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-rw-r--r--include/linux/mfd/max14577-private.h330
-rw-r--r--include/linux/mfd/max14577.h69
2 files changed, 399 insertions, 0 deletions
diff --git a/include/linux/mfd/max14577-private.h b/include/linux/mfd/max14577-private.h
new file mode 100644
index 000000000000..a3d0185196d3
--- /dev/null
+++ b/include/linux/mfd/max14577-private.h
@@ -0,0 +1,330 @@
+/*
+ * max14577-private.h - Common API for the Maxim 14577 internal sub chip
+ *
+ * Copyright (C) 2013 Samsung Electrnoics
+ * Chanwoo Choi <cw00.choi@samsung.com>
+ * Krzysztof Kozlowski <k.kozlowski@samsung.com>
+ *
+ * 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 Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __MAX14577_PRIVATE_H__
+#define __MAX14577_PRIVATE_H__
+
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+
+#define MAX14577_REG_INVALID (0xff)
+
+/* Slave addr = 0x4A: Interrupt */
+enum max14577_reg {
+ MAX14577_REG_DEVICEID = 0x00,
+ MAX14577_REG_INT1 = 0x01,
+ MAX14577_REG_INT2 = 0x02,
+ MAX14577_REG_INT3 = 0x03,
+ MAX14577_REG_STATUS1 = 0x04,
+ MAX14577_REG_STATUS2 = 0x05,
+ MAX14577_REG_STATUS3 = 0x06,
+ MAX14577_REG_INTMASK1 = 0x07,
+ MAX14577_REG_INTMASK2 = 0x08,
+ MAX14577_REG_INTMASK3 = 0x09,
+ MAX14577_REG_CDETCTRL1 = 0x0A,
+ MAX14577_REG_RFU = 0x0B,
+ MAX14577_REG_CONTROL1 = 0x0C,
+ MAX14577_REG_CONTROL2 = 0x0D,
+ MAX14577_REG_CONTROL3 = 0x0E,
+ MAX14577_REG_CHGCTRL1 = 0x0F,
+ MAX14577_REG_CHGCTRL2 = 0x10,
+ MAX14577_REG_CHGCTRL3 = 0x11,
+ MAX14577_REG_CHGCTRL4 = 0x12,
+ MAX14577_REG_CHGCTRL5 = 0x13,
+ MAX14577_REG_CHGCTRL6 = 0x14,
+ MAX14577_REG_CHGCTRL7 = 0x15,
+
+ MAX14577_REG_END,
+};
+
+/* Slave addr = 0x4A: MUIC */
+enum max14577_muic_reg {
+ MAX14577_MUIC_REG_STATUS1 = 0x04,
+ MAX14577_MUIC_REG_STATUS2 = 0x05,
+ MAX14577_MUIC_REG_CONTROL1 = 0x0C,
+ MAX14577_MUIC_REG_CONTROL3 = 0x0E,
+
+ MAX14577_MUIC_REG_END,
+};
+
+enum max14577_muic_charger_type {
+ MAX14577_CHARGER_TYPE_NONE = 0,
+ MAX14577_CHARGER_TYPE_USB,
+ MAX14577_CHARGER_TYPE_DOWNSTREAM_PORT,
+ MAX14577_CHARGER_TYPE_DEDICATED_CHG,
+ MAX14577_CHARGER_TYPE_SPECIAL_500MA,
+ MAX14577_CHARGER_TYPE_SPECIAL_1A,
+ MAX14577_CHARGER_TYPE_RESERVED,
+ MAX14577_CHARGER_TYPE_DEAD_BATTERY = 7,
+};
+
+/* MAX14577 interrupts */
+#define INT1_ADC_MASK (0x1 << 0)
+#define INT1_ADCLOW_MASK (0x1 << 1)
+#define INT1_ADCERR_MASK (0x1 << 2)
+
+#define INT2_CHGTYP_MASK (0x1 << 0)
