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-rw-r--r--drivers/regulator/Kconfig34
-rw-r--r--drivers/regulator/Makefile5
-rw-r--r--drivers/regulator/ab8500.c427
-rw-r--r--drivers/regulator/ad5398.c288
-rw-r--r--drivers/regulator/isl6271a-regulator.c236
-rw-r--r--drivers/regulator/lp3971.c10
-rw-r--r--drivers/regulator/max1586.c10
-rw-r--r--drivers/regulator/max8660.c10
-rw-r--r--drivers/regulator/max8998.c635
-rw-r--r--drivers/regulator/tps65023-regulator.c2
-rw-r--r--drivers/regulator/tps6507x-regulator.c1
-rw-r--r--drivers/regulator/tps6586x-regulator.c396
-rw-r--r--drivers/regulator/wm8994-regulator.c5
13 files changed, 2038 insertions, 21 deletions
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 04f2e085116a..172951bf23a4 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -100,6 +100,14 @@ config REGULATOR_MAX8925
help
Say y here to support the voltage regulaltor of Maxim MAX8925 PMIC.
+config REGULATOR_MAX8998
+ tristate "Maxim 8998 voltage regulator"
+ depends on MFD_MAX8998
+ help
+ This driver controls a Maxim 8998 voltage output regulator
+ via I2C bus. The provided regulator is suitable for S3C6410
+ and S5PC1XX chips to control VCC_CORE and VCC_USIM voltages.
+
config REGULATOR_TWL4030
bool "TI TWL4030/TWL5030/TWL6030/TPS695x0 PMIC"
depends on TWL4030_CORE
@@ -201,5 +209,31 @@ config REGULATOR_88PM8607
help
This driver supports 88PM8607 voltage regulator chips.
+config REGULATOR_ISL6271A
+ tristate "Intersil ISL6271A Power regulator"
+ depends on I2C
+ help
+ This driver supports ISL6271A voltage regulator chip.
+
+config REGULATOR_AD5398
+ tristate "Analog Devices AD5398/AD5821 regulators"
+ depends on I2C
+ help
+ This driver supports AD5398 and AD5821 current regulator chips.
+ If building into module, its name is ad5398.ko.
+
+config REGULATOR_AB8500
+ bool "ST-Ericsson AB8500 Power Regulators"
+ depends on AB8500_CORE
+ help
+ This driver supports the regulators found on the ST-Ericsson mixed
+ signal AB8500 PMIC
+
+config REGULATOR_TPS6586X
+ tristate "TI TPS6586X Power regulators"
+ depends on MFD_TPS6586X
+ help
+ This driver supports TPS6586X voltage regulator chips.
+
endif
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 4e7feece22d5..8285fd832e16 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -8,6 +8,7 @@ obj-$(CONFIG_REGULATOR_FIXED_VOLTAGE) += fixed.o
obj-$(CONFIG_REGULATOR_VIRTUAL_CONSUMER) += virtual.o
obj-$(CONFIG_REGULATOR_USERSPACE_CONSUMER) += userspace-consumer.o
+obj-$(CONFIG_REGULATOR_AD5398) += ad5398.o
obj-$(CONFIG_REGULATOR_BQ24022) += bq24022.o
obj-$(CONFIG_REGULATOR_DUMMY) += dummy.o
obj-$(CONFIG_REGULATOR_LP3971) += lp3971.o
@@ -16,12 +17,14 @@ obj-$(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_MAX8998) += max8998.o
obj-$(CONFIG_REGULATOR_WM831X) += wm831x-dcdc.o
obj-$(CONFIG_REGULATOR_WM831X) += wm831x-isink.o
obj-$(CONFIG_REGULATOR_WM831X) += wm831x-ldo.o
obj-$(CONFIG_REGULATOR_WM8350) += wm8350-regulator.o
obj-$(CONFIG_REGULATOR_WM8400) += wm8400-regulator.o
obj-$(CONFIG_REGULATOR_WM8994) += wm8994-regulator.o
+obj-$(CONFIG_REGULATOR_TPS6586X) += tps6586x-regulator.o
obj-$(CONFIG_REGULATOR_DA903X) += da903x.o
obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o
obj-$(CONFIG_REGULATOR_PCAP) += pcap-regulator.o
@@ -31,5 +34,7 @@ obj-$(CONFIG_REGULATOR_AB3100) += ab3100.o
obj-$(CONFIG_REGULATOR_TPS65023) += tps65023-regulator.o
obj-$(CONFIG_REGULATOR_TPS6507X) += tps6507x-regulator.o
obj-$(CONFIG_REGULATOR_88PM8607) += 88pm8607.o
+obj-$(CONFIG_REGULATOR_ISL6271A) += isl6271a-regulator.o
+obj-$(CONFIG_REGULATOR_AB8500) += ab8500.o
ccflags-$(CONFIG_REGULATOR_DEBUG) += -DDEBUG
diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
new file mode 100644
index 000000000000..dc3f1a491675
--- /dev/null
+++ b/drivers/regulator/ab8500.c
@@ -0,0 +1,427 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License v2
+ *
+ * Author: Sundar Iyer <sundar.iyer@stericsson.com> for ST-Ericsson
+ *
+ * AB8500 peripheral regulators
+ *
+ * AB8500 supports the following regulators,
+ * LDOs - VAUDIO, VANAMIC2/2, VDIGMIC, VINTCORE12, VTVOUT,
+ * VAUX1/2/3, VANA
+ *
+ * for DB8500 cut 1.0 and previous versions of the silicon, all accesses
+ * to registers are through the DB8500 SPI. In cut 1.1 onwards, these
+ * accesses are through the DB8500 PRCMU I2C
+ *
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/ab8500.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/ab8500.h>
+
+/**
+ * struct ab8500_regulator_info - ab8500 regulator information
+ * @desc: regulator description
+ * @ab8500: ab8500 parent
+ * @regulator_dev: regulator device
+ * @max_uV: maximum voltage (for variable voltage supplies)
+ * @min_uV: minimum voltage (for variable voltage supplies)
+ * @fixed_uV: typical voltage (for fixed voltage supplies)
+ * @update_reg: register to control on/off
+ * @mask: mask to enable/disable regulator
+ * @enable: bits to enable the regulator in normal(high power) mode
+ * @voltage_reg: register to control regulator voltage
+ * @voltage_mask: mask to control regulator voltage
+ * @supported_voltages: supported voltage table
+ * @voltages_len: number of supported voltages for the regulator
+ */
+struct ab8500_regulator_info {
+ struct device *dev;
+ struct regulator_desc desc;
+ struct ab8500 *ab8500;
+ struct regulator_dev *regulator;
+ int max_uV;
+ int min_uV;
+ int fixed_uV;
+ int update_reg;
+ int mask;
+ int enable;
+ int voltage_reg;
+ int voltage_mask;
+ int const *supported_voltages;
+ int voltages_len;
+};
+
+/* voltage tables for the vauxn/vintcore supplies */
+static const int ldo_vauxn_voltages[] = {
+ 1100000,
+ 1200000,
+ 1300000,
+ 1400000,
+ 1500000,
+ 1800000,
+ 1850000,
+ 1900000,
+ 2500000,
+ 2650000,
+ 2700000,
+ 2750000,
+ 2800000,
+ 2900000,
+ 3000000,
+ 3300000,
+};
+
+static const int ldo_vintcore_voltages[] = {
+ 1200000,
+ 1225000,
+ 1250000,
+ 1275000,
+ 1300000,
