diff options
Diffstat (limited to 'drivers/regulator')
-rw-r--r-- | drivers/regulator/88pm8607.c | 318 | ||||
-rw-r--r-- | drivers/regulator/Kconfig | 8 | ||||
-rw-r--r-- | drivers/regulator/Makefile | 1 | ||||
-rw-r--r-- | drivers/regulator/max8925-regulator.c | 306 | ||||
-rw-r--r-- | drivers/regulator/wm8350-regulator.c | 2 |
5 files changed, 405 insertions, 230 deletions
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c index 04719551381b..5fb83e2ced25 100644 --- a/drivers/regulator/88pm8607.c +++ b/drivers/regulator/88pm8607.c @@ -11,15 +11,17 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/err.h> +#include <linux/i2c.h> #include <linux/platform_device.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> -#include <linux/mfd/88pm8607.h> +#include <linux/mfd/88pm860x.h> struct pm8607_regulator_info { struct regulator_desc desc; - struct pm8607_chip *chip; + struct pm860x_chip *chip; struct regulator_dev *regulator; + struct i2c_client *i2c; int min_uV; int max_uV; @@ -46,7 +48,6 @@ static inline int check_range(struct pm8607_regulator_info *info, static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index) { struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); - uint8_t chip_id = info->chip->chip_id; int ret = -EINVAL; switch (info->desc.id) { @@ -88,79 +89,29 @@ static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index) case PM8607_ID_LDO2: case PM8607_ID_LDO3: case PM8607_ID_LDO9: - switch (chip_id) { - case PM8607_CHIP_A0: - case PM8607_CHIP_A1: - ret = (index < 3) ? (index * 50000 + 1800000) : - ((index < 8) ? (index * 50000 + 2550000) : - -EINVAL); - break; - case PM8607_CHIP_B0: - ret = (index < 3) ? (index * 50000 + 1800000) : - ((index < 7) ? (index * 50000 + 2550000) : - 3300000); - break; - } + ret = (index < 3) ? (index * 50000 + 1800000) : + ((index < 7) ? (index * 50000 + 2550000) : + 3300000); break; case PM8607_ID_LDO4: - switch (chip_id) { - case PM8607_CHIP_A0: - case PM8607_CHIP_A1: - ret = (index < 3) ? (index * 50000 + 1800000) : - ((index < 8) ? (index * 50000 + 2550000) : - -EINVAL); - break; - case PM8607_CHIP_B0: - ret = (index < 3) ? (index * 50000 + 1800000) : - ((index < 6) ? (index * 50000 + 2550000) : - ((index == 6) ? 2900000 : 3300000)); - break; - } + ret = (index < 3) ? (index * 50000 + 1800000) : + ((index < 6) ? (index * 50000 + 2550000) : + ((index == 6) ? 2900000 : 3300000)); break; case PM8607_ID_LDO6: - switch (chip_id) { - case PM8607_CHIP_A0: - case PM8607_CHIP_A1: - ret = (index < 3) ? (index * 50000 + 1800000) : - ((index < 8) ? (index * 50000 + 2450000) : - -EINVAL); - break; - case PM8607_CHIP_B0: - ret = (index < 2) ? (index * 50000 + 1800000) : - ((index < 7) ? (index * 50000 + 2500000) : - 3300000); - break; - } + ret = (index < 2) ? (index * 50000 + 1800000) : + ((index < 7) ? (index * 50000 + 2500000) : + 3300000); break; case PM8607_ID_LDO10: - switch (chip_id) { - case PM8607_CHIP_A0: - case PM8607_CHIP_A1: - ret = (index < 3) ? (index * 50000 + 1800000) : - ((index < 8) ? (index * 50000 + 2550000) : - 1200000); - break; - case PM8607_CHIP_B0: - ret = (index < 3) ? (index * 50000 + 1800000) : - ((index < 7) ? (index * 50000 + 2550000) : - ((index == 7) ? 