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-rw-r--r--drivers/mfd/Kconfig16
-rw-r--r--drivers/mfd/Makefile4
-rw-r--r--drivers/mfd/da9052-core.c690
-rw-r--r--drivers/mfd/da9052-i2c.c140
4 files changed, 850 insertions, 0 deletions
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index f1391c21ef26..baced42c8572 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -328,6 +328,22 @@ config PMIC_DA903X
individual components like LCD backlight, voltage regulators,
LEDs and battery-charger under the corresponding menus.
+config PMIC_DA9052
+ bool
+ select MFD_CORE
+
+config MFD_DA9052_I2C
+ bool "Support Dialog Semiconductor DA9052/53 PMIC variants with I2C"
+ select REGMAP_I2C
+ select REGMAP_IRQ
+ select PMIC_DA9052
+ depends on I2C=y
+ help
+ Support for the Dialog Semiconductor DA9052 PMIC
+ when controlled using I2C. This driver provides common support
+ for accessing the device, additional drivers must be enabled in
+ order to use the functionality of the device.
+
config PMIC_ADP5520
bool "Analog Devices ADP5520/01 MFD PMIC Core Support"
depends on I2C=y
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index b2292eb75242..484f209f41e4 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -67,6 +67,10 @@ endif
obj-$(CONFIG_UCB1400_CORE) += ucb1400_core.o
obj-$(CONFIG_PMIC_DA903X) += da903x.o
+
+obj-$(CONFIG_PMIC_DA9052) += da9052-core.o
+obj-$(CONFIG_MFD_DA9052_I2C) += da9052-i2c.o
+
max8925-objs := max8925-core.o max8925-i2c.o
obj-$(CONFIG_MFD_MAX8925) += max8925.o
obj-$(CONFIG_MFD_MAX8997) += max8997.o max8997-irq.o
diff --git a/drivers/mfd/da9052-core.c b/drivers/mfd/da9052-core.c
new file mode 100644
index 000000000000..a7c115ca56c8
--- /dev/null
+++ b/drivers/mfd/da9052-core.c
@@ -0,0 +1,690 @@
+/*
+ * Device access for Dialog DA9052 PMICs.
+ *
+ * Copyright(c) 2011 Dialog Semiconductor Ltd.
+ *
+ * Author: David Dajun Chen <dchen@diasemi.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.
+ */
+
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/mutex.h>
+#include <linux/mfd/core.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+
+#include <linux/mfd/da9052/da9052.h>
+#include <linux/mfd/da9052/pdata.h>
+#include <linux/mfd/da9052/reg.h>
+
+#define DA9052_NUM_IRQ_REGS 4
+#define DA9052_IRQ_MASK_POS_1 0x01
+#define DA9052_IRQ_MASK_POS_2 0x02
+#define DA9052_IRQ_MASK_POS_3 0x04
+#define DA9052_IRQ_MASK_POS_4 0x08
+#define DA9052_IRQ_MASK_POS_5 0x10
+#define DA9052_IRQ_MASK_POS_6 0x20
+#define DA9052_IRQ_MASK_POS_7 0x40