+ 1325000,
+ 1350000,
+};
+
+static int ab8500_regulator_enable(struct regulator_dev *rdev)
+{
+ int regulator_id, ret;
+ struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
+
+ regulator_id = rdev_get_id(rdev);
+ if (regulator_id >= AB8500_NUM_REGULATORS)
+ return -EINVAL;
+
+ ret = ab8500_set_bits(info->ab8500, info->update_reg,
+ info->mask, info->enable);
+ if (ret < 0)
+ dev_err(rdev_get_dev(rdev),
+ "couldn't set enable bits for regulator\n");
+ return ret;
+}
+
+static int ab8500_regulator_disable(struct regulator_dev *rdev)
+{
+ int regulator_id, ret;
+ struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
+
+ regulator_id = rdev_get_id(rdev);
+ if (regulator_id >= AB8500_NUM_REGULATORS)
+ return -EINVAL;
+
+ ret = ab8500_set_bits(info->ab8500, info->update_reg,
+ info->mask, 0x0);
+ if (ret < 0)
+ dev_err(rdev_get_dev(rdev),
+ "couldn't set disable bits for regulator\n");
+ return ret;
+}
+
+static int ab8500_regulator_is_enabled(struct regulator_dev *rdev)
+{
+ int regulator_id, ret;
+ struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
+
+ regulator_id = rdev_get_id(rdev);
+ if (regulator_id >= AB8500_NUM_REGULATORS)
+ return -EINVAL;
+
+ ret = ab8500_read(info->ab8500, info->update_reg);
+ if (ret < 0) {
+ dev_err(rdev_get_dev(rdev),
+ "couldn't read 0x%x register\n", info->update_reg);
+ return ret;
+ }
+
+ if (ret & info->mask)
+ return true;
+ else
+ return false;
+}
+
+static int ab8500_list_voltage(struct regulator_dev *rdev, unsigned selector)
+{
+ int regulator_id;
+ struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
+
+ regulator_id = rdev_get_id(rdev);
+ if (regulator_id >= AB8500_NUM_REGULATORS)
+ return -EINVAL;
+
+ /* return the uV for the fixed regulators */
+ if (info->fixed_uV)
+ return info->fixed_uV;
+
+ if (selector > info->voltages_len)
+ return -EINVAL;
+
+ return info->supported_voltages[selector];
+}
+
+static int ab8500_regulator_get_voltage(struct regulator_dev *rdev)
+{
+ int regulator_id, ret, val;
+ struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
+
+ regulator_id = rdev_get_id(rdev);
+ if (regulator_id >= AB8500_NUM_REGULATORS)
+ return -EINVAL;
+
+ ret = ab8500_read(info->ab8500, info->voltage_reg);
+ if (ret < 0) {
+ dev_err(rdev_get_dev(rdev),
+ "couldn't read voltage reg for regulator\n");
+ return ret;
+ }
+
+ /* vintcore has a different layout */
+ val = ret & info->voltage_mask;
+ if (regulator_id == AB8500_LDO_INTCORE)
+ ret = info->supported_voltages[val >> 0x3];
+ else
+ ret = info->supported_voltages[val];
+
+ return ret;
+}
+
+static int ab8500_get_best_voltage_index(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
+{
+ struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
+ int i;
+
+ /* check the supported voltage */
+ for (i = 0; i < info->voltages_len; i++) {
+ if ((info->supported_voltages[i] >= min_uV) &&
+ (info->supported_voltages[i] <= max_uV))
+ return i;
+ }
+
+ return -EINVAL;
+}
+
+static int ab8500_regulator_set_voltage(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
+{
+ int regulator_id, ret;
+ struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
+
+ regulator_id = rdev_get_id(rdev);
+ if (regulator_id >= AB8500_NUM_REGULATORS)
+ return -EINVAL;
+
+ /* get the appropriate voltages within the range */
+ ret = ab8500_get_best_voltage_index(rdev, min_uV, max_uV);
+ if (ret < 0) {
+ dev_err(rdev_get_dev(rdev),
+ "couldn't get best voltage for regulator\n");
+ return ret;
+ }
+
+ /* set the registers for the request */
+ ret = ab8500_set_bits(info->ab8500, info->voltage_reg,
+ info->voltage_mask, ret);
+ if (ret < 0)
+ dev_err(rdev_get_dev(rdev),
+ "couldn't set voltage reg for regulator\n");
+
+ return ret;
+}
+
+static struct regulator_ops ab8500_regulator_ops = {
+ .enable = ab8500_regulator_enable,
+ .disable = ab8500_regulator_disable,
+ .is_enabled = ab8500_regulator_is_enabled,
+ .get_voltage = ab8500_regulator_get_voltage,
+ .set_voltage = ab8500_regulator_set_voltage,
+ .list_voltage = ab8500_list_voltage,
+};
+
+static int ab8500_fixed_get_voltage(struct regulator_dev *rdev)
+{
+ int regulator_id;
+ struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
+
+ regulator_id = rdev_get_id(rdev);
+ if (regulator_id >= AB8500_NUM_REGULATORS)
+ return -EINVAL;
+
+ return info->fixed_uV;
+}
+
+static struct regulator_ops ab8500_ldo_fixed_ops = {
+ .enable = ab8500_regulator_enable,
+ .disable = ab8500_regulator_disable,
+ .is_enabled = ab8500_regulator_is_enabled,
+ .get_voltage = ab8500_fixed_get_voltage,
+ .list_voltage = ab8500_list_voltage,
+};
+
+#define AB8500_LDO(_id, min, max, reg, reg_mask, reg_enable, \
+ volt_reg, volt_mask, voltages, \
+ len_volts) \
+{ \
+ .desc = { \
+ .name = "LDO-" #_id, \
+ .ops = &ab8500_regulator_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .id = AB8500_LDO_##_id, \
+ .owner = THIS_MODULE, \
+ }, \
+ .min_uV = (min) * 1000, \
+ .max_uV = (max) * 1000, \
+ .update_reg = reg, \
+ .mask = reg_mask, \
+ .enable = reg_enable, \
+ .voltage_reg = volt_reg, \
+ .voltage_mask = volt_mask, \
+ .supported_voltages = voltages, \
+ .voltages_len = len_volts, \
+ .fixed_uV = 0, \
+}
+
+#define AB8500_FIXED_LDO(_id, fixed, reg, reg_mask, \
+ reg_enable) \
+{ \
+ .desc = { \
+ .name = "LDO-" #_id, \
+ .ops = &ab8500_ldo_fixed_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .id = AB8500_LDO_##_id, \
+ .owner = THIS_MODULE, \
+ }, \
+ .fixed_uV = fixed * 1000, \
+ .update_reg = reg, \
+ .mask = reg_mask, \
+ .enable = reg_enable, \
+}
+
+static struct ab8500_regulator_info ab8500_regulator_info[] = {
+ /*
+ * Variable Voltage LDOs
+ * name, min uV, max uV, ctrl reg, reg mask, enable mask,
+ * volt ctrl reg, volt ctrl mask, volt table, num supported volts
+ */
+ AB8500_LDO(AUX1, 1100, 3300, 0x0409, 0x3, 0x1, 0x041f, 0xf,
+ ldo_vauxn_voltages, ARRAY_SIZE(ldo_vauxn_voltages)),
+ AB8500_LDO(AUX2, 1100, 3300, 0x0409, 0xc, 0x4, 0x0420, 0xf,