+#define INT2_CHGDETRUN_MASK (0x1 << 1)
+#define INT2_DCDTMR_MASK (0x1 << 2)
+#define INT2_DBCHG_MASK (0x1 << 3)
+#define INT2_VBVOLT_MASK (0x1 << 4)
+
+#define INT3_EOC_MASK (0x1 << 0)
+#define INT3_CGMBC_MASK (0x1 << 1)
+#define INT3_OVP_MASK (0x1 << 2)
+#define INT3_MBCCHGERR_MASK (0x1 << 3)
+
+/* MAX14577 DEVICE ID register */
+#define DEVID_VENDORID_SHIFT 0
+#define DEVID_DEVICEID_SHIFT 3
+#define DEVID_VENDORID_MASK (0x07 << DEVID_VENDORID_SHIFT)
+#define DEVID_DEVICEID_MASK (0x1f << DEVID_DEVICEID_SHIFT)
+
+/* MAX14577 STATUS1 register */
+#define STATUS1_ADC_SHIFT 0
+#define STATUS1_ADCLOW_SHIFT 5
+#define STATUS1_ADCERR_SHIFT 6
+#define STATUS1_ADC_MASK (0x1f << STATUS1_ADC_SHIFT)
+#define STATUS1_ADCLOW_MASK (0x1 << STATUS1_ADCLOW_SHIFT)
+#define STATUS1_ADCERR_MASK (0x1 << STATUS1_ADCERR_SHIFT)
+
+/* MAX14577 STATUS2 register */
+#define STATUS2_CHGTYP_SHIFT 0
+#define STATUS2_CHGDETRUN_SHIFT 3
+#define STATUS2_DCDTMR_SHIFT 4
+#define STATUS2_DBCHG_SHIFT 5
+#define STATUS2_VBVOLT_SHIFT 6
+#define STATUS2_CHGTYP_MASK (0x7 << STATUS2_CHGTYP_SHIFT)
+#define STATUS2_CHGDETRUN_MASK (0x1 << STATUS2_CHGDETRUN_SHIFT)
+#define STATUS2_DCDTMR_MASK (0x1 << STATUS2_DCDTMR_SHIFT)
+#define STATUS2_DBCHG_MASK (0x1 << STATUS2_DBCHG_SHIFT)
+#define STATUS2_VBVOLT_MASK (0x1 << STATUS2_VBVOLT_SHIFT)
+
+/* MAX14577 CONTROL1 register */
+#define COMN1SW_SHIFT 0
+#define COMP2SW_SHIFT 3
+#define MICEN_SHIFT 6
+#define IDBEN_SHIFT 7
+#define COMN1SW_MASK (0x7 << COMN1SW_SHIFT)
+#define COMP2SW_MASK (0x7 << COMP2SW_SHIFT)
+#define MICEN_MASK (0x1 << MICEN_SHIFT)
+#define IDBEN_MASK (0x1 << IDBEN_SHIFT)
+#define CLEAR_IDBEN_MICEN_MASK (COMN1SW_MASK | COMP2SW_MASK)
+#define CTRL1_SW_USB ((1 << COMP2SW_SHIFT) \
+ | (1 << COMN1SW_SHIFT))
+#define CTRL1_SW_AUDIO ((2 << COMP2SW_SHIFT) \
+ | (2 << COMN1SW_SHIFT))
+#define CTRL1_SW_UART ((3 << COMP2SW_SHIFT) \
+ | (3 << COMN1SW_SHIFT))
+#define CTRL1_SW_OPEN ((0 << COMP2SW_SHIFT) \
+ | (0 << COMN1SW_SHIFT))
+
+/* MAX14577 CONTROL2 register */
+#define CTRL2_LOWPWR_SHIFT (0)
+#define CTRL2_ADCEN_SHIFT (1)
+#define CTRL2_CPEN_SHIFT (2)
+#define CTRL2_SFOUTASRT_SHIFT (3)
+#define CTRL2_SFOUTORD_SHIFT (4)
+#define CTRL2_ACCDET_SHIFT (5)
+#define CTRL2_USBCPINT_SHIFT (6)
+#define CTRL2_RCPS_SHIFT (7)
+#define CTRL2_LOWPWR_MASK (0x1 << CTRL2_LOWPWR_SHIFT)
+#define CTRL2_ADCEN_MASK (0x1 << CTRL2_ADCEN_SHIFT)