+#define DA9052_IRQ_MASK_POS_8 0x80
+
+static bool da9052_reg_readable(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case DA9052_PAGE0_CON_REG:
+ case DA9052_STATUS_A_REG:
+ case DA9052_STATUS_B_REG:
+ case DA9052_STATUS_C_REG:
+ case DA9052_STATUS_D_REG:
+ case DA9052_EVENT_A_REG:
+ case DA9052_EVENT_B_REG:
+ case DA9052_EVENT_C_REG:
+ case DA9052_EVENT_D_REG:
+ case DA9052_FAULTLOG_REG:
+ case DA9052_IRQ_MASK_A_REG:
+ case DA9052_IRQ_MASK_B_REG:
+ case DA9052_IRQ_MASK_C_REG:
+ case DA9052_IRQ_MASK_D_REG:
+ case DA9052_CONTROL_A_REG:
+ case DA9052_CONTROL_B_REG:
+ case DA9052_CONTROL_C_REG:
+ case DA9052_CONTROL_D_REG:
+ case DA9052_PDDIS_REG:
+ case DA9052_INTERFACE_REG:
+ case DA9052_RESET_REG:
+ case DA9052_GPIO_0_1_REG:
+ case DA9052_GPIO_2_3_REG:
+ case DA9052_GPIO_4_5_REG:
+ case DA9052_GPIO_6_7_REG:
+ case DA9052_GPIO_14_15_REG:
+ case DA9052_ID_0_1_REG:
+ case DA9052_ID_2_3_REG:
+ case DA9052_ID_4_5_REG:
+ case DA9052_ID_6_7_REG:
+ case DA9052_ID_8_9_REG:
+ case DA9052_ID_10_11_REG:
+ case DA9052_ID_12_13_REG:
+ case DA9052_ID_14_15_REG:
+ case DA9052_ID_16_17_REG:
+ case DA9052_ID_18_19_REG:
+ case DA9052_ID_20_21_REG:
+ case DA9052_SEQ_STATUS_REG:
+ case DA9052_SEQ_A_REG:
+ case DA9052_SEQ_B_REG:
+ case DA9052_SEQ_TIMER_REG:
+ case DA9052_BUCKA_REG:
+ case DA9052_BUCKB_REG:
+ case DA9052_BUCKCORE_REG:
+ case DA9052_BUCKPRO_REG:
+ case DA9052_BUCKMEM_REG:
+ case DA9052_BUCKPERI_REG:
+ case DA9052_LDO1_REG:
+ case DA9052_LDO2_REG:
+ case DA9052_LDO3_REG:
+ case DA9052_LDO4_REG:
+ case DA9052_LDO5_REG:
+ case DA9052_LDO6_REG:
+ case DA9052_LDO7_REG:
+ case DA9052_LDO8_REG:
+ case DA9052_LDO9_REG:
+ case DA9052_LDO10_REG:
+ case DA9052_SUPPLY_REG:
+ case DA9052_PULLDOWN_REG:
+ case DA9052_CHGBUCK_REG:
+ case DA9052_WAITCONT_REG:
+ case DA9052_ISET_REG:
+ case DA9052_BATCHG_REG:
+ case DA9052_CHG_CONT_REG:
+ case DA9052_INPUT_CONT_REG:
+ case DA9052_CHG_TIME_REG:
+ case DA9052_BBAT_CONT_REG:
+ case DA9052_BOOST_REG:
+ case DA9052_LED_CONT_REG:
+ case DA9052_LEDMIN123_REG:
+ case DA9052_LED1_CONF_REG:
+ case DA9052_LED2_CONF_REG:
+ case DA9052_LED3_CONF_REG:
+ case DA9052_LED1CONT_REG:
+ case DA9052_LED2CONT_REG:
+ case DA9052_LED3CONT_REG:
+ case DA9052_LED_CONT_4_REG:
+ case DA9052_LED_CONT_5_REG:
+ case DA9052_ADC_MAN_REG:
+ case DA9052_ADC_CONT_REG:
+ case DA9052_ADC_RES_L_REG:
+ case DA9052_ADC_RES_H_REG:
+ case DA9052_VDD_RES_REG:
+ case DA9052_VDD_MON_REG:
+ case DA9052_ICHG_AV_REG:
+ case DA9052_ICHG_THD_REG:
+ case DA9052_ICHG_END_REG:
+ case DA9052_TBAT_RES_REG:
+ case DA9052_TBAT_HIGHP_REG:
+ case DA9052_TBAT_HIGHN_REG:
+ case DA9052_TBAT_LOW_REG:
+ case DA9052_T_OFFSET_REG:
+ case DA9052_ADCIN4_RES_REG:
+ case DA9052_AUTO4_HIGH_REG:
+ case DA9052_AUTO4_LOW_REG:
+ case DA9052_ADCIN5_RES_REG:
+ case DA9052_AUTO5_HIGH_REG:
+ case DA9052_AUTO5_LOW_REG:
+ case DA9052_ADCIN6_RES_REG:
+ case DA9052_AUTO6_HIGH_REG:
+ case DA9052_AUTO6_LOW_REG:
+ case DA9052_TJUNC_RES_REG:
+ case DA9052_TSI_CONT_A_REG:
+ case DA9052_TSI_CONT_B_REG:
+ case DA9052_TSI_X_MSB_REG:
+ case DA9052_TSI_Y_MSB_REG:
+ case DA9052_TSI_LSB_REG:
+ case DA9052_TSI_Z_MSB_REG:
+ case DA9052_COUNT_S_REG:
+ case DA9052_COUNT_MI_REG:
+ case DA9052_COUNT_H_REG:
+ case DA9052_COUNT_D_REG:
+ case DA9052_COUNT_MO_REG:
+ case DA9052_COUNT_Y_REG:
+ case DA9052_ALARM_MI_REG:
+ case DA9052_ALARM_H_REG:
+ case DA9052_ALARM_D_REG:
+ case DA9052_ALARM_MO_REG:
+ case DA9052_ALARM_Y_REG:
+ case DA9052_SECOND_A_REG:
+ case DA9052_SECOND_B_REG:
+ case DA9052_SECOND_C_REG:
+ case DA9052_SECOND_D_REG:
+ case DA9052_PAGE1_CON_REG:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool da9052_reg_writeable(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case DA9052_PAGE0_CON_REG:
+ case DA9052_IRQ_MASK_A_REG:
+ case DA9052_IRQ_MASK_B_REG:
+ case DA9052_IRQ_MASK_C_REG:
+ case DA9052_IRQ_MASK_D_REG:
+ case DA9052_CONTROL_A_REG:
+ case DA9052_CONTROL_B_REG:
+ case DA9052_CONTROL_C_REG:
+ case DA9052_CONTROL_D_REG:
+ case DA9052_PDDIS_REG:
+ case DA9052_RESET_REG:
+ case DA9052_GPIO_0_1_REG:
+ case DA9052_GPIO_2_3_REG:
+ case DA9052_GPIO_4_5_REG:
+ case DA9052_GPIO_6_7_REG:
+ case DA9052_GPIO_14_15_REG:
+ case DA9052_ID_0_1_REG:
+ case DA9052_ID_2_3_REG:
+ case DA9052_ID_4_5_REG:
+ case DA9052_ID_6_7_REG:
+ case DA9052_ID_8_9_REG:
+ case DA9052_ID_10_11_REG:
+ case DA9052_ID_12_13_REG:
+ case DA9052_ID_14_15_REG:
+ case DA9052_ID_16_17_REG:
+ case DA9052_ID_18_19_REG:
+ case DA9052_ID_20_21_REG:
+ case DA9052_SEQ_STATUS_REG:
+ case DA9052_SEQ_A_REG:
+ case DA9052_SEQ_B_REG:
+ case DA9052_SEQ_TIMER_REG:
+ case DA9052_BUCKA_REG:
+ case DA9052_BUCKB_REG:
+ case DA9052_BUCKCORE_REG:
+ case DA9052_BUCKPRO_REG:
+ case DA9052_BUCKMEM_REG:
+ case DA9052_BUCKPERI_REG:
+ case DA9052_LDO1_REG:
+ case DA9052_LDO2_REG:
+ case DA9052_LDO3_REG:
+ case DA9052_LDO4_REG:
+ case DA9052_LDO5_REG:
+ case DA9052_LDO6_REG:
+ case DA9052_LDO7_REG:
+ case DA9052_LDO8_REG:
+ case DA9052_LDO9_REG:
+ case DA9052_LDO10_REG:
+ case DA9052_SUPPLY_REG:
+ case DA9052_PULLDOWN_REG:
+ case DA9052_CHGBUCK_REG:
+ case DA9052_WAITCONT_REG:
+ case DA9052_ISET_REG:
+ case DA9052_BATCHG_REG:
+ case DA9052_CHG_CONT_REG:
+ case DA9052_INPUT_CONT_REG:
+ case DA9052_BBAT_CONT_REG:
+ case DA9052_BOOST_REG:
+ case DA9052_LED_CONT_REG:
+ case DA9052_LEDMIN123_REG:
+ case DA9052_LED1_CONF_REG:
+ case DA9052_LED2_CONF_REG:
+ case DA9052_LED3_CONF_REG:
+ case DA9052_LED1CONT_REG:
+ case DA9052_LED2CONT_REG:
+ case DA9052_LED3CONT_REG:
+ case DA9052_LED_CONT_4_REG:
+ case DA9052_LED_CONT_5_REG:
+ case DA9052_ADC_MAN_REG:
+ case DA9052_ADC_CONT_REG:
+ case DA9052_ADC_RES_L_REG:
+ case DA9052_ADC_RES_H_REG:
+ case DA9052_VDD_RES_REG:
+ case DA9052_VDD_MON_REG:
+ case DA9052_ICHG_THD_REG:
+ case DA9052_ICHG_END_REG:
+ case DA9052_TBAT_HIGHP_REG:
+ case DA9052_TBAT_HIGHN_REG:
+ case DA9052_TBAT_LOW_REG:
+ case DA9052_T_OFFSET_REG:
+ case DA9052_AUTO4_HIGH_REG:
+ case DA9052_AUTO4_LOW_REG:
+ case DA9052_AUTO5_HIGH_REG:
+ case DA9052_AUTO5_LOW_REG:
+ case DA9052_AUTO6_HIGH_REG:
+ case DA9052_AUTO6_LOW_REG:
+ case DA9052_TSI_CONT_A_REG:
+ case DA9052_TSI_CONT_B_REG:
+ case DA9052_COUNT_S_REG:
+ case DA9052_COUNT_MI_REG:
+ case DA9052_COUNT_H_REG:
+ case DA9052_COUNT_D_REG:
+ case DA9052_COUNT_MO_REG:
+ case DA9052_COUNT_Y_REG:
+ case DA9052_ALARM_MI_REG:
+ case DA9052_ALARM_H_REG:
+ case DA9052_ALARM_D_REG:
+ case DA9052_ALARM_MO_REG:
+ case DA9052_ALARM_Y_REG:
+ case DA9052_PAGE1_CON_REG:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool da9052_reg_volatile(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case DA9052_STATUS_A_REG:
+ case DA9052_STATUS_B_REG:
+ case DA9052_STATUS_C_REG:
+ case DA9052_STATUS_D_REG:
+ case DA9052_EVENT_A_REG:
+ case DA9052_EVENT_B_REG:
+ case DA9052_EVENT_C_REG:
+ case DA9052_EVENT_D_REG:
+ case DA9052_FAULTLOG_REG:
+ case DA9052_CHG_TIME_REG:
+ case DA9052_ADC_RES_L_REG:
+ case DA9052_ADC_RES_H_REG:
+ case DA9052_VDD_RES_REG:
+ case DA9052_ICHG_AV_REG:
+ case DA9052_TBAT_RES_REG:
+ case DA9052_ADCIN4_RES_REG:
+ case DA9052_ADCIN5_RES_REG:
+ case DA9052_ADCIN6_RES_REG:
+ case DA9052_TJUNC_RES_REG:
+ case DA9052_TSI_X_MSB_REG:
+ case DA9052_TSI_Y_MSB_REG:
+ case DA9052_TSI_LSB_REG:
+ case DA9052_TSI_Z_MSB_REG:
+ case DA9052_COUNT_S_REG:
+ case DA9052_COUNT_MI_REG:
+ case DA9052_COUNT_H_REG:
+ case DA9052_COUNT_D_REG:
+ case DA9052_COUNT_MO_REG:
+ case DA9052_COUNT_Y_REG:
+ case DA9052_ALARM_MI_REG:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static struct resource da9052_rtc_resource = {
+ .name = "ALM",