+ ldo_vauxn_voltages, ARRAY_SIZE(ldo_vauxn_voltages)),
+ AB8500_LDO(AUX3, 1100, 3300, 0x040a, 0x3, 0x1, 0x0421, 0xf,
+ ldo_vauxn_voltages, ARRAY_SIZE(ldo_vauxn_voltages)),
+ AB8500_LDO(INTCORE, 1100, 3300, 0x0380, 0x4, 0x4, 0x0380, 0x38,
+ ldo_vintcore_voltages, ARRAY_SIZE(ldo_vintcore_voltages)),
+
+ /*
+ * Fixed Voltage LDOs
+ * name, o/p uV, ctrl reg, enable, disable
+ */
+ AB8500_FIXED_LDO(TVOUT, 2000, 0x0380, 0x2, 0x2),
+ AB8500_FIXED_LDO(AUDIO, 2000, 0x0383, 0x2, 0x2),
+ AB8500_FIXED_LDO(ANAMIC1, 2050, 0x0383, 0x4, 0x4),
+ AB8500_FIXED_LDO(ANAMIC2, 2050, 0x0383, 0x8, 0x8),
+ AB8500_FIXED_LDO(DMIC, 1800, 0x0383, 0x10, 0x10),
+ AB8500_FIXED_LDO(ANA, 1200, 0x0383, 0xc, 0x4),
+};
+
+static inline struct ab8500_regulator_info *find_regulator_info(int id)
+{
+ struct ab8500_regulator_info *info;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(ab8500_regulator_info); i++) {
+ info = &ab8500_regulator_info[i];
+ if (info->desc.id == id)
+ return info;
+ }
+ return NULL;
+}
+
+static __devinit int ab8500_regulator_probe(struct platform_device *pdev)
+{
+ struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
+ struct ab8500_platform_data *pdata = dev_get_platdata(ab8500->dev);
+ int i, err;
+
+ if (!ab8500) {
+ dev_err(&pdev->dev, "null mfd parent\n");
+ return -EINVAL;
+ }
+
+ /* register all regulators */
+ for (i = 0; i < ARRAY_SIZE(ab8500_regulator_info); i++) {
+ struct ab8500_regulator_info *info = NULL;
+
+ /* assign per-regulator data */
+ info = &ab8500_regulator_info[i];
+ info->dev = &pdev->dev;
+ info->ab8500 = ab8500;
+
+ info->regulator = regulator_register(&info->desc, &pdev->dev,
+ pdata->regulator[i], info);
+ if (IS_ERR(info->regulator)) {
+ err = PTR_ERR(info->regulator);
+ dev_err(&pdev->dev, "failed to register regulator %s\n",
+ info->desc.name);
+ /* when we fail, un-register all earlier regulators */
+ i--;
+ while (i > 0) {
+ info = &ab8500_regulator_info[i];
+ regulator_unregister(info->regulator);
+ i--;
+ }
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+static __devexit int ab8500_regulator_remove(struct platform_device *pdev)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(ab8500_regulator_info); i++) {
+ struct ab8500_regulator_info *info = NULL;
+ info = &ab8500_regulator_info[i];
+ regulator_unregister(info->regulator);
+ }
+
+ return 0;
+}
+
+static struct platform_driver ab8500_regulator_driver = {
+ .probe = ab8500_regulator_probe,
+ .remove = __devexit_p(ab8500_regulator_remove),
+ .driver = {
+ .name = "ab8500-regulator",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init ab8500_regulator_init(void)
+{
+ int ret;
+
+ ret = platform_driver_register(&ab8500_regulator_driver);
+ if (ret != 0)
+ pr_err("Failed to register ab8500 regulator: %d\n", ret);
+
+ return ret;
+}
+subsys_initcall(ab8500_regulator_init);
+
+static void __exit ab8500_regulator_exit(void)
+{
+ platform_driver_unregister(&ab8500_regulator_driver);
+}
+module_exit(ab8500_regulator_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Sundar Iyer <sundar.iyer@stericsson.com>");
+MODULE_DESCRIPTION("Regulator Driver for ST-Ericsson AB8500 Mixed-Sig PMIC");
+MODULE_ALIAS("platform:ab8500-regulator");
diff --git a/drivers/regulator/ad5398.c b/drivers/regulator/ad5398.c
new file mode 100644
index 000000000000..d59d2f2314af
--- /dev/null
+++ b/drivers/regulator/ad5398.c
@@ -0,0 +1,288 @@
+/*
+ * Voltage and current regulation for AD5398 and AD5821
+ *
+ * Copyright 2010 Analog Devices Inc.
+ *
+ * Enter bugs at http://blackfin.uclinux.org/
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+
+#define AD5398_CURRENT_EN_MASK 0x8000
+
+struct ad5398_chip_info {
+ struct i2c_client *client;
+ int min_uA;
+ int max_uA;
+ unsigned int current_level;
+ unsigned int current_mask;
+ unsigned int current_offset;
+ struct regulator_dev rdev;
+};
+
+static int ad5398_calc_current(struct ad5398_chip_info *chip,
+ unsigned selector)
+{
+ unsigned range_uA = chip->max_uA - chip->min_uA;
+
+ return chip->min_uA + (selector * range_uA / chip->current_level);
+}
+
+static int ad5398_read_reg(struct i2c_client *client, unsigned short *data)
+{
+ unsigned short val;
+ int ret;
+
+ ret = i2c_master_recv(client, (char *)&val, 2);
+ if (ret < 0) {
+ dev_err(&client->dev, "I2C read error\n");
+ return ret;
+ }
+ *data = be16_to_cpu(val);
+
+ return ret;
+}
+
+static int ad5398_write_reg(struct i2c_client *client, const unsigned short data)
+{
+ unsigned short val;
+ int ret;
+
+ val = cpu_to_be16(data);
+ ret = i2c_master_send(client, (char *)&val, 2);
+ if (ret < 0)
+ dev_err(&client->dev, "I2C write error\n");
+
+ return ret;
+}
+
+static int ad5398_get_current_limit(struct regulator_dev *rdev)
+{
+ struct ad5398_chip_info *chip = rdev_get_drvdata(rdev);
+ struct i2c_client *client = chip->client;
+ unsigned short data;
+ int ret;
+
+ ret = ad5398_read_reg(client, &data);
+ if (ret < 0)
+ return ret;
+
+ ret = (data & chip->current_mask) >> chip->current_offset;
+
+ return ad5398_calc_current(chip, ret);
+}
+
+static int ad5398_set_current_limit(struct regulator_dev *rdev, int min_uA, int max_uA)
+{
+ struct ad5398_chip_info *chip = rdev_get_drvdata(rdev);
+ struct i2c_client *client = chip->client;
+ unsigned range_uA = chip->max_uA - chip->min_uA;
+ unsigned selector;
+ unsigned short data;
+ int ret;
+
+ if (min_uA > chip->max_uA || min_uA < chip->min_uA)
+ return -EINVAL;
+ if (max_uA > chip->max_uA || max_uA < chip->min_uA)
+ return -EINVAL;
+
+ selector = ((min_uA - chip->min_uA) * chip->current_level +
+ range_uA - 1) / range_uA;
+ if (ad5398_calc_current(chip, selector) > max_uA)
+ return -EINVAL;
+
+ dev_dbg(&client->dev, "changing current %dmA\n",
+ ad5398_calc_current(chip, selector) / 1000);
+
+ /* read chip enable bit */
+ ret = ad5398_read_reg(client, &data);
+ if (ret < 0)
+ return ret;
+
+ /* prepare register data */