3300000 : 1200000)); - break; - } + ret = (index < 3) ? (index * 50000 + 1800000) : + ((index < 7) ? (index * 50000 + 2550000) : + ((index == 7) ? 3300000 : 1200000)); break; case PM8607_ID_LDO14: - switch (chip_id) { - case PM8607_CHIP_A0: - case PM8607_CHIP_A1: - ret = (index < 3) ? (index * 50000 + 1800000) : - ((index < 8) ? (index * 50000 + 2550000) : - -EINVAL); - break; - case PM8607_CHIP_B0: - ret = (index < 2) ? (index * 50000 + 1800000) : - ((index < 7) ? (index * 50000 + 2600000) : - 3300000); - break; - } + ret = (index < 2) ? (index * 50000 + 1800000) : + ((index < 7) ? (index * 50000 + 2600000) : + 3300000); break; } return ret; @@ -169,7 +120,6 @@ static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index) static int choose_voltage(struct regulator_dev *rdev, int min_uV, int max_uV) { struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); - uint8_t chip_id = info->chip->chip_id; int val = -ENOENT; int ret; @@ -254,161 +204,77 @@ static int choose_voltage(struct regulator_dev *rdev, int min_uV, int max_uV) case PM8607_ID_LDO2: case PM8607_ID_LDO3: case PM8607_ID_LDO9: - switch (chip_id) { - case PM8607_CHIP_A0: - case PM8607_CHIP_A1: - if (min_uV < 2700000) /* 1800mV ~ 1900mV / 50mV */ - if (min_uV <= 1800000) - val = 0; - else if (min_uV <= 1900000) - val = (min_uV - 1750001) / 50000; - else - val = 3; /* 2700mV */ - else { /* 2700mV ~ 2900mV / 50mV */ - if (min_uV <= 2900000) { - val = (min_uV - 2650001) / 50000; - val += 3; - } else - val = -EINVAL; - } - break; - case PM8607_CHIP_B0: - if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */ - if (min_uV <= 1800000) - val = 0; - else if (min_uV <= 1900000) - val = (min_uV - 1750001) / 50000; - else - val = 3; /* 2700mV */ - } else { /* 2700mV ~ 2850mV / 50mV */ - if (min_uV <= 2850000) { - val = (min_uV - 2650001) / 50000; - val += 3; - } else if (min_uV <= 3300000) - val = 7; - else - val = -EINVAL; - } - break; + if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */ + if (min_uV <= 1800000) + val = 0; + else if (min_uV <= 1900000) + val = (min_uV - 1750001) / 50000; + else + val = 3; /* 2700mV */ + } else { /* 2700mV ~ 2850mV / 50mV */ + if (min_uV <= 2850000) { + val = (min_uV - 2650001) / 50000; + val += 3; + } else if (min_uV <= 3300000) + val = 7; + else + val = -EINVAL; } break; case PM8607_ID_LDO4: - switch (chip_id) { - case PM8607_CHIP_A0: - case PM8607_CHIP_A1: - if (min_uV < 2700000) /* 1800mV ~ 1900mV / 50mV */ - if (min_uV <= 1800000) - val = 0; - else if (min_uV <= 1900000) - val = (min_uV - 1750001) / 50000; - else - val = 3; /* 2700mV */ - else { /* 2700mV ~ 2900mV / 50mV */ - if (min_uV <= 2900000) { - val = (min_uV - 2650001) / 50000; - val += 3; - } else - val = -EINVAL; - } - break; - case PM8607_CHIP_B0: - if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */ - if (min_uV <= 1800000) - val = 0; - else if (min_uV <= 1900000) - val = (min_uV - 1750001) / 50000; - else - val = 3; /* 2700mV */ - } else { /* 2700mV ~ 2800mV / 50mV */ - if (min_uV <= 2850000) { - val = (min_uV - 2650001) / 50000; - val += 3; - } else if (min_uV <= 2900000) - val = 6; - else if (min_uV <= 3300000) - val = 7; - else - val = -EINVAL; - } - break; + if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */ + if (min_uV <= 1800000) + val = 0; + else if (min_uV <= 1900000) + val = (min_uV - 1750001) / 50000; + else + val = 3; /* 2700mV */ + } else { /* 2700mV ~ 2800mV / 50mV */ + if (min_uV <= 2850000) { + val = (min_uV - 2650001) / 50000; + val += 3; + } else if (min_uV <= 2900000) + val = 6; + else if (min_uV <= 3300000) + val = 7; + else + val = -EINVAL; } break; case PM8607_ID_LDO6: - switch (chip_id) { - case PM8607_CHIP_A0: - case PM8607_CHIP_A1: - if (min_uV < 2600000) { /* 1800mV ~ 1900mV / 50mV */ - if (min_uV <= 1800000) - val = 0; - else if (min_uV <= 1900000) - val = (min_uV - 1750001) / 50000; - else - val = 3; /* 2600mV */ - } else { /* 2600mV ~ 2800mV / 50mV */ - if (min_uV <= 2800000) { - val = (min_uV - 2550001) / 50000; - val += 3; - } else - val = -EINVAL; - } - break; - case PM8607_CHIP_B0: - if (min_uV < 2600000) { /* 1800mV ~ 1850mV / 50mV */ - if (min_uV <= 1800000) - val = 0; - else if (min_uV <= 1850000) - val = (min_uV - 1750001) / 50000; - else - val = 2; /* 2600mV */ - } else { /* 2600mV ~ 2800mV / 50mV */ - if (min_uV <= 2800000) { - val = (min_uV - 2550001) / 50000; - val += 2; - } else if (min_uV <= 3300000) - val = 7; - else - val = -EINVAL; - } - break; + if (min_uV < 2600000) { /* 1800mV ~ 1850mV / 50mV */ + if (min_uV <= 1800000) + val = 0; + else if (min_uV <= 1850000) + val = (min_uV - 1750001) / 50000; + else + val = 2; /* 2600mV */ + } else { /* 2600mV ~ 2800mV / 50mV */ + if (min_uV <= 2800000) { + val = (min_uV - 2550001) / 50000; + val += 2; + } else if (min_uV <= 3300000) + val = 7; + else + val = -EINVAL; } break; case PM8607_ID_LDO14: - switch (chip_id) { - case PM8607_CHIP_A0: - case PM8607_CHIP_A1: - if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */ - if (min_uV <= 1800000) - val = 0; - else if (min_uV <= 1900000) - val = (min_uV - 1750001) / 50000; - else - val = 3; /* 2700mV */ - } else { /* 2700mV ~ 2900mV / 50mV */ - if (min_uV <= 2900000) { - val = (min_uV - 2650001) / 50000; - val += 3; - } else - val = -EINVAL; - } - break; - case PM8607_CHIP_B0: - if (min_uV < 2700000) { /* 1800mV ~ 1850mV / 50mV */ - if (min_uV <= 1800000) - val = 0; - else if (min_uV <= 1850000) - val = (min_uV - 1750001) / 50000; - else - val = 2; /* 2700mV */ - } else { /* 2700mV ~ 2900mV / 50mV */ - if (min_uV <= 2900000) { - val = (min_uV - 2650001) / 50000; - val += 2; - } else if (min_uV <= 3300000) - val = 7; - else - val = -EINVAL; - } - break; + if (min_uV < 2700000) { /* 1800mV ~ 1850mV / 50mV */ + if (min_uV <= 1800000) + val = 0; + else if (min_uV <= 1850000) + val = (min_uV - 1750001) / 50000; + else + val = 2; /* 2700mV */ + } else { /* 2700mV ~ 2900mV / 50mV */ + if (min_uV <= 2900000) { + val = (min_uV - 2650001) / 50000; + val += 2; + } else if (min_uV <= 3300000) + val = 7; + else + val = -EINVAL; } break; } @@ -428,7 +294,6 @@ static int pm8607_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV) { struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); - struct pm8607_chip *chip = info->chip; uint8_t val, mask; int ret; @@ -443,13 +308,13 @@ static int pm8607_set_voltage(struct