+ .start = DA9052_IRQ_ALARM,
+ .end = DA9052_IRQ_ALARM,
+ .flags = IORESOURCE_IRQ,
+};
+
+static struct resource da9052_onkey_resource = {
+ .name = "ONKEY",
+ .start = DA9052_IRQ_NONKEY,
+ .end = DA9052_IRQ_NONKEY,
+ .flags = IORESOURCE_IRQ,
+};
+
+static struct resource da9052_bat_resources[] = {
+ {
+ .name = "BATT TEMP",
+ .start = DA9052_IRQ_TBAT,
+ .end = DA9052_IRQ_TBAT,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "DCIN DET",
+ .start = DA9052_IRQ_DCIN,
+ .end = DA9052_IRQ_DCIN,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "DCIN REM",
+ .start = DA9052_IRQ_DCINREM,
+ .end = DA9052_IRQ_DCINREM,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "VBUS DET",
+ .start = DA9052_IRQ_VBUS,
+ .end = DA9052_IRQ_VBUS,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "VBUS REM",
+ .start = DA9052_IRQ_VBUSREM,
+ .end = DA9052_IRQ_VBUSREM,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "CHG END",
+ .start = DA9052_IRQ_CHGEND,
+ .end = DA9052_IRQ_CHGEND,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource da9052_tsi_resources[] = {
+ {
+ .name = "PENDWN",
+ .start = DA9052_IRQ_PENDOWN,
+ .end = DA9052_IRQ_PENDOWN,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "TSIRDY",
+ .start = DA9052_IRQ_TSIREADY,
+ .end = DA9052_IRQ_TSIREADY,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct mfd_cell __initdata da9052_subdev_info[] = {
+ {
+ .name = "da9052-regulator",
+ .id = 1,
+ },
+ {
+ .name = "da9052-regulator",
+ .id = 2,
+ },
+ {
+ .name = "da9052-regulator",
+ .id = 3,
+ },
+ {
+ .name = "da9052-regulator",
+ .id = 4,
+ },
+ {
+ .name = "da9052-regulator",
+ .id = 5,
+ },
+ {
+ .name = "da9052-regulator",
+ .id = 6,
+ },
+ {
+ .name = "da9052-regulator",
+ .id = 7,
+ },
+ {
+ .name = "da9052-regulator",
+ .id = 8,
+ },
+ {
+ .name = "da9052-regulator",
+ .id = 9,
+ },
+ {
+ .name = "da9052-regulator",
+ .id = 10,
+ },
+ {
+ .name = "da9052-regulator",
+ .id = 11,
+ },
+ {
+ .name = "da9052-regulator",
+ .id = 12,
+ },
+ {
+ .name = "da9052-regulator",
+ .id = 13,
+ },
+ {
+ .name = "da9052-regulator",
+ .id = 14,
+ },
+ {
+ .name = "da9052-onkey",
+ .resources = &da9052_onkey_resource,
+ .num_resources = 1,
+ },
+ {
+ .name = "da9052-rtc",
+ .resources = &da9052_rtc_resource,
+ .num_resources = 1,
+ },
+ {
+ .name = "da9052-gpio",
+ },
+ {
+ .name = "da9052-hwmon",
+ },
+ {
+ .name = "da9052-leds",
+ },
+ {
+ .name = "da9052-wled1",
+ },
+ {
+ .name = "da9052-wled2",
+ },
+ {
+ .name = "da9052-wled3",
+ },
+ {
+ .name = "da9052-tsi",