+ selector = (selector << chip->current_offset) & chip->current_mask;
+ data = (unsigned short)selector | (data & AD5398_CURRENT_EN_MASK);
+
+ /* write the new current value back as well as enable bit */
+ ret = ad5398_write_reg(client, data);
+
+ return ret;
+}
+
+static int ad5398_is_enabled(struct regulator_dev *rdev)
+{
+ struct ad5398_chip_info *chip = rdev_get_drvdata(rdev);
+ struct i2c_client *client = chip->client;
+ unsigned short data;
+ int ret;
+
+ ret = ad5398_read_reg(client, &data);
+ if (ret < 0)
+ return ret;
+
+ if (data & AD5398_CURRENT_EN_MASK)
+ return 1;
+ else
+ return 0;
+}
+
+static int ad5398_enable(struct regulator_dev *rdev)
+{
+ struct ad5398_chip_info *chip = rdev_get_drvdata(rdev);
+ struct i2c_client *client = chip->client;
+ unsigned short data;
+ int ret;
+
+ ret = ad5398_read_reg(client, &data);
+ if (ret < 0)
+ return ret;
+
+ if (data & AD5398_CURRENT_EN_MASK)
+ return 0;
+
+ data |= AD5398_CURRENT_EN_MASK;
+
+ ret = ad5398_write_reg(client, data);
+
+ return ret;
+}
+
+static int ad5398_disable(struct regulator_dev *rdev)
+{
+ struct ad5398_chip_info *chip = rdev_get_drvdata(rdev);
+ struct i2c_client *client = chip->client;
+ unsigned short data;
+ int ret;
+
+ ret = ad5398_read_reg(client, &data);
+ if (ret < 0)
+ return ret;
+
+ if (!(data & AD5398_CURRENT_EN_MASK))
+ return 0;
+
+ data &= ~AD5398_CURRENT_EN_MASK;
+
+ ret = ad5398_write_reg(client, data);
+
+ return ret;
+}
+
+static struct regulator_ops ad5398_ops = {
+ .get_current_limit = ad5398_get_current_limit,
+ .set_current_limit = ad5398_set_current_limit,
+ .enable = ad5398_enable,
+ .disable = ad5398_disable,
+ .is_enabled = ad5398_is_enabled,
+};
+
+static struct regulator_desc ad5398_reg = {
+ .name = "isink",
+ .id = 0,
+ .ops = &ad5398_ops,
+ .type = REGULATOR_CURRENT,
+ .owner = THIS_MODULE,
+};
+
+struct ad5398_current_data_format {
+ int current_bits;
+ int current_offset;
+ int min_uA;
+ int max_uA;
+};
+
+static const struct ad5398_current_data_format df_10_4_120 = {10, 4, 0, 120000};
+
+static const struct i2c_device_id ad5398_id[] = {
+ { "ad5398", (kernel_ulong_t)&df_10_4_120 },
+ { "ad5821", (kernel_ulong_t)&df_10_4_120 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, ad5398_id);
+
+static int __devinit ad5398_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct regulator_dev *rdev;
+ struct regulator_init_data *init_data = client->dev.platform_data;
+ struct ad5398_chip_info *chip;
+ const struct ad5398_current_data_format *df =
+ (struct ad5398_current_data_format *)id->driver_data;
+ int ret;
+
+ if (!init_data)
+ return -EINVAL;
+
+ chip = kzalloc(sizeof(*chip), GFP_KERNEL);
+ if (!chip)
+ return -ENOMEM;
+
+ chip->client = client;
+
+ chip->min_uA = df->min_uA;
+ chip->max_uA = df->max_uA;
+ chip->current_level = 1 << df->current_bits;
+ chip->current_offset = df->current_offset;
+ chip->current_mask = (chip->current_level - 1) << chip->current_offset;
+
+ rdev = regulator_register(&ad5398_reg, &client->dev, init_data, chip);
+ if (IS_ERR(rdev)) {
+ ret = PTR_ERR(rdev);
+ dev_err(&client->dev, "failed to register %s %s\n",
+ id->name, ad5398_reg.name);
+ goto err;
+ }
+
+ i2c_set_clientdata(client, chip);
+ dev_dbg(&client->dev, "%s regulator driver is registered.\n", id->name);
+ return 0;
+
+err:
+ kfree(chip);
+ return ret;
+}
+
+static int __devexit ad5398_remove(struct i2c_client *client)
+{
+ struct ad5398_chip_info *chip = i2c_get_clientdata(client);
+
+ regulator_unregister(&chip->rdev);
+ kfree(chip);
+ i2c_set_clientdata(client, NULL);
+
+ return 0;
+}
+
+static struct i2c_driver ad5398_driver = {
+ .probe = ad5398_probe,
+ .remove = __devexit_p(ad5398_remove),
+ .driver = {
+ .name = "ad5398",
+ },
+ .id_table = ad5398_id,
+};
+
+static int __init ad5398_init(void)
+{
+ return i2c_add_driver(&ad5398_driver);
+}
+subsys_initcall(ad5398_init);
+
+static void __exit ad5398_exit(void)
+{
+ i2c_del_driver(&ad5398_driver);
+}
+module_exit(ad5398_exit);
+
+MODULE_DESCRIPTION("AD5398 and AD5821 current regulator driver");
+MODULE_AUTHOR("Sonic Zhang");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("i2c:ad5398-regulator");
diff --git a/drivers/regulator/isl6271a-regulator.c b/drivers/regulator/isl6271a-regulator.c
new file mode 100644
index 000000000000..e49d2bd393f2
--- /dev/null
+++ b/drivers/regulator/isl6271a-regulator.c
@@ -0,0 +1,236 @@
+/*
+ * isl6271a-regulator.c
+ *
+ * Support for Intersil ISL6271A voltage regulator
+ *
+ * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.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 version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
+ * whether express or implied; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/i2c.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+
+#define ISL6271A_VOLTAGE_MIN 850000
+#define ISL6271A_VOLTAGE_MAX 1600000
+#define ISL6271A_VOLTAGE_STEP 50000
+
+/* PMIC details */
+struct isl_pmic {
+ struct i2c_client *client;
+ struct regulator_dev *rdev[3];
+ struct mutex mtx;
+};
+
+static int isl6271a_get_voltage(struct regulator_dev *dev)
+{
+ struct isl_pmic *pmic = rdev_get_drvdata(dev);
+ int idx, data;
+
+ mutex_lock(&pmic->mtx);
+
+ idx = i2c_smbus_read_byte(pmic->client);
+ if (idx < 0) {
+ dev_err(&pmic->client->dev, "Error getting voltage\n");
+ data = idx;
+ goto out;
+ }
+
+ /* Convert the data from chip to microvolts */
+ data = ISL6271A_VOLTAGE_MIN + (ISL6271A_VOLTAGE_STEP * (idx & 0xf));
+
+out:
+ mutex_unlock(&pmic->mtx);
+ return data;
+}
+
+static int isl6271a_set_voltage(struct regulator_dev *dev, int minuV, int maxuV)
+{
+ struct isl_pmic *pmic = rdev_get_drvdata(dev);
+ int vsel, err, data;
+
+ if (minuV < ISL6271A_VOLTAGE_MIN || minuV > ISL6271A_VOLTAGE_MAX)
+ return -EINVAL;
+ if (maxuV < ISL6271A_VOLTAGE_MIN || maxuV > ISL6271A_VOLTAGE_MAX)
+ return -EINVAL;
+
+ /* Align to 50000 mV */