+#define CTRL2_CPEN_MASK (0x1 << CTRL2_CPEN_SHIFT)
+#define CTRL2_SFOUTASRT_MASK (0x1 << CTRL2_SFOUTASRT_SHIFT)
+#define CTRL2_SFOUTORD_MASK (0x1 << CTRL2_SFOUTORD_SHIFT)
+#define CTRL2_ACCDET_MASK (0x1 << CTRL2_ACCDET_SHIFT)
+#define CTRL2_USBCPINT_MASK (0x1 << CTRL2_USBCPINT_SHIFT)
+#define CTRL2_RCPS_MASK (0x1 << CTR2_RCPS_SHIFT)
+
+#define CTRL2_CPEN1_LOWPWR0 ((1 << CTRL2_CPEN_SHIFT) | \
+ (0 << CTRL2_LOWPWR_SHIFT))
+#define CTRL2_CPEN0_LOWPWR1 ((0 << CTRL2_CPEN_SHIFT) | \
+ (1 << CTRL2_LOWPWR_SHIFT))
+
+/* MAX14577 CONTROL3 register */
+#define CTRL3_JIGSET_SHIFT 0
+#define CTRL3_BOOTSET_SHIFT 2
+#define CTRL3_ADCDBSET_SHIFT 4
+#define CTRL3_JIGSET_MASK (0x3 << CTRL3_JIGSET_SHIFT)
+#define CTRL3_BOOTSET_MASK (0x3 << CTRL3_BOOTSET_SHIFT)
+#define CTRL3_ADCDBSET_MASK (0x3 << CTRL3_ADCDBSET_SHIFT)
+
+/* Slave addr = 0x4A: Charger */
+enum max14577_charger_reg {
+ MAX14577_CHG_REG_STATUS3 = 0x06,
+ MAX14577_CHG_REG_CHG_CTRL1 = 0x0F,
+ MAX14577_CHG_REG_CHG_CTRL2 = 0x10,
+ MAX14577_CHG_REG_CHG_CTRL3 = 0x11,
+ MAX14577_CHG_REG_CHG_CTRL4 = 0x12,
+ MAX14577_CHG_REG_CHG_CTRL5 = 0x13,
+ MAX14577_CHG_REG_CHG_CTRL6 = 0x14,
+ MAX14577_CHG_REG_CHG_CTRL7 = 0x15,
+
+ MAX14577_CHG_REG_END,
+};
+
+/* MAX14577 STATUS3 register */
+#define STATUS3_EOC_SHIFT 0
+#define STATUS3_CGMBC_SHIFT 1
+#define STATUS3_OVP_SHIFT 2
+#define STATUS3_MBCCHGERR_SHIFT 3
+#define STATUS3_EOC_MASK (0x1 << STATUS3_EOC_SHIFT)
+#define STATUS3_CGMBC_MASK (0x1 << STATUS3_CGMBC_SHIFT)
+#define STATUS3_OVP_MASK (0x1 << STATUS3_OVP_SHIFT)
+#define STATUS3_MBCCHGERR_MASK (0x1 << STATUS3_MBCCHGERR_SHIFT)
+
+/* MAX14577 CDETCTRL1 register */
+#define CDETCTRL1_CHGDETEN_SHIFT 0
+#define CDETCTRL1_CHGTYPMAN_SHIFT 1
+#define CDETCTRL1_DCDEN_SHIFT 2
+#define CDETCTRL1_DCD2SCT_SHIFT 3
+#define CDETCTRL1_DCHKTM_SHIFT 4
+#define CDETCTRL1_DBEXIT_SHIFT 5
+#define CDETCTRL1_DBIDLE_SHIFT 6
+#define CDETCTRL1_CDPDET_SHIFT 7
+#define CDETCTRL1_CHGDETEN_MASK (0x1 << CDETCTRL1_CHGDETEN_SHIFT)
+#define CDETCTRL1_CHGTYPMAN_MASK (0x1 << CDETCTRL1_CHGTYPMAN_SHIFT)
+#define CDETCTRL1_DCDEN_MASK (0x1 << CDETCTRL1_DCDEN_SHIFT)
+#define CDETCTRL1_DCD2SCT_MASK (0x1 << CDETCTRL1_DCD2SCT_SHIFT)
+#define CDETCTRL1_DCHKTM_MASK (0x1 << CDETCTRL1_DCHKTM_SHIFT)
+#define CDETCTRL1_DBEXIT_MASK (0x1 << CDETCTRL1_DBEXIT_SHIFT)
+#define CDETCTRL1_DBIDLE_MASK (0x1 << CDETCTRL1_DBIDLE_SHIFT)
+#define CDETCTRL1_CDPDET_MASK (0x1 << CDETCTRL1_CDPDET_SHIFT)
+