+ .resources = da9052_tsi_resources,
+ .num_resources = ARRAY_SIZE(da9052_tsi_resources),
+ },
+ {
+ .name = "da9052-bat",
+ .resources = da9052_bat_resources,
+ .num_resources = ARRAY_SIZE(da9052_bat_resources),
+ },
+ {
+ .name = "da9052-watchdog",
+ },
+};
+
+static struct regmap_irq da9052_irqs[] = {
+ [DA9052_IRQ_DCIN] = {
+ .reg_offset = 0,
+ .mask = DA9052_IRQ_MASK_POS_1,
+ },
+ [DA9052_IRQ_VBUS] = {
+ .reg_offset = 0,
+ .mask = DA9052_IRQ_MASK_POS_2,
+ },
+ [DA9052_IRQ_DCINREM] = {
+ .reg_offset = 0,
+ .mask = DA9052_IRQ_MASK_POS_3,
+ },
+ [DA9052_IRQ_VBUSREM] = {
+ .reg_offset = 0,
+ .mask = DA9052_IRQ_MASK_POS_4,
+ },
+ [DA9052_IRQ_VDDLOW] = {
+ .reg_offset = 0,
+ .mask = DA9052_IRQ_MASK_POS_5,
+ },
+ [DA9052_IRQ_ALARM] = {
+ .reg_offset = 0,
+ .mask = DA9052_IRQ_MASK_POS_6,
+ },
+ [DA9052_IRQ_SEQRDY] = {
+ .reg_offset = 0,
+ .mask = DA9052_IRQ_MASK_POS_7,
+ },
+ [DA9052_IRQ_COMP1V2] = {
+ .reg_offset = 0,
+ .mask = DA9052_IRQ_MASK_POS_8,
+ },
+ [DA9052_IRQ_NONKEY] = {
+ .reg_offset = 1,
+ .mask = DA9052_IRQ_MASK_POS_1,
+ },
+ [DA9052_IRQ_IDFLOAT] = {
+ .reg_offset = 1,
+ .mask = DA9052_IRQ_MASK_POS_2,
+ },
+ [DA9052_IRQ_IDGND] = {
+ .reg_offset = 1,
+ .mask = DA9052_IRQ_MASK_POS_3,
+ },
+ [DA9052_IRQ_CHGEND] = {
+ .reg_offset = 1,
+ .mask = DA9052_IRQ_MASK_POS_4,
+ },
+ [DA9052_IRQ_TBAT] = {
+ .reg_offset = 1,
+ .mask = DA9052_IRQ_MASK_POS_5,
+ },
+ [DA9052_IRQ_ADC_EOM] = {
+ .reg_offset = 1,
+ .mask = DA9052_IRQ_MASK_POS_6,
+ },
+ [DA9052_IRQ_PENDOWN] = {
+ .reg_offset = 1,
+ .mask = DA9052_IRQ_MASK_POS_7,
+ },
+ [DA9052_IRQ_TSIREADY] = {
+ .reg_offset = 1,
+ .mask = DA9052_IRQ_MASK_POS_8,
+ },
+ [DA9052_IRQ_GPI0] = {
+ .reg_offset = 2,
+ .mask = DA9052_IRQ_MASK_POS_1,
+ },
+ [DA9052_IRQ_GPI1] = {
+ .reg_offset = 2,
+ .mask = DA9052_IRQ_MASK_POS_2,
+ },
+ [DA9052_IRQ_GPI2] = {
+ .reg_offset = 2,
+ .mask = DA9052_IRQ_MASK_POS_3,
+ },
+ [DA9052_IRQ_GPI3] = {
+ .reg_offset = 2,
+ .mask = DA9052_IRQ_MASK_POS_4,
+ },
+ [DA9052_IRQ_GPI4] = {
+ .reg_offset = 2,
+ .mask = DA9052_IRQ_MASK_POS_5,
+ },
+ [DA9052_IRQ_GPI5] = {
+ .reg_offset = 2,
+ .mask = DA9052_IRQ_MASK_POS_6,
+ },
+ [DA9052_IRQ_GPI6] = {
+ .reg_offset = 2,
+ .mask = DA9052_IRQ_MASK_POS_7,
+ },
+ [DA9052_IRQ_GPI7] = {
+ .reg_offset = 2,
+ .mask = DA9052_IRQ_MASK_POS_8,
+ },
+ [DA9052_IRQ_GPI8] = {
+ .reg_offset = 3,
+ .mask = DA9052_IRQ_MASK_POS_1,
+ },
+ [DA9052_IRQ_GPI9] = {
+ .reg_offset = 3,
+ .mask = DA9052_IRQ_MASK_POS_2,
+ },
+ [DA9052_IRQ_GPI10] = {
+ .reg_offset = 3,