+ vsel = minuV - (minuV % ISL6271A_VOLTAGE_STEP);
+
+ /* If the result fell out of [minuV,maxuV] range, put it back */
+ if (vsel < minuV)
+ vsel += ISL6271A_VOLTAGE_STEP;
+
+ /* Convert the microvolts to data for the chip */
+ data = (vsel - ISL6271A_VOLTAGE_MIN) / ISL6271A_VOLTAGE_STEP;
+
+ mutex_lock(&pmic->mtx);
+
+ err = i2c_smbus_write_byte(pmic->client, data);
+ if (err < 0)
+ dev_err(&pmic->client->dev, "Error setting voltage\n");
+
+ mutex_unlock(&pmic->mtx);
+ return err;
+}
+
+static int isl6271a_list_voltage(struct regulator_dev *dev, unsigned selector)
+{
+ return ISL6271A_VOLTAGE_MIN + (ISL6271A_VOLTAGE_STEP * selector);
+}
+
+static struct regulator_ops isl_core_ops = {
+ .get_voltage = isl6271a_get_voltage,
+ .set_voltage = isl6271a_set_voltage,
+ .list_voltage = isl6271a_list_voltage,
+};
+
+static int isl6271a_get_fixed_voltage(struct regulator_dev *dev)
+{
+ int id = rdev_get_id(dev);
+ return (id == 1) ? 1100000 : 1300000;
+}
+
+static int isl6271a_list_fixed_voltage(struct regulator_dev *dev, unsigned selector)
+{
+ int id = rdev_get_id(dev);
+ return (id == 1) ? 1100000 : 1300000;
+}
+
+static struct regulator_ops isl_fixed_ops = {
+ .get_voltage = isl6271a_get_fixed_voltage,
+ .list_voltage = isl6271a_list_fixed_voltage,
+};
+
+static struct regulator_desc isl_rd[] = {
+ {
+ .name = "Core Buck",
+ .id = 0,
+ .n_voltages = 16,
+ .ops = &isl_core_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO1",
+ .id = 1,
+ .n_voltages = 1,
+ .ops = &isl_fixed_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO2",
+ .id = 2,
+ .n_voltages = 1,
+ .ops = &isl_fixed_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __devinit isl6271a_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct regulator_init_data *init_data = i2c->dev.platform_data;
+ struct isl_pmic *pmic;
+ int err, i;
+
+ if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+ return -EIO;
+
+ if (!init_data) {
+ dev_err(&i2c->dev, "no platform data supplied\n");
+ return -EIO;
+ }
+
+ pmic = kzalloc(sizeof(struct isl_pmic), GFP_KERNEL);
+ if (!pmic)
+ return -ENOMEM;
+
+ pmic->client = i2c;
+
+ mutex_init(&pmic->mtx);
+
+ for (i = 0; i < 3; i++) {
+ pmic->rdev[i] = regulator_register(&isl_rd[0], &i2c->dev,
+ init_data, pmic);
+ if (IS_ERR(pmic->rdev[i])) {
+ dev_err(&i2c->dev, "failed to register %s\n", id->name);
+ err = PTR_ERR(pmic->rdev);
+ goto error;
+ }
+ }
+
+ i2c_set_clientdata(i2c, pmic);
+
+ return 0;
+
+error:
+ while (--i >= 0)
+ regulator_unregister(pmic->rdev[i]);
+
+ kfree(pmic);
+ return err;
+}
+
+static int __devexit isl6271a_remove(struct i2c_client *i2c)
+{
+ struct isl_pmic *pmic = i2c_get_clientdata(i2c);
+ int i;
+
+ i2c_set_clientdata(i2c, NULL);
+
+ for (i = 0; i < 3; i++)
+ regulator_unregister(pmic->rdev[i]);
+
+ kfree(pmic);
+
+ return 0;
+}
+
+static const struct i2c_device_id isl6271a_id[] = {
+ {.name = "isl6271a", 0 },
+ { },
+};
+
+MODULE_DEVICE_TABLE(i2c, isl6271a_id);
+
+static struct i2c_driver isl6271a_i2c_driver = {
+ .driver = {
+ .name = "isl6271a",
+ .owner = THIS_MODULE,
+ },
+ .probe = isl6271a_probe,
+ .remove = __devexit_p(isl6271a_remove),
+ .id_table = isl6271a_id,
+};
+
+static int __init isl6271a_init(void)
+{
+ return i2c_add_driver(&isl6271a_i2c_driver);
+}
+
+static void __exit isl6271a_cleanup(void)
+{
+ i2c_del_driver(&isl6271a_i2c_driver);
+}
+
+subsys_initcall(isl6271a_init);
+module_exit(isl6271a_cleanup);
+
+MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
+MODULE_DESCRIPTION("Intersil ISL6271A voltage regulator driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/regulator/lp3971.c b/drivers/regulator/lp3971.c
index 8ae3732eb24b..3bb82b624e19 100644
--- a/drivers/regulator/lp3971.c
+++ b/drivers/regulator/lp3971.c
@@ -377,7 +377,7 @@ static int lp3971_i2c_read(struct i2c_client *i2c, char reg, int count,
if (count != 1)
return -EIO;
ret = i2c_smbus_read_byte_data(i2c, reg);
- if (ret < 0 || count != 1)
+ if (ret < 0)
return -EIO;
*dest = ret;
@@ -387,15 +387,9 @@ static int lp3971_i2c_read(struct i2c_client *i2c, char reg, int count,
static int lp3971_i2c_write(struct i2c_client *i2c, char reg, int count,
const u16 *src)
{
- int ret;
-
if (count != 1)
return -EIO;
- ret = i2c_smbus_write_byte_data(i2c, reg, *src);
- if (ret >= 0)
- return 0;
-
- return ret;
+ return i2c_smbus_write_byte_data(i2c, reg, *src);
}
static u8 lp3971_reg_read(struct lp3971 *lp3971, u8 reg)
diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c
index 2b54d9d75f11..8867c2710a6d 100644
--- a/drivers/regulator/max1586.c
+++ b/drivers/regulator/max1586.c
@@ -223,7 +223,7 @@ static int __devinit max1586_pmic_probe(struct i2c_client *client,
}
}
- i2c_set_clientdata(client, rdev);
+ i2c_set_clientdata(client, max1586);
dev_info(&client->dev, "Maxim 1586 regulator driver loaded\n");
return 0;
@@ -238,13 +238,13 @@ out:
static int __devexit max1586_pmic_remove(struct i2c_client *client)
{
- struct regulator_dev **rdev = i2c_get_clientdata(client);
+ struct max1586_data *max1586 = i2c_get_clientdata(client);
int i;
for (i = 0; i <= MAX1586_V6; i++)
- if (rdev[i])
- regulator_unregister(rdev[i]);
- kfree(rdev);
+ if (max1586->rdev[i])
+ regulator_unregister(max1586->rdev[i]);
+ kfree(max1586);
return 0;
}
diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c
index d97220efae5a..c570e6eb0db2 100644
--- a/drivers/regulator/max8660.c
+++ b/drivers/regulator/max8660.c
@@ -450,7 +450,7 @@ static int __devinit max8660_probe(struct i2c_client *client,
}
}
- i2c_set_clientdata(client, rdev);
+ i2c_set_clientdata(client, max8660);
dev_info(&client->dev, "Maxim 8660/8661 regulator driver loaded\n");
return 0;
@@ -465,13 +465,13 @@ out:
static int __devexit max8660_remove(struct i2c_client *client)
{
- struct regulator_dev **rdev = i2c_get_clientdata(client);
+ struct max8660 *max8660 = i2c_get_clientdata(client);
int i;
for (i = 0; i < MAX8660_V_END; i++)