+/* MAX14577 CHGCTRL1 register */
+#define CHGCTRL1_TCHW_SHIFT 4
+#define CHGCTRL1_TCHW_MASK (0x7 << CHGCTRL1_TCHW_SHIFT)
+
+/* MAX14577 CHGCTRL2 register */
+#define CHGCTRL2_MBCHOSTEN_SHIFT 6
+#define CHGCTRL2_MBCHOSTEN_MASK (0x1 << CHGCTRL2_MBCHOSTEN_SHIFT)
+#define CHGCTRL2_VCHGR_RC_SHIFT 7
+#define CHGCTRL2_VCHGR_RC_MASK (0x1 << CHGCTRL2_VCHGR_RC_SHIFT)
+
+/* MAX14577 CHGCTRL3 register */
+#define CHGCTRL3_MBCCVWRC_SHIFT 0
+#define CHGCTRL3_MBCCVWRC_MASK (0xf << CHGCTRL3_MBCCVWRC_SHIFT)
+
+/* MAX14577 CHGCTRL4 register */
+#define CHGCTRL4_MBCICHWRCH_SHIFT 0
+#define CHGCTRL4_MBCICHWRCH_MASK (0xf << CHGCTRL4_MBCICHWRCH_SHIFT)
+#define CHGCTRL4_MBCICHWRCL_SHIFT 4
+#define CHGCTRL4_MBCICHWRCL_MASK (0x1 << CHGCTRL4_MBCICHWRCL_SHIFT)
+
+/* MAX14577 CHGCTRL5 register */
+#define CHGCTRL5_EOCS_SHIFT 0
+#define CHGCTRL5_EOCS_MASK (0xf << CHGCTRL5_EOCS_SHIFT)
+
+/* MAX14577 CHGCTRL6 register */
+#define CHGCTRL6_AUTOSTOP_SHIFT 5
+#define CHGCTRL6_AUTOSTOP_MASK (0x1 << CHGCTRL6_AUTOSTOP_SHIFT)
+
+/* MAX14577 CHGCTRL7 register */
+#define CHGCTRL7_OTPCGHCVS_SHIFT 0
+#define CHGCTRL7_OTPCGHCVS_MASK (0x3 << CHGCTRL7_OTPCGHCVS_SHIFT)
+
+/* MAX14577 regulator current limits (as in CHGCTRL4 register), uA */
+#define MAX14577_REGULATOR_CURRENT_LIMIT_MIN 90000
+#define MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_START 200000
+#define MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_STEP 50000
+#define MAX14577_REGULATOR_CURRENT_LIMIT_MAX 950000
+
+/* MAX14577 regulator SFOUT LDO voltage, fixed, uV */
+#define MAX14577_REGULATOR_SAFEOUT_VOLTAGE 4900000
+
+enum max14577_irq_source {
+ MAX14577_IRQ_INT1 = 0,
+ MAX14577_IRQ_INT2,
+ MAX14577_IRQ_INT3,
+
+ MAX14577_IRQ_REGS_NUM,
+};
+
+enum max14577_irq {
+ /* INT1 */
+ MAX14577_IRQ_INT1_ADC,
+ MAX14577_IRQ_INT1_ADCLOW,
+ MAX14577_IRQ_INT1_ADCERR,
+
+ /* INT2 */
+ MAX14577_IRQ_INT2_CHGTYP,
+ MAX14577_IRQ_INT2_CHGDETRUN,
+ MAX14577_IRQ_INT2_DCDTMR,
+ MAX14577_IRQ_INT2_DBCHG,
+ MAX14577_IRQ_INT2_VBVOLT,
+
+ /* INT3 */
+ MAX14577_IRQ_INT3_EOC,
+ MAX14577_IRQ_INT3_CGMBC,
+ MAX14577_IRQ_INT3_OVP,
+ MAX14577_IRQ_INT3_MBCCHGERR,
+
+ MAX14577_IRQ_NUM,
+};
+
+struct max14577 {
+ struct device *dev;
+ struct i2c_client *i2c; /* Slave addr = 0x4A */
+
+ struct regmap *regmap;
+
+ struct regmap_irq_chip_data *irq_data;
+ int irq;
+
+ /* Device ID */
+ u8 vendor_id; /* Vendor Identification */
+ u8 device_id; /* Chip Version */