+ .mask = DA9052_IRQ_MASK_POS_3,
+ },
+ [DA9052_IRQ_GPI11] = {
+ .reg_offset = 3,
+ .mask = DA9052_IRQ_MASK_POS_4,
+ },
+ [DA9052_IRQ_GPI12] = {
+ .reg_offset = 3,
+ .mask = DA9052_IRQ_MASK_POS_5,
+ },
+ [DA9052_IRQ_GPI13] = {
+ .reg_offset = 3,
+ .mask = DA9052_IRQ_MASK_POS_6,
+ },
+ [DA9052_IRQ_GPI14] = {
+ .reg_offset = 3,
+ .mask = DA9052_IRQ_MASK_POS_7,
+ },
+ [DA9052_IRQ_GPI15] = {
+ .reg_offset = 3,
+ .mask = DA9052_IRQ_MASK_POS_8,
+ },
+};
+
+static struct regmap_irq_chip da9052_regmap_irq_chip = {
+ .name = "da9052_irq",
+ .status_base = DA9052_EVENT_A_REG,
+ .mask_base = DA9052_IRQ_MASK_A_REG,
+ .ack_base = DA9052_EVENT_A_REG,
+ .num_regs = DA9052_NUM_IRQ_REGS,
+ .irqs = da9052_irqs,
+ .num_irqs = ARRAY_SIZE(da9052_irqs),
+};
+
+struct regmap_config da9052_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .cache_type = REGCACHE_RBTREE,
+
+ .max_register = DA9052_PAGE1_CON_REG,
+ .readable_reg = da9052_reg_readable,
+ .writeable_reg = da9052_reg_writeable,
+ .volatile_reg = da9052_reg_volatile,
+};
+EXPORT_SYMBOL_GPL(da9052_regmap_config);
+
+int da9052_device_init(struct da9052 *da9052, u8 chip_id)
+{
+ struct da9052_pdata *pdata = da9052->dev->platform_data;
+ struct irq_desc *desc;
+ int ret;
+
+ mutex_init(&da9052->io_lock);
+
+ if (pdata && pdata->init != NULL)
+ pdata->init(da9052);
+
+ da9052->chip_id = chip_id;
+
+ if (!pdata || !pdata->irq_base)
+ da9052->irq_base = -1;
+ else
+ da9052->irq_base = pdata->irq_base;
+
+ ret = regmap_add_irq_chip(da9052->regmap, da9052->chip_irq,
+ IRQF_TRIGGER_LOW | IRQF_ONESHOT,
+ da9052->irq_base, &da9052_regmap_irq_chip,
+ NULL);
+ if (ret < 0)
+ goto regmap_err;
+
+ desc = irq_to_desc(da9052->chip_irq);
+ da9052->irq_base = regmap_irq_chip_get_base(desc->action->dev_id);
+
+ ret = mfd_add_devices(da9052->dev, -1, da9052_subdev_info,
+ ARRAY_SIZE(da9052_subdev_info), NULL, 0);
+ if (ret)
+ goto err;
+
+ return 0;
+
+err:
+ mfd_remove_devices(da9052->dev);
+regmap_err:
+ return ret;
+}
+
+void da9052_device_exit(struct da9052 *da9052)
+{
+ regmap_del_irq_chip(da9052->chip_irq,
+ irq_get_irq_data(da9052->irq_base)->chip_data);
+ mfd_remove_devices(da9052->dev);
+}
+
+MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");
+MODULE_DESCRIPTION("DA9052 MFD Core");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/da9052-i2c.c b/drivers/mfd/da9052-i2c.c
new file mode 100644
index 000000000000..44b97c70a61f
--- /dev/null
+++ b/drivers/mfd/da9052-i2c.c
@@ -0,0 +1,140 @@
+/*
+ * I2C access for DA9052 PMICs.