- if (rdev[i])
- regulator_unregister(rdev[i]);
- kfree(rdev);
+ if (max8660->rdev[i])
+ regulator_unregister(max8660->rdev[i]);
+ kfree(max8660);
return 0;
}
diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c
new file mode 100644
index 000000000000..ab67298799f9
--- /dev/null
+++ b/drivers/regulator/max8998.c
@@ -0,0 +1,635 @@
+/*
+ * max8998.c - Voltage regulator driver for the Maxim 8998
+ *
+ * Copyright (C) 2009-2010 Samsung Electronics
+ * Kyungmin Park <kyungmin.park@samsung.com>
+ * Marek Szyprowski <m.szyprowski@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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/i2c.h>
+#include <linux/err.h>
+#include <linux/gpio.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/mutex.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/mfd/max8998.h>
+#include <linux/mfd/max8998-private.h>
+
+struct max8998_data {
+ struct device *dev;
+ struct max8998_dev *iodev;
+ int num_regulators;
+ struct regulator_dev **rdev;
+};
+
+struct voltage_map_desc {
+ int min;
+ int max;
+ int step;
+};
+
+/* Voltage maps */
+static const struct voltage_map_desc ldo23_voltage_map_desc = {
+ .min = 800, .step = 50, .max = 1300,
+};
+static const struct voltage_map_desc ldo456711_voltage_map_desc = {
+ .min = 1600, .step = 100, .max = 3600,
+};
+static const struct voltage_map_desc ldo8_voltage_map_desc = {
+ .min = 3000, .step = 100, .max = 3600,
+};
+static const struct voltage_map_desc ldo9_voltage_map_desc = {
+ .min = 2800, .step = 100, .max = 3100,
+};
+static const struct voltage_map_desc ldo10_voltage_map_desc = {
+ .min = 950, .step = 50, .max = 1300,
+};
+static const struct voltage_map_desc ldo1213_voltage_map_desc = {
+ .min = 800, .step = 100, .max = 3300,
+};
+static const struct voltage_map_desc ldo1415_voltage_map_desc = {
+ .min = 1200, .step = 100, .max = 3300,
+};
+static const struct voltage_map_desc ldo1617_voltage_map_desc = {
+ .min = 1600, .step = 100, .max = 3600,
+};
+static const struct voltage_map_desc buck12_voltage_map_desc = {
+ .min = 750, .step = 25, .max = 1525,
+};
+static const struct voltage_map_desc buck3_voltage_map_desc = {
+ .min = 1600, .step = 100, .max = 3600,
+};
+static const struct voltage_map_desc buck4_voltage_map_desc = {
+ .min = 800, .step = 100, .max = 2300,
+};
+
+static const struct voltage_map_desc *ldo_voltage_map[] = {
+ NULL,
+ NULL,
+ &ldo23_voltage_map_desc, /* LDO2 */
+ &ldo23_voltage_map_desc, /* LDO3 */
+ &ldo456711_voltage_map_desc, /* LDO4 */
+ &ldo456711_voltage_map_desc, /* LDO5 */
+ &ldo456711_voltage_map_desc, /* LDO6 */
+ &ldo456711_voltage_map_desc, /* LDO7 */
+ &ldo8_voltage_map_desc, /* LDO8 */
+ &ldo9_voltage_map_desc, /* LDO9 */
+ &ldo10_voltage_map_desc, /* LDO10 */
+ &ldo456711_voltage_map_desc, /* LDO11 */
+ &ldo1213_voltage_map_desc, /* LDO12 */
+ &ldo1213_voltage_map_desc, /* LDO13 */
+ &ldo1415_voltage_map_desc, /* LDO14 */
+ &ldo1415_voltage_map_desc, /* LDO15 */
+ &ldo1617_voltage_map_desc, /* LDO16 */
+ &ldo1617_voltage_map_desc, /* LDO17 */
+ &buck12_voltage_map_desc, /* BUCK1 */
+ &buck12_voltage_map_desc, /* BUCK2 */
+ &buck3_voltage_map_desc, /* BUCK3 */
+ &buck4_voltage_map_desc, /* BUCK4 */
+};
+
+static inline int max8998_get_ldo(struct regulator_dev *rdev)
+{
+ return rdev_get_id(rdev);
+}
+
+static int max8998_list_voltage(struct regulator_dev *rdev,
+ unsigned int selector)
+{
+ const struct voltage_map_desc *desc;
+ int ldo = max8998_get_ldo(rdev);
+ int val;
+
+ if (ldo >= ARRAY_SIZE(ldo_voltage_map))
+ return -EINVAL;
+
+ desc = ldo_voltage_map[ldo];
+ if (desc == NULL)
+ return -EINVAL;
+
+ val = desc->min + desc->step * selector;
+ if (val > desc->max)
+ return -EINVAL;
+
+ return val * 1000;
+}
+
+static int max8998_get_enable_register(struct regulator_dev *rdev,
+ int *reg, int *shift)
+{
+ int ldo = max8998_get_ldo(rdev);
+
+ switch (ldo) {
+ case MAX8998_LDO2 ... MAX8998_LDO5:
+ *reg = MAX8998_REG_ONOFF1;
+ *shift = 3 - (ldo - MAX8998_LDO2);
+ break;
+ case MAX8998_LDO6 ... MAX8998_LDO13:
+ *reg = MAX8998_REG_ONOFF2;
+ *shift = 7 - (ldo - MAX8998_LDO6);
+ break;
+ case MAX8998_LDO14 ... MAX8998_LDO17:
+ *reg = MAX8998_REG_ONOFF3;
+ *shift = 7 - (ldo - MAX8998_LDO14);
+ break;
+ case MAX8998_BUCK1 ... MAX8998_BUCK4:
+ *reg = MAX8998_REG_ONOFF1;
+ *shift = 7 - (ldo - MAX8998_BUCK1);
+ break;
+ case MAX8998_EN32KHZ_AP ... MAX8998_ENVICHG:
+ *reg = MAX8998_REG_ONOFF4;
+ *shift = 7 - (ldo - MAX8998_EN32KHZ_AP);
+ break;
+ case MAX8998_ESAFEOUT1 ... MAX8998_ESAFEOUT2:
+ *reg = MAX8998_REG_CHGR2;
+ *shift = 7 - (ldo - MAX8998_ESAFEOUT1);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int max8998_ldo_is_enabled(struct regulator_dev *rdev)
+{
+ struct max8998_data *max8998 = rdev_get_drvdata(rdev);
+ int ret, reg, shift = 8;
+ u8 val;
+
+ ret = max8998_get_enable_register(rdev, &reg, &shift);
+ if (ret)
+ return ret;
+
+ ret = max8998_read_reg(max8998->iodev, reg, &val);
+ if (ret)
+ return ret;
+
+ return val & (1 << shift);
+}
+
+static int max8998_ldo_enable(struct regulator_dev *rdev)
+{
+ struct max8998_data *max8998 = rdev_get_drvdata(rdev);
+ int reg, shift = 8, ret;
+
+ ret = max8998_get_enable_register(rdev, &reg, &shift);
+ if (ret)
+ return ret;
+
+ return max8998_update_reg(max8998->iodev, reg, 1<<shift, 1<<shift);
+}
+
+static int max8998_ldo_disable(struct regulator_dev *rdev)
+{
+ struct max8998_data *max8998 = rdev_get_drvdata(rdev);
+ int reg, shift = 8, ret;
+
+ ret = max8998_get_enable_register(rdev, &reg, &shift);
+ if (ret)
+ return ret;
+
+ return max8998_update_reg(max8998->iodev, reg, 0, 1<<shift);
+}
+
+static int max8998_get_voltage_register(struct regulator_dev *rdev,
+ int *_reg, int *_shift, int *_mask)
+{
+ int ldo = max8998_get_ldo(rdev);
+ int reg, shift = 0, mask = 0xff;
+
+ switch (ldo) {
+ case MAX8998_LDO2 ... MAX8998_LDO3:
+ reg = MAX8998_REG_LDO2_LDO3;
+ mask = 0xf;
+ if (ldo == MAX8998_LDO2)