regulator_dev *rdev, val = (uint8_t)(ret << info->vol_shift); mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; - ret = pm8607_set_bits(chip, info->vol_reg, mask, val); + ret = pm860x_set_bits(info->i2c, info->vol_reg, mask, val); if (ret) return ret; switch (info->desc.id) { case PM8607_ID_BUCK1: case PM8607_ID_BUCK3: - ret = pm8607_set_bits(chip, info->update_reg, + ret = pm860x_set_bits(info->i2c, info->update_reg, 1 << info->update_bit, 1 << info->update_bit); break; @@ -460,11 +325,10 @@ static int pm8607_set_voltage(struct regulator_dev *rdev, static int pm8607_get_voltage(struct regulator_dev *rdev) { struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); - struct pm8607_chip *chip = info->chip; uint8_t val, mask; int ret; - ret = pm8607_reg_read(chip, info->vol_reg); + ret = pm860x_reg_read(info->i2c, info->vol_reg); if (ret < 0) return ret; @@ -477,9 +341,8 @@ static int pm8607_get_voltage(struct regulator_dev *rdev) static int pm8607_enable(struct regulator_dev *rdev) { struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); - struct pm8607_chip *chip = info->chip; - return pm8607_set_bits(chip, info->enable_reg, + return pm860x_set_bits(info->i2c, info->enable_reg, 1 << info->enable_bit, 1 << info->enable_bit); } @@ -487,19 +350,17 @@ static int pm8607_enable(struct regulator_dev *rdev) static int pm8607_disable(struct regulator_dev *rdev) { struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); - struct pm8607_chip *chip = info->chip; - return pm8607_set_bits(chip, info->enable_reg, + return pm860x_set_bits(info->i2c, info->enable_reg, 1 << info->enable_bit, 0); } static int pm8607_is_enabled(struct regulator_dev *rdev) { struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); - struct pm8607_chip *chip = info->chip; int ret; - ret = pm8607_reg_read(chip, info->enable_reg); + ret = pm860x_reg_read(info->i2c, info->enable_reg); if (ret < 0) return ret; @@ -589,8 +450,8 @@ static inline struct pm8607_regulator_info *find_regulator_info(int id) static int __devinit pm8607_regulator_probe(struct platform_device *pdev) { - struct pm8607_chip *chip = dev_get_drvdata(pdev->dev.parent); - struct pm8607_platform_data *pdata = chip->dev->platform_data; + struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent); + struct pm860x_platform_data *pdata = chip->dev->platform_data; struct pm8607_regulator_info *info = NULL; info = find_regulator_info(pdev->id); @@ -599,6 +460,7 @@ static int __devinit pm8607_regulator_probe(struct platform_device *pdev) return -EINVAL; } + info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion; info->chip = chip; info->regulator = regulator_register(&info->desc, &pdev->dev, diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 834b48441829..04f2e085116a 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -94,6 +94,12 @@ config REGULATOR_MAX8660 This driver controls a Maxim 8660/8661 voltage output regulator via I2C bus. +config REGULATOR_MAX8925 + tristate "Maxim MAX8925 Power Management IC" + depends on MFD_MAX8925 + help + Say y here to support the voltage regulaltor of Maxim MAX8925 PMIC. + config REGULATOR_TWL4030 bool "TI TWL4030/TWL5030/TWL6030/TPS695x0 