+ *
+ * Copyright(c) 2011 Dialog Semiconductor Ltd.
+ *
+ * Author: David Dajun Chen <dchen@diasemi.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.
+ *
+ */
+
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/input.h>
+#include <linux/mfd/core.h>
+#include <linux/i2c.h>
+#include <linux/err.h>
+
+#include <linux/mfd/da9052/da9052.h>
+#include <linux/mfd/da9052/reg.h>
+
+static int da9052_i2c_enable_multiwrite(struct da9052 *da9052)
+{
+ int reg_val, ret;
+
+ ret = regmap_read(da9052->regmap, DA9052_CONTROL_B_REG, &reg_val);
+ if (ret < 0)
+ return ret;
+
+ if (reg_val & DA9052_CONTROL_B_WRITEMODE) {
+ reg_val &= ~DA9052_CONTROL_B_WRITEMODE;
+ ret = regmap_write(da9052->regmap, DA9052_CONTROL_B_REG,
+ reg_val);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int __devinit da9052_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct da9052 *da9052;
+ int ret;
+
+ da9052 = kzalloc(sizeof(struct da9052), GFP_KERNEL);
+ if (!da9052)
+ return -ENOMEM;
+
+ if (!i2c_check_functionality(client->adapter,
+ I2C_FUNC_SMBUS_BYTE_DATA)) {
+ dev_info(&client->dev, "Error in %s:i2c_check_functionality\n",
+ __func__);
+ ret = -ENODEV;
+ goto err;
+ }
+
+ da9052->dev = &client->dev;
+ da9052->chip_irq = client->irq;
+
+ i2c_set_clientdata(client, da9052);
+
+ da9052->regmap = regmap_init_i2c(client, &da9052_regmap_config);
+ if (IS_ERR(da9052->regmap)) {
+ ret = PTR_ERR(da9052->regmap);
+ dev_err(&client->dev, "Failed to allocate register map: %d\n",
+ ret);
+ goto err;
+ }
+
+ ret = da9052_i2c_enable_multiwrite(da9052);
+ if (ret < 0)
+ goto err;
+
+ ret = da9052_device_init(da9052, id->driver_data);
+ if (ret != 0)
+ goto err;
+
+ return 0;
+
+err:
+ kfree(da9052);
+ return ret;
+}
+
+static int da9052_i2c_remove(struct i2c_client *client)
+{
+ struct da9052 *da9052 = i2c_get_clientdata(client);
+
+ da9052_device_exit(da9052);
+ kfree(da9052);
+
+ return 0;
+}
+
+static struct i2c_device_id da9052_i2c_id[] = {
+ {"da9052", DA9052},
+ {"da9053-aa", DA9053_AA},
+ {"da9053-ba", DA9053_BA},
+ {"da9053-bb", DA9053_BB},
+ {}
+};
+
+static struct i2c_driver da9052_i2c_driver = {
+ .probe = da9052_i2c_probe,
+ .remove = da9052_i2c_remove,
+ .id_table = da9052_i2c_id,
+ .driver = {
+ .name = "da9052",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init da9052_i2c_init(void)
+{
+ int ret;
+
+ ret = i2c_add_driver(&da9052_i2c_driver);
+ if (ret != 0) {
+ pr_err("DA9052 I2C registration failed %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+subsys_initcall(da9052_i2c_init);
+
+static void __exit da9052_i2c_exit(void)
+{
+ i2c_del_driver(&da9052_i2c_driver);
+}
+module_exit(da9052_i2c_exit);
+
+MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");
+MODULE_DESCRIPTION("I2C driver for Dialog DA9052 PMIC");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 15:07:10 +0000