+ shift = 4;
+ else
+ shift = 0;
+ break;
+ case MAX8998_LDO4 ... MAX8998_LDO7:
+ reg = MAX8998_REG_LDO4 + (ldo - MAX8998_LDO4);
+ break;
+ case MAX8998_LDO8 ... MAX8998_LDO9:
+ reg = MAX8998_REG_LDO8_LDO9;
+ mask = 0xf;
+ if (ldo == MAX8998_LDO8)
+ shift = 4;
+ else
+ shift = 0;
+ break;
+ case MAX8998_LDO10 ... MAX8998_LDO11:
+ reg = MAX8998_REG_LDO10_LDO11;
+ if (ldo == MAX8998_LDO10) {
+ shift = 5;
+ mask = 0x7;
+ } else {
+ shift = 0;
+ mask = 0x1f;
+ }
+ break;
+ case MAX8998_LDO12 ... MAX8998_LDO17:
+ reg = MAX8998_REG_LDO12 + (ldo - MAX8998_LDO12);
+ break;
+ case MAX8998_BUCK1:
+ reg = MAX8998_REG_BUCK1_DVSARM1;
+ break;
+ case MAX8998_BUCK2:
+ reg = MAX8998_REG_BUCK2_DVSINT1;
+ break;
+ case MAX8998_BUCK3:
+ reg = MAX8998_REG_BUCK3;
+ break;
+ case MAX8998_BUCK4:
+ reg = MAX8998_REG_BUCK4;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ *_reg = reg;
+ *_shift = shift;
+ *_mask = mask;
+
+ return 0;
+}
+
+static int max8998_get_voltage(struct regulator_dev *rdev)
+{
+ struct max8998_data *max8998 = rdev_get_drvdata(rdev);
+ int reg, shift = 0, mask, ret;
+ u8 val;
+
+ ret = max8998_get_voltage_register(rdev, &reg, &shift, &mask);
+ if (ret)
+ return ret;
+
+ ret = max8998_read_reg(max8998->iodev, reg, &val);
+ if (ret)
+ return ret;
+
+ val >>= shift;
+ val &= mask;
+
+ return max8998_list_voltage(rdev, val);
+}
+
+static int max8998_set_voltage(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
+{
+ struct max8998_data *max8998 = rdev_get_drvdata(rdev);
+ int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
+ int previous_vol = 0;
+ const struct voltage_map_desc *desc;
+ int ldo = max8998_get_ldo(rdev);
+ int reg, shift = 0, mask, ret;
+ int i = 0;
+ u8 val;
+ bool en_ramp = false;
+
+ if (ldo >= ARRAY_SIZE(ldo_voltage_map))
+ return -EINVAL;
+
+ desc = ldo_voltage_map[ldo];
+ if (desc == NULL)
+ return -EINVAL;
+
+ if (max_vol < desc->min || min_vol > desc->max)
+ return -EINVAL;
+
+ while (desc->min + desc->step*i < min_vol &&
+ desc->min + desc->step*i < desc->max)
+ i++;
+
+ if (desc->min + desc->step*i > max_vol)
+ return -EINVAL;
+
+ ret = max8998_get_voltage_register(rdev, &reg, &shift, &mask);
+ if (ret)
+ return ret;
+
+ /* wait for RAMP_UP_DELAY if rdev is BUCK1/2 and
+ * ENRAMP is ON */
+ if (ldo == MAX8998_BUCK1 || ldo == MAX8998_BUCK2) {
+ max8998_read_reg(max8998->iodev, MAX8998_REG_ONOFF4, &val);
+ if (val & (1 << 4)) {
+ en_ramp = true;
+ previous_vol = max8998_get_voltage(rdev);
+ }
+ }
+
+ ret = max8998_update_reg(max8998->iodev, reg, i<<shift, mask<<shift);
+
+ if (en_ramp == true) {
+ int difference = desc->min + desc->step*i - previous_vol/1000;
+ if (difference > 0)
+ udelay(difference / ((val & 0x0f) + 1));
+ }
+
+ return ret;
+}
+
+static struct regulator_ops max8998_ldo_ops = {
+ .list_voltage = max8998_list_voltage,
+ .is_enabled = max8998_ldo_is_enabled,
+ .enable = max8998_ldo_enable,
+ .disable = max8998_ldo_disable,
+ .get_voltage = max8998_get_voltage,
+ .set_voltage = max8998_set_voltage,
+ .set_suspend_enable = max8998_ldo_enable,
+ .set_suspend_disable = max8998_ldo_disable,
+};
+
+static struct regulator_ops max8998_buck_ops = {
+ .list_voltage = max8998_list_voltage,
+ .is_enabled = max8998_ldo_is_enabled,
+ .enable = max8998_ldo_enable,
+ .disable = max8998_ldo_disable,
+ .get_voltage = max8998_get_voltage,
+ .set_voltage = max8998_set_voltage,
+ .set_suspend_enable = max8998_ldo_enable,
+ .set_suspend_disable = max8998_ldo_disable,
+};
+
+static struct regulator_ops max8998_others_ops = {
+ .is_enabled = max8998_ldo_is_enabled,
+ .enable = max8998_ldo_enable,
+ .disable = max8998_ldo_disable,
+ .set_suspend_enable = max8998_ldo_enable,
+ .set_suspend_disable = max8998_ldo_disable,
+};
+
+static struct regulator_desc regulators[] = {
+ {
+ .name = "LDO2",
+ .id = MAX8998_LDO2,
+ .ops = &max8998_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO3",
+ .id = MAX8998_LDO3,
+ .ops = &max8998_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO4",
+ .id = MAX8998_LDO4,
+ .ops = &max8998_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO5",
+ .id = MAX8998_LDO5,
+ .ops = &max8998_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO6",
+ .id = MAX8998_LDO6,
+ .ops = &max8998_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO7",
+ .id = MAX8998_LDO7,
+ .ops = &max8998_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO8",
+ .id = MAX8998_LDO8,
+ .ops = &max8998_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO9",
+ .id = MAX8998_LDO9,
+ .ops = &max8998_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO10",
+ .id = MAX8998_LDO10,
+ .ops = &max8998_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO11",
+ .id = MAX8998_LDO11,
+ .ops = &max8998_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO12",
+ .id = MAX8998_LDO12,
+ .ops = &max8998_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO13",
+ .id = MAX8998_LDO13,
+ .ops = &max8998_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO14",
+ .id = MAX8998_LDO14,
+ .ops = &max8998_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO15",
+ .id = MAX8998_LDO15,
+ .ops = &max8998_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO16",
+ .id = MAX8998_LDO16,
+ .ops = &max8998_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO17",
+ .id = MAX8998_LDO17,
+ .ops = &max8998_ldo_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "BUCK1",
+ .id = MAX8998_BUCK1,
+ .ops = &max8998_buck_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "BUCK2",
+ .id = MAX8998_BUCK2,
+ .ops = &max8998_buck_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "BUCK3",
+ .id = MAX8998_BUCK3,
+ .ops = &max8998_buck_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "BUCK4",
+ .id = MAX8998_BUCK4,
+ .ops = &max8998_buck_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "EN32KHz AP",
+ .id = MAX8998_EN32KHZ_AP,