PMIC" depends on TWL4030_CORE @@ -191,7 +197,7 @@ config REGULATOR_TPS6507X config REGULATOR_88PM8607 bool "Marvell 88PM8607 Power regulators" - depends on MFD_88PM8607=y + depends on MFD_88PM860X=y help This driver supports 88PM8607 voltage regulator chips. diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index e845b66ad59c..4e7feece22d5 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -15,6 +15,7 @@ obj-$(CONFIG_REGULATOR_MAX1586) += max1586.o obj-$(CONFIG_REGULATOR_TWL4030) += twl-regulator.o obj-$(CONFIG_REGULATOR_MAX8649) += max8649.o obj-$(CONFIG_REGULATOR_MAX8660) += max8660.o +obj-$(CONFIG_REGULATOR_MAX8925) += max8925-regulator.o obj-$(CONFIG_REGULATOR_WM831X) += wm831x-dcdc.o obj-$(CONFIG_REGULATOR_WM831X) += wm831x-isink.o obj-$(CONFIG_REGULATOR_WM831X) += wm831x-ldo.o diff --git a/drivers/regulator/max8925-regulator.c b/drivers/regulator/max8925-regulator.c new file mode 100644 index 000000000000..67873f08ed40 --- /dev/null +++ b/drivers/regulator/max8925-regulator.c @@ -0,0 +1,306 @@ +/* + * Regulators driver for Maxim max8925 + * + * Copyright (C) 2009 Marvell International Ltd. + * Haojian Zhuang <haojian.zhuang@marvell.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/err.h> +#include <linux/i2c.h> +#include <linux/platform_device.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <linux/mfd/max8925.h> + +#define SD1_DVM_VMIN 850000 +#define SD1_DVM_VMAX 1000000 +#define SD1_DVM_STEP 50000 +#define SD1_DVM_SHIFT 5 /* SDCTL1 bit5 */ +#define SD1_DVM_EN 6 /* SDV1 bit 6 */ + +struct max8925_regulator_info { + struct regulator_desc desc; + struct regulator_dev *regulator; + struct i2c_client *i2c; + struct max8925_chip *chip; + + int min_uV; + int max_uV; + int step_uV; + int vol_reg; + int vol_shift; + int vol_nbits; + int enable_bit; + int enable_reg; +}; + +static inline int check_range(struct max8925_regulator_info *info, + int min_uV, int max_uV) +{ + if (min_uV < info->min_uV || min_uV > info->max_uV) + return -EINVAL; + + return 0; +} + +static int max8925_list_voltage(struct regulator_dev *rdev, unsigned index) +{ + struct max8925_regulator_info *info = rdev_get_drvdata(rdev); + return info->min_uV + index * info->step_uV; +} + +static int max8925_set_voltage(struct regulator_dev *rdev, + int min_uV, int max_uV) +{ + struct max8925_regulator_info *info = rdev_get_drvdata(rdev); + unsigned char data, mask; + + if (check_range(info, min_uV, max_uV)) { + dev_err(info->chip->dev, "invalid voltage range (%d, %d) uV\n", + min_uV, max_uV); + return -EINVAL; + } + data = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV; + data <<= info->vol_shift; + mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; + + return max8925_set_bits(info->i2c, info->vol_reg, mask, data); +} + +static int max8925_get_voltage(struct regulator_dev *rdev) +{ + struct max8925_regulator_info *info = rdev_get_drvdata(rdev); + unsigned char data, mask; + int ret; + + ret = max8925_reg_read(info->i2c, info->vol_reg); + if (ret < 0) + return ret; + mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; + data = (ret & mask) >> info->vol_shift; + + return max8925_list_voltage(rdev, data); +} + +static int