+};
+
+/* MAX14577 shared regmap API function */
+static inline int max14577_read_reg(struct regmap *map, u8 reg, u8 *dest)
+{
+ unsigned int val;
+ int ret;
+
+ ret = regmap_read(map, reg, &val);
+ *dest = val;
+
+ return ret;
+}
+
+static inline int max14577_bulk_read(struct regmap *map, u8 reg, u8 *buf,
+ int count)
+{
+ return regmap_bulk_read(map, reg, buf, count);
+}
+
+static inline int max14577_write_reg(struct regmap *map, u8 reg, u8 value)
+{
+ return regmap_write(map, reg, value);
+}
+
+static inline int max14577_bulk_write(struct regmap *map, u8 reg, u8 *buf,
+ int count)
+{
+ return regmap_bulk_write(map, reg, buf, count);
+}
+
+static inline int max14577_update_reg(struct regmap *map, u8 reg, u8 mask,
+ u8 val)
+{
+ return regmap_update_bits(map, reg, mask, val);
+}
+
+#endif /* __MAX14577_PRIVATE_H__ */
diff --git a/include/linux/mfd/max14577.h b/include/linux/mfd/max14577.h
new file mode 100644
index 000000000000..247b021dfaaf
--- /dev/null
+++ b/include/linux/mfd/max14577.h
@@ -0,0 +1,69 @@
+/*
+ * max14577.h - Driver for the Maxim 14577
+ *
+ * Copyright (C) 2013 Samsung Electrnoics
+ * Chanwoo Choi <cw00.choi@samsung.com>
+ * Krzysztof Kozlowski <k.kozlowski@samsung.com>
+ *
+ * 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 Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * This driver is based on max8997.h
+ *
+ * MAX14577 has MUIC, Charger devices.
+ * The devices share the same I2C bus and interrupt line
+ * included in this mfd driver.
+ */
+
+#ifndef __MAX14577_H__
+#define __MAX14577_H__
+
+#include <linux/mfd/max14577-private.h>
+#include <linux/regulator/consumer.h>
+
+/*
+ * MAX14577 Regulator
+ */
+
+/* MAX14577 regulator IDs */
+enum max14577_regulators {
+ MAX14577_SAFEOUT = 0,
+ MAX14577_CHARGER,
+
+ MAX14577_REG_MAX,
+};
+
+struct max14577_regulator_platform_data {
+ int id;
+ struct regulator_init_data *initdata;
+ struct device_node *of_node;
+};
+
+/*
+ * MAX14577 MFD platform data
+ */
+struct max14577_platform_data {
+ /* IRQ */
+ int irq_base;
+
+ /* current control GPIOs */
+ int gpio_pogo_vbatt_en;
+ int gpio_pogo_vbus_en;
+
+ /* current control GPIO control function */
+ int (*set_gpio_pogo_vbatt_en) (int gpio_val);
+ int (*set_gpio_pogo_vbus_en) (int gpio_val);
+
+ int (*set_gpio_pogo_cb) (int new_dev);
+
+ struct max14577_regulator_platform_data *regulators;
+};
+
+#endif /* __MAX14577_H__ */