+ .ops = &max8998_others_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "EN32KHz CP",
+ .id = MAX8998_EN32KHZ_CP,
+ .ops = &max8998_others_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "ENVICHG",
+ .id = MAX8998_ENVICHG,
+ .ops = &max8998_others_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "ESAFEOUT1",
+ .id = MAX8998_ESAFEOUT1,
+ .ops = &max8998_others_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "ESAFEOUT2",
+ .id = MAX8998_ESAFEOUT2,
+ .ops = &max8998_others_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ }
+};
+
+static __devinit int max8998_pmic_probe(struct platform_device *pdev)
+{
+ struct max8998_dev *iodev = dev_get_drvdata(pdev->dev.parent);
+ struct max8998_platform_data *pdata = dev_get_platdata(iodev->dev);
+ struct regulator_dev **rdev;
+ struct max8998_data *max8998;
+ int i, ret, size;
+
+ if (!pdata) {
+ dev_err(pdev->dev.parent, "No platform init data supplied\n");
+ return -ENODEV;
+ }
+
+ max8998 = kzalloc(sizeof(struct max8998_data), GFP_KERNEL);
+ if (!max8998)
+ return -ENOMEM;
+
+ size = sizeof(struct regulator_dev *) * (pdata->num_regulators + 1);
+ max8998->rdev = kzalloc(size, GFP_KERNEL);
+ if (!max8998->rdev) {
+ kfree(max8998);
+ return -ENOMEM;
+ }
+
+ rdev = max8998->rdev;
+ max8998->iodev = iodev;
+ platform_set_drvdata(pdev, max8998);
+
+ for (i = 0; i < pdata->num_regulators; i++) {
+ const struct voltage_map_desc *desc;
+ int id = pdata->regulators[i].id;
+ int index = id - MAX8998_LDO2;
+
+ desc = ldo_voltage_map[id];
+ if (desc && regulators[index].ops != &max8998_others_ops) {
+ int count = (desc->max - desc->min) / desc->step + 1;
+ regulators[index].n_voltages = count;
+ }
+ rdev[i] = regulator_register(&regulators[index], max8998->dev,
+ pdata->regulators[i].initdata, max8998);
+ if (IS_ERR(rdev[i])) {
+ ret = PTR_ERR(rdev[i]);
+ dev_err(max8998->dev, "regulator init failed\n");
+ rdev[i] = NULL;
+ goto err;
+ }
+ }
+
+
+ return 0;
+err:
+ for (i = 0; i <= max8998->num_regulators; i++)
+ if (rdev[i])
+ regulator_unregister(rdev[i]);
+
+ kfree(max8998->rdev);
+ kfree(max8998);
+
+ return ret;
+}
+
+static int __devexit max8998_pmic_remove(struct platform_device *pdev)
+{
+ struct max8998_data *max8998 = platform_get_drvdata(pdev);
+ struct regulator_dev **rdev = max8998->rdev;
+ int i;
+
+ for (i = 0; i <= max8998->num_regulators; i++)
+ if (rdev[i])
+ regulator_unregister(rdev[i]);
+
+ kfree(max8998->rdev);
+ kfree(max8998);
+
+ return 0;
+}
+
+static struct platform_driver max8998_pmic_driver = {
+ .driver = {
+ .name = "max8998-pmic",
+ .owner = THIS_MODULE,
+ },
+ .probe = max8998_pmic_probe,
+ .remove = __devexit_p(max8998_pmic_remove),
+};
+
+static int __init max8998_pmic_init(void)
+{
+ return platform_driver_register(&max8998_pmic_driver);
+}
+subsys_initcall(max8998_pmic_init);
+
+static void __exit max8998_pmic_cleanup(void)
+{
+ platform_driver_unregister(&max8998_pmic_driver);
+}
+module_exit(max8998_pmic_cleanup);
+
+MODULE_DESCRIPTION("MAXIM 8998 voltage regulator driver");
+MODULE_AUTHOR("Kyungmin Park <kyungmin.park@samsung.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c
index f50afc9f287a..cd6d4fc9d74f 100644
--- a/drivers/regulator/tps65023-regulator.c
+++ b/drivers/regulator/tps65023-regulator.c
@@ -585,6 +585,8 @@ static const struct tps_info tps65023_regs[] = {
static const struct i2c_device_id tps_65023_id[] = {
{.name = "tps65023",
.driver_data = (unsigned long) tps65023_regs,},
+ {.name = "tps65021",
+ .driver_data = (unsigned long) tps65023_regs,},
{ },
};
diff --git a/drivers/regulator/tps6507x-regulator.c b/drivers/regulator/tps6507x-regulator.c
index 8152d65220f5..c239f42aa4a3 100644
--- a/drivers/regulator/tps6507x-regulator.c
+++ b/drivers/regulator/tps6507x-regulator.c
@@ -614,6 +614,7 @@ int tps6507x_pmic_probe(struct platform_device *pdev)
}
tps6507x_dev->pmic = tps;
+ platform_set_drvdata(pdev, tps6507x_dev);
return 0;
diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c
new file mode 100644
index 000000000000..8cff1413a147
--- /dev/null
+++ b/drivers/regulator/tps6586x-regulator.c
@@ -0,0 +1,396 @@
+/*
+ * Regulator driver for TI TPS6586x
+ *
+ * Copyright (C) 2010 Compulab Ltd.
+ * Author: Mike Rapoport <mike@compulab.co.il>
+ *
+ * Based on da903x
+ * Copyright (C) 2006-2008 Marvell International Ltd.
+ * Copyright (C) 2008 Compulab Ltd.
+ *
+ * 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/slab.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/mfd/tps6586x.h>
+
+/* supply control and voltage setting */
+#define TPS6586X_SUPPLYENA 0x10
+#define TPS6586X_SUPPLYENB 0x11
+#define TPS6586X_SUPPLYENC 0x12
+#define TPS6586X_SUPPLYEND 0x13
+#define TPS6586X_SUPPLYENE 0x14
+#define TPS6586X_VCC1 0x20
+#define TPS6586X_VCC2 0x21
+#define TPS6586X_SM1V1 0x23
+#define TPS6586X_SM1V2 0x24
+#define TPS6586X_SM1SL 0x25
+#define TPS6586X_SM0V1 0x26
+#define TPS6586X_SM0V2 0x27
+#define TPS6586X_SM0SL 0x28
+#define TPS6586X_LDO2AV1 0x29
+#define TPS6586X_LDO2AV2 0x2A
+#define TPS6586X_LDO2BV1 0x2F
+#define TPS6586X_LDO2BV2 0x30
+#define TPS6586X_LDO4V1 0x32
+#define TPS6586X_LDO4V2 0x33
+
+/* converter settings */
+#define TPS6586X_SUPPLYV1 0x41
+#define TPS6586X_SUPPLYV2 0x42
+#define TPS6586X_SUPPLYV3 0x43
+#define TPS6586X_SUPPLYV4 0x44
+#define TPS6586X_SUPPLYV5 0x45
+#define TPS6586X_SUPPLYV6 0x46
+#define TPS6586X_SMODE1 0x47
+#define TPS6586X_SMODE2 0x48
+
+struct tps6586x_regulator {
+ struct regulator_desc desc;
+
+ int volt_reg;
+ int volt_shift;
+ int volt_nbits;
+ int enable_bit[2];
+ int enable_reg[2];
+
+ int *voltages;
+
+ /* for DVM regulators */
+ int go_reg;
+ int go_bit;
+};
+
+static inline struct device *to_tps6586x_dev(struct regulator_dev *rdev)
+{
+ return rdev_get_dev(rdev)->parent->parent;
+}
+
+static int tps6586x_ldo_list_voltage(struct regulator_dev *rdev,
+ unsigned selector)
+{
+ struct tps6586x_regulator *info = rdev_