max8925_enable(struct regulator_dev *rdev) +{ + struct max8925_regulator_info *info = rdev_get_drvdata(rdev); + + return max8925_set_bits(info->i2c, info->enable_reg, + 1 << info->enable_bit, + 1 << info->enable_bit); +} + +static int max8925_disable(struct regulator_dev *rdev) +{ + struct max8925_regulator_info *info = rdev_get_drvdata(rdev); + + return max8925_set_bits(info->i2c, info->enable_reg, + 1 << info->enable_bit, 0); +} + +static int max8925_is_enabled(struct regulator_dev *rdev) +{ + struct max8925_regulator_info *info = rdev_get_drvdata(rdev); + int ret; + + ret = max8925_reg_read(info->i2c, info->vol_reg); + if (ret < 0) + return ret; + + return ret & (1 << info->enable_bit); +} + +static int max8925_set_dvm_voltage(struct regulator_dev *rdev, int uV) +{ + struct max8925_regulator_info *info = rdev_get_drvdata(rdev); + unsigned char data, mask; + + if (uV < SD1_DVM_VMIN || uV > SD1_DVM_VMAX) + return -EINVAL; + + data = (uV - SD1_DVM_VMIN + SD1_DVM_STEP - 1) / SD1_DVM_STEP; + data <<= SD1_DVM_SHIFT; + mask = 3 << SD1_DVM_SHIFT; + + return max8925_set_bits(info->i2c, info->enable_reg, mask, data); +} + +static int max8925_set_dvm_enable(struct regulator_dev *rdev) +{ + struct max8925_regulator_info *info = rdev_get_drvdata(rdev); + + return max8925_set_bits(info->i2c, info->vol_reg, 1 << SD1_DVM_EN, + 1 << SD1_DVM_EN); +} + +static int max8925_set_dvm_disable(struct regulator_dev *rdev) +{ + struct max8925_regulator_info *info = rdev_get_drvdata(rdev); + + return max8925_set_bits(info->i2c, info->vol_reg, 1 << SD1_DVM_EN, 0); +} + +static struct regulator_ops max8925_regulator_sdv_ops = { + .set_voltage = max8925_set_voltage, + .get_voltage = max8925_get_voltage, + .enable = max8925_enable, + .disable = max8925_disable, + .is_enabled = max8925_is_enabled, + .set_suspend_voltage = max8925_set_dvm_voltage, + .set_suspend_enable = max8925_set_dvm_enable, + .set_suspend_disable = max8925_set_dvm_disable, +}; + +static struct regulator_ops max8925_regulator_ldo_ops = { + .set_voltage = max8925_set_voltage, + .get_voltage = max8925_get_voltage, + .enable = max8925_enable, + .disable = max8925_disable, + .is_enabled = max8925_is_enabled, +}; + +#define MAX8925_SDV(_id, min, max, step) \ +{ \ + .desc = { \ + .name = "SDV" #_id, \ + .ops = &max8925_regulator_sdv_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = MAX8925_ID_SD##_id, \ + .owner = THIS_MODULE, \ + }, \ + .min_uV = min * 1000, \ + .max_uV = max * 1000, \ + .step_uV = step * 1000, \ + .vol_reg = MAX8925_SDV##_id, \ + .vol_shift = 0, \ + .vol_nbits = 6, \ + .enable_reg = MAX8925_SDCTL##_id, \ + .enable_bit = 0, \ +} + +#define MAX8925_LDO(_id, min, max, step) \ +{ \ + .desc = { \ + .name = "LDO" #_id, \ + .ops = &max8925_regulator_ldo_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = MAX8925_ID_LDO##_id, \ + .owner = THIS_MODULE, \ + }, \ + .min_uV = min * 1000, \ + .max_uV = max * 1000, \ + .step_uV = step * 1000, \ + .vol_reg = MAX8925_LDOVOUT##_id, \ + .vol_shift = 0, \ + .vol_nbits = 6, \ + .enable_reg = MAX8925_LDOCTL##_id, \ + .enable_bit = 0, \ +} + +static struct max8925_regulator_info max8925_regulator_info[] = { + MAX8925_SDV(1, 637.5, 1425, 12.5), + MAX8925_SDV(2, 650, 2225, 25), + MAX8925_SDV(3, 750, 3900, 50), + + MAX8925_LDO(1, 750, 3900, 50), + MAX8925_LDO(2, 650, 2250, 25), + MAX8925_LDO(3, 650, 2250, 25), + MAX8925_LDO(4, 750, 3900, 50), + MAX8925_LDO(5, 750, 3900, 50), + MAX8925_LDO(6, 750, 3900, 50), + MAX8925_LDO(7, 750, 3900, 50), + MAX8925_LDO(8, 750, 3900, 50), + MAX8925_LDO(9, 750, 3900, 50), + MAX8925_LDO(10, 750, 3900, 50), + MAX8925_LDO(11, 750, 3900, 50), + MAX8925_LDO(12, 750, 3900, 50), + MAX8925_LDO(13, 750, 3900, 50), + MAX8925_LDO(14, 750, 3900, 50), + MAX8925_LDO(15, 750, 3900, 50), + MAX8925_LDO(16, 750, 3900, 50), + MAX8925_LDO(17, 650, 2250, 25), + MAX8925_LDO(18, 650, 2250, 25), + MAX8925_LDO(19, 750, 3900, 50), + MAX8925_LDO(20, 750, 3900, 50), +}; + +static inline struct max8925_regulator_info *find_regulator_info(int id) +{ + struct max8925_regulator_info *ri; + int i; + + for (i = 0; i < ARRAY_SIZE(max8925_regulator_info); i++) { + ri = &max8925_regulator_info[i]; + if (ri->desc.id == id) + return ri; + } + return NULL; +} + +static int __devinit max8925_regulator_probe(struct platform_device *pdev) +{ + struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent); + struct max8925_platform_data *pdata = chip->dev->platform_data; + struct max8925_regulator_info *ri = NULL; + struct regulator_dev *rdev; + + ri = find_regulator_info(pdev->id); + if (ri == NULL) { + dev_err(&pdev->dev, "invalid regulator ID specified\n"); + return -EINVAL; + } + ri->i2c = chip->i2c; + ri->chip = chip; + + rdev = regulator_register(&ri->desc, &pdev->dev, + pdata->regulator[pdev->id], ri); + if (IS_ERR(rdev)) { + dev_err(&pdev->dev, "failed to register regulator %s\n", + ri->desc.name); + return PTR_ERR(rdev); + } + + platform_set_drvdata(pdev, rdev); + return 0; +} + +static int __devexit max8925_regulator_remove(struct platform_device *pdev) +{ + struct regulator_dev *rdev = platform_get_drvdata(pdev); + + regulator_unregister(rdev); + return 0; +} + +static struct platform_driver max8925_regulator_driver = { + .driver = { + .name = "max8925-regulator", + .owner = THIS_MODULE, + }, + .probe = max8925_regulator_probe, + .remove = __devexit_p(max8925_regulator_remove), +}; + +static int __init max8925_regulator_init(void) +{ + return platform_driver_register(&max8925_regulator_driver); +} +subsys_initcall(max8925_regulator_init); + +static void __exit max8925_regulator_exit(void) +{ + platform_driver_unregister(&max8925_regulator_driver); +} +module_exit(max8925_regulator_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>"); +MODULE_DESCRIPTION("Regulator Driver for Maxim 8925 PMIC"); +MODULE_ALIAS("platform:max8925-regulator"); + diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c index 94227dd6ba7b..723cd1fb4867 100644 --- a/drivers/regulator/wm8350-regulator.c +++ b/drivers/regulator/wm8350-regulator.c @@ -1453,7 +1453,7 @@ static int wm8350_regulator_remove(struct platform_device *pdev) struct regulator_dev *rdev = platform_get_drvdata(pdev); struct wm8350 *wm8350 = rdev_get_drvdata(rdev); - wm8350_free_irq(wm8350, wm8350_reg[pdev->id].irq); + wm8350_free_irq(wm8350, wm8350_reg[pdev->id].irq, rdev); regulator_unregister(rdev); |