ static int s5m8767_pmic_probe(struct platform_device *pdev)
 	return 0;
 err:
 	for (i = 0; i < s5m8767->num_regulators; i++)
-		if (rdev[i])
-			regulator_unregister(rdev[i]);
+		regulator_unregister(rdev[i]);
 
 	return ret;
 }
@@ -936,8 +935,7 @@ static int s5m8767_pmic_remove(struct platform_device *pdev)
 	int i;
 
 	for (i = 0; i < s5m8767->num_regulators; i++)
-		if (rdev[i])
-			regulator_unregister(rdev[i]);
+		regulator_unregister(rdev[i]);
 
 	return 0;
 }
diff --git a/drivers/regulator/tps62360-regulator.c b/drivers/regulator/tps62360-regulator.c
index acbd63fde415..612919c3081c 100644
--- a/drivers/regulator/tps62360-regulator.c
+++ b/drivers/regulator/tps62360-regulator.c
@@ -278,7 +278,7 @@ static int tps62360_init_dcdc(struct tps62360_chip *tps,
 			__func__, REG_RAMPCTRL, ret);
 		return ret;
 	}
-	ramp_ctrl = (ramp_ctrl >> 4) & 0x7;
+	ramp_ctrl = (ramp_ctrl >> 5) & 0x7;
 
 	/* ramp mV/us = 32/(2^ramp_ctrl) */
 	tps->desc.ramp_delay = DIV_ROUND_UP(32000, BIT(ramp_ctrl));
diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c
index 9b9af6d889c8..9d053e23e9eb 100644
--- a/drivers/regulator/tps65023-regulator.c
+++ b/drivers/regulator/tps65023-regulator.c
@@ -107,12 +107,7 @@ static const unsigned int DCDC_FIXED_1800000_VSEL_table[] = {
 };
 
 /* Supported voltage values for LDO regulators for tps65020 */
-static const unsigned int TPS65020_LDO1_VSEL_table[] = {
-	1000000, 1050000, 1100000, 1300000,
-	1800000, 2500000, 3000000, 3300000,
-};
-
-static const unsigned int TPS65020_LDO2_VSEL_table[] = {
+static const unsigned int TPS65020_LDO_VSEL_table[] = {
 	1000000, 1050000, 1100000, 1300000,
 	1800000, 2500000, 3000000, 3300000,
 };
@@ -154,20 +149,15 @@ struct tps_driver_data {
 static int tps65023_dcdc_get_voltage_sel(struct regulator_dev *dev)
 {
 	struct tps_pmic *tps = rdev_get_drvdata(dev);
-	int ret;
-	int data, dcdc = rdev_get_id(dev);
+	int dcdc = rdev_get_id(dev);
 
 	if (dcdc < TPS65023_DCDC_1 || dcdc > TPS65023_DCDC_3)
 		return -EINVAL;
 
-	if (dcdc == tps->core_regulator) {
-		ret = regmap_read(tps->regmap, TPS65023_REG_DEF_CORE, &data);
-		if (ret != 0)
-			return ret;
-		data &= (tps->info[dcdc]->table_len - 1);
-		return data;
-	} else
+	if (dcdc != tps->core_regulator)
 		return 0;
+
+	return regulator_get_voltage_sel_regmap(dev);
 }
 
 static int tps65023_dcdc_set_voltage_sel(struct regulator_dev *dev,
@@ -175,23 +165,11 @@ static int tps65023_dcdc_set_voltage_sel(struct regulator_dev *dev,
 {
 	struct tps_pmic *tps = rdev_get_drvdata(dev);
 	int dcdc = rdev_get_id(dev);
-	int ret;
 
 	if (dcdc != tps->core_regulator)
 		return -EINVAL;
 
-	ret = regmap_write(tps->regmap, TPS65023_REG_DEF_CORE, selector);
-	if (ret)
-		goto out;
-
-	/* Tell the chip that we have changed the value in DEFCORE
-	 * and its time to update the core voltage
-	 */
-	ret = regmap_update_bits(tps->regmap, TPS65023_REG_CON_CTRL2,
-				 TPS65023_REG_CTRL2_GO, TPS65023_REG_CTRL2_GO);
-
-out:
-	return ret;
+	return regulator_set_voltage_sel_regmap(dev, selector);
 }
 
 /* Operations permitted on VDCDCx */
@@ -202,6 +180,7 @@ static struct regulator_ops tps65023_dcdc_ops = {
 	.get_voltage_sel = tps65023_dcdc_get_voltage_sel,
 	.set_voltage_sel = tps65023_dcdc_set_voltage_sel,
 	.list_voltage = regulator_list_voltage_table,
+	.map_voltage = regulator_map_voltage_ascend,
 };
 
 /* Operations permitted on LDOx */
@@ -212,6 +191,7 @@ static struct regulator_ops tps65023_ldo_ops = {
 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
 	.list_voltage = regulator_list_voltage_table,
+	.map_voltage = regulator_map_voltage_ascend,
 };
 
 static struct regmap_config tps65023_regmap_config = {
@@ -285,6 +265,10 @@ static int tps_65023_probe(struct i2c_client *client,
 		default: /* DCDCx */
 			tps->desc[i].enable_mask =
 					1 << (TPS65023_NUM_REGULATOR - i);
+			tps->desc[i].vsel_reg = TPS65023_REG_DEF_CORE;
+			tps->desc[i].vsel_mask = info->table_len - 1;
+			tps->desc[i].apply_reg = TPS65023_REG_CON_CTRL2;
+			tps->desc[i].apply_bit = TPS65023_REG_CTRL2_GO;
 		}
 
 		config.dev = &client->dev;
@@ -347,13 +331,13 @@ static const struct tps_info tps65020_regs[] = {
 	},
 	{
 		.name = "LDO1",
-		.table_len = ARRAY_SIZE(TPS65020_LDO1_VSEL_table),
-		.table = TPS65020_LDO1_VSEL_table,
+		.table_len = ARRAY_SIZE(TPS65020_LDO_VSEL_table),
+		.table = TPS65020_LDO_VSEL_table,
 	},
 	{
 		.name = "LDO2",
-		.table_len = ARRAY_SIZE(TPS65020_LDO2_VSEL_table),
-		.table = TPS65020_LDO2_VSEL_table,
+		.table_len = ARRAY_SIZE(TPS65020_LDO_VSEL_table),
+		.table = TPS65020_LDO_VSEL_table,
 	},
 };
 
diff --git a/drivers/regulator/tps6507x-regulator.c b/drivers/regulator/tps6507x-regulator.c
index 54aa2da7283b..4117ff52dba1 100644
--- a/drivers/regulator/tps6507x-regulator.c
+++ b/drivers/regulator/tps6507x-regulator.c
@@ -356,6 +356,7 @@ static struct regulator_ops tps6507x_pmic_ops = {
 	.get_voltage_sel = tps6507x_pmic_get_voltage_sel,
 	.set_voltage_sel = tps6507x_pmic_set_voltage_sel,
 	.list_voltage = regulator_list_voltage_table,
+	.map_voltage = regulator_map_voltage_ascend,
 };
 
 #ifdef CONFIG_OF
diff --git a/drivers/regulator/tps6524x-regulator.c b/drivers/regulator/tps6524x-regulator.c
index 843ee0a9bb92..1094393155ed 100644
--- a/drivers/regulator/tps6524x-regulator.c
+++ b/drivers/regulator/tps6524x-regulator.c
@@ -572,6 +572,7 @@ static struct regulator_ops regulator_ops = {
 	.get_voltage_sel	= get_voltage_sel,
 	.set_voltage_sel	= set_voltage_sel,
 	.list_voltage		= regulator_list_voltage_table,
+	.map_voltage		= regulator_map_voltage_ascend,
 	.set_current_limit	= set_current_limit,
 	.get_current_limit	= get_current_limit,
 };
@@ -584,8 +585,7 @@ static int pmic_remove(struct spi_device *spi)
 	if (!hw)
 		return 0;
 	for (i = 0; i < N_REGULATORS; i++) {
-		if (hw->rdev[i])
-			regulator_unregister(hw->rdev[i]);
+		regulator_unregister(hw->rdev[i]);
 		hw->rdev[i] = NULL;
 	}
 	spi_set_drvdata(spi, NULL);
diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c
index e68382d0e1ea..d8fa37d5c734 100644
--- a/drivers/regulator/tps6586x-regulator.c
+++ b/drivers/regulator/tps6586x-regulator.c
@@ -70,6 +70,7 @@ static inline struct device *to_tps6586x_dev(struct regulator_dev *rdev)
 
 static struct regulator_ops tps6586x_regulator_ops = {
 	.list_voltage = regulator_list_voltage_table,
+	.map_voltage = regulator_map_voltage_ascend,
 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
 
@@ -245,7 +246,7 @@ static int tps6586x_regulator_set_slew_rate(struct platform_device *pdev,
 		reg = TPS6586X_SM1SL;
 		break;
 	default:
-		dev_warn(&pdev->dev, "Only SM0/SM1 can set slew rate\n");
+		dev_err(&pdev->dev, "Only SM0/SM1 can set slew rate\n");
 		return -EINVAL;
 	}
 
@@ -304,14 +305,12 @@ static struct tps6586x_platform_data *tps6586x_parse_regulator_dt(
 	}
 
 	err = of_regulator_match(&pdev->dev, regs, tps6586x_matches, num);
+	of_node_put(regs);
 	if (err < 0) {
 		dev_err(&pdev->dev, "Regulator match failed, e %d\n", err);
-		of_node_put(regs);
 		return NULL;
 	}
 
-	of_node_put(regs);
-
 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
 	if (!pdata) {
 		dev_err(&pdev->dev, "Memory alloction failed\n");
diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c
index 6ba6931ac855..45c16447744b 100644
--- a/drivers/regulator/tps65910-regulator.c
+++ b/drivers/regulator/tps65910-regulator.c
@@ -748,6 +748,7 @@ static struct regulator_ops tps65910_ops_dcdc = {
 	.set_voltage_sel	= tps65910_set_voltage_dcdc_sel,
 	.set_voltage_time_sel	= regulator_set_voltage_time_sel,
 	.list_voltage		= tps65910_list_voltage_dcdc,
+	.map_voltage		= regulator_map_voltage_ascend,
 };
 
 static struct regulator_ops tps65910_ops_vdd3 = {
@@ -758,6 +759,7 @@ static struct regulator_ops tps65910_ops_vdd3 = {
 	.get_mode		= tps65910_get_mode,
 	.get_voltage		= tps65910_get_voltage_vdd3,
 	.list_voltage		= regulator_list_voltage_table,
+	.map_voltage		= regulator_map_voltage_ascend,
 };
 
 static struct regulator_ops tps65910_ops = {
@@ -769,6 +771,7 @@ static struct regulator_ops tps65910_ops = {
 	.get_voltage_sel	= tps65910_get_voltage_sel,
 	.set_voltage_sel	= tps65910_set_voltage_sel,
 	.list_voltage		= regulator_list_voltage_table,
+	.map_voltage		= regulator_map_voltage_ascend,
 };
 
 static struct regulator_ops tps65911_ops = {
@@ -780,6 +783,7 @@ static struct regulator_ops tps65911_ops = {
 	.get_voltage_sel	= tps65911_get_voltage_sel,
 	.set_voltage_sel	= tps65911_set_voltage_sel,
 	.list_voltage		= tps65911_list_voltage,
+	.map_voltage		= regulator_map_voltage_ascend,
 };
 
 static int tps65910_set_ext_sleep_config(struct tps65910_reg *pmic,
diff --git a/drivers/regulator/tps80031-regulator.c b/drivers/regulator/tps80031-regulator.c
index 9019d0e7ecb6..6511d0bfd896 100644
--- a/drivers/regulator/tps80031-regulator.c
+++ b/drivers/regulator/tps80031-regulator.c
@@ -238,12 +238,11 @@ static int tps80031_dcdc_get_voltage_sel(struct regulator_dev *rdev)
 	return vsel & SMPS_VSEL_MASK;
 }
 
-static int tps80031_ldo_set_voltage_sel(struct regulator_dev *rdev,
-		unsigned sel)
+static int tps80031_ldo_list_voltage(struct regulator_dev *rdev,
+				     unsigned int sel)
 {
 	struct tps80031_regulator *ri = rdev_get_drvdata(rdev);
 	struct device *parent = to_tps80031_dev(rdev);
-	int ret;
 
 	/* Check for valid setting for TPS80031 or TPS80032-ES1.0 */
 	if ((ri->rinfo->desc.id == TPS80031_REGULATOR_LDO2) &&
@@ -260,28 +259,27 @@ static int tps80031_ldo_set_voltage_sel(struct regulator_dev *rdev,
 		}
 	}
 
-	ret = tps80031_write(parent, ri->rinfo->volt_id,
-			ri->rinfo->volt_reg, sel);
-	if (ret < 0)
-		dev_err(ri->dev, "Error in writing reg 0x%02x, e = %d\n",
-			ri->rinfo->volt_reg, ret);
-	return ret;
+	return regulator_list_voltage_linear(rdev, sel);
 }
 
-static int tps80031_ldo_get_voltage_sel(struct regulator_dev *rdev)
+static int tps80031_ldo_map_voltage(struct regulator_dev *rdev,
+				    int min_uV, int max_uV)
 {
 	struct tps80031_regulator *ri = rdev_get_drvdata(rdev);
 	struct device *parent = to_tps80031_dev(rdev);
-	uint8_t vsel;
-	int ret;
 
-	ret = tps80031_read(parent, ri->rinfo->volt_id,
-				ri->rinfo->volt_reg, &vsel);
-	if (ret < 0) {
-		dev_err(ri->dev, "Error in writing the Voltage register\n");
-		return ret;
+	/* Check for valid setting for TPS80031 or TPS80032-ES1.0 */
+	if ((ri->rinfo->desc.id == TPS80031_REGULATOR_LDO2) &&
+			(ri->device_flags & TRACK_MODE_ENABLE)) {
+		if (((tps80031_get_chip_info(parent) == TPS80031) ||
+			((tps80031_get_chip_info(parent) == TPS80032) &&
+			(tps80031_get_pmu_version(parent) == 0x0)))) {
+			return regulator_map_voltage_iterate(rdev, min_uV,
+							     max_uV);
+		}
 	}
-	return vsel & rdev->desc->vsel_mask;
+
+	return regulator_map_voltage_linear(rdev, min_uV, max_uV);
 }
 
 static int tps80031_vbus_is_enabled(struct regulator_dev *rdev)
@@ -390,9 +388,10 @@ static struct regulator_ops tps80031_dcdc_ops = {
 };
 
 static struct regulator_ops tps80031_ldo_ops = {
-	.list_voltage		= regulator_list_voltage_linear,
-	.set_voltage_sel	= tps80031_ldo_set_voltage_sel,
-	.get_voltage_sel	= tps80031_ldo_get_voltage_sel,
+	.list_voltage		= tps80031_ldo_list_voltage,
+	.map_voltage		= tps80031_ldo_map_voltage,
+	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
+	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
 	.enable			= tps80031_reg_enable,
 	.disable		= tps80031_reg_disable,
 	.is_enabled		= tps80031_reg_is_enabled,
@@ -459,6 +458,7 @@ static struct regulator_ops tps80031_ext_reg_ops = {
 		.uV_step = 100000,				\
 		.linear_min_sel = 1,				\
 		.n_voltages = 25,				\
+		.vsel_reg = TPS80031_##_id##_CFG_VOLTAGE,	\
 		.vsel_mask = LDO_VSEL_MASK,			\
 		.enable_time = 500,				\
 	},							\
@@ -680,6 +680,7 @@ static int tps80031_regulator_probe(struct platform_device *pdev)
 	struct tps80031_regulator *pmic;
 	struct regulator_dev *rdev;
 	struct regulator_config config = { };
+	struct tps80031 *tps80031_mfd = dev_get_drvdata(pdev->dev.parent);
 	int ret;
 	int num;
 
@@ -707,6 +708,8 @@ static int tps80031_regulator_probe(struct platform_device *pdev)
 		config.dev = &pdev->dev;
 		config.init_data = NULL;
 		config.driver_data = ri;
+		config.regmap = tps80031_mfd->regmap[ri->rinfo->volt_id];
+
 		if (tps_pdata) {
 			config.init_data = tps_pdata->reg_init_data;
 			ri->config_flags = tps_pdata->config_flags;
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 74508cc62d67..fb6e67d74ffb 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -441,12 +441,6 @@ static const u16 VSIM_VSEL_table[] = {
 static const u16 VDAC_VSEL_table[] = {
 	1200, 1300, 1800, 1800,
 };
-static const u16 VDD1_VSEL_table[] = {
-	800, 1450,
-};
-static const u16 VDD2_VSEL_table[] = {
-	800, 1450, 1500,
-};
 static const u16 VIO_VSEL_table[] = {
 	1800, 1850,
 };
@@ -471,24 +465,23 @@ twl4030ldo_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
 			    selector);
 }
 
-static int twl4030ldo_get_voltage(struct regulator_dev *rdev)
+static int twl4030ldo_get_voltage_sel(struct regulator_dev *rdev)
 {
 	struct twlreg_info	*info = rdev_get_drvdata(rdev);
-	int		vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER,
-								VREG_VOLTAGE);
+	int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE);
 
 	if (vsel < 0)
 		return vsel;
 
 	vsel &= info->table_len - 1;
-	return LDO_MV(info->table[vsel]) * 1000;
+	return vsel;
 }
 
 static struct regulator_ops twl4030ldo_ops = {
 	.list_voltage	= twl4030ldo_list_voltage,
 
 	.set_voltage_sel = twl4030ldo_set_voltage_sel,
-	.get_voltage	= twl4030ldo_get_voltage,
+	.get_voltage_sel = twl4030ldo_get_voltage_sel,
 
 	.enable		= twl4030reg_enable,
 	.disable	= twl4030reg_disable,
@@ -616,18 +609,8 @@ static struct regulator_ops twl6030ldo_ops = {
 
 /*----------------------------------------------------------------------*/
 
-/*
- * Fixed voltage LDOs don't have a VSEL field to update.
- */
-static int twlfixed_list_voltage(struct regulator_dev *rdev, unsigned index)
-{
-	struct twlreg_info	*info = rdev_get_drvdata(rdev);
-
-	return info->min_mV * 1000;
-}
-
 static struct regulator_ops twl4030fixed_ops = {
-	.list_voltage	= twlfixed_list_voltage,
+	.list_voltage	= regulator_list_voltage_linear,
 
 	.enable		= twl4030reg_enable,
 	.disable	= twl4030reg_disable,
@@ -639,7 +622,7 @@ static struct regulator_ops twl4030fixed_ops = {
 };
 
 static struct regulator_ops twl6030fixed_ops = {
-	.list_voltage	= twlfixed_list_voltage,
+	.list_voltage	= regulator_list_voltage_linear,
 
 	.enable		= twl6030reg_enable,
 	.disable	= twl6030reg_disable,
@@ -945,19 +928,7 @@ static const struct twlreg_info TWLFIXED_INFO_##label = { \
 		.ops = &operations, \
 		.type = REGULATOR_VOLTAGE, \
 		.owner = THIS_MODULE, \
-		.enable_time = turnon_delay, \
-		}, \
-	}
-
-#define TWL6030_FIXED_RESOURCE(label, offset, turnon_delay) \
-static struct twlreg_info TWLRES_INFO_##label = { \
-	.base = offset, \
-	.desc = { \
-		.name = #label, \
-		.id = TWL6030_REG_##label, \
-		.ops = &twl6030_fixed_resource, \
-		.type = REGULATOR_VOLTAGE, \
-		.owner = THIS_MODULE, \
+		.min_uV = mVolts * 1000, \
 		.enable_time = turnon_delay, \
 		}, \
 	}
diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c
index 6ff872342648..a612c356a697 100644
--- a/drivers/regulator/wm8994-regulator.c
+++ b/drivers/regulator/wm8994-regulator.c
@@ -18,6 +18,7 @@
 #include <linux/err.h>
 #include <linux/platform_device.h>
 #include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
 #include <linux/gpio.h>
 #include <linux/slab.h>
 
@@ -28,6 +29,8 @@
 struct wm8994_ldo {
 	struct regulator_dev *regulator;
 	struct wm8994 *wm8994;
+	struct regulator_consumer_supply supply;
+	struct regulator_init_data init_data;
 };
 
 #define WM8994_LDO1_MAX_SELECTOR 0x7
@@ -99,6 +102,26 @@ static const struct regulator_desc wm8994_ldo_desc[] = {
 	},
 };
 
+static const struct regulator_consumer_supply wm8994_ldo_consumer[] = {
+	{ .supply = "AVDD1" },
+	{ .supply = "DCVDD" },
+};
+
+static const struct regulator_init_data wm8994_ldo_default[] = {
+	{
+		.constraints = {
+			.valid_ops_mask = REGULATOR_CHANGE_STATUS,
+		},
+		.num_consumer_supplies = 1,
+	},
+	{
+		.constraints = {
+			.valid_ops_mask = REGULATOR_CHANGE_STATUS,
+		},
+		.num_consumer_supplies = 1,
+	},
+};
+
 static int wm8994_ldo_probe(struct platform_device *pdev)
 {
 	struct wm8994 *wm8994 = dev_get_drvdata(pdev->dev.parent);
@@ -117,13 +140,29 @@ static int wm8994_ldo_probe(struct platform_device *pdev)
 	}
 
 	ldo->wm8994 = wm8994;
+	ldo->supply = wm8994_ldo_consumer[id];
+	ldo->supply.dev_name = dev_name(wm8994->dev);
 
 	config.dev = wm8994->dev;
 	config.driver_data = ldo;
 	config.regmap = wm8994->regmap;
-	if (pdata) {
-		config.init_data = pdata->ldo[id].init_data;
+	config.init_data = &ldo->init_data;
+	if (pdata)
 		config.ena_gpio = pdata->ldo[id].enable;
+	else if (wm8994->dev->of_node)
+		config.ena_gpio = wm8994->pdata.ldo[id].enable;
+
+	/* Use default constraints if none set up */
+	if (!pdata || !pdata->ldo[id].init_data || wm8994->dev->of_node) {
+		dev_dbg(wm8994->dev, "Using default init data, supply %s %s\n",
+			ldo->supply.dev_name, ldo->supply.supply);
+
+		ldo->init_data = wm8994_ldo_default[id];
+		ldo->init_data.consumer_supplies = &ldo->supply;
+		if (!config.ena_gpio)
+			ldo->init_data.constraints.valid_ops_mask = 0;
+	} else {
+		ldo->init_data = *pdata->ldo[id].init_data;
 	}
 
 	ldo->regulator = regulator_register(&wm8994_ldo_desc[id], &config);
@@ -162,23 +201,7 @@ static struct platform_driver wm8994_ldo_driver = {
 	},
 };
 
-static int __init wm8994_ldo_init(void)
-{
-	int ret;
-
-	ret = platform_driver_register(&wm8994_ldo_driver);
-	if (ret != 0)
-		pr_err("Failed to register Wm8994 GP LDO driver: %d\n", ret);
-
-	return ret;
-}
-subsys_initcall(wm8994_ldo_init);
-
-static void __exit wm8994_ldo_exit(void)
-{
-	platform_driver_unregister(&wm8994_ldo_driver);
-}
-module_exit(wm8994_ldo_exit);
+module_platform_driver(wm8994_ldo_driver);
 
 /* Module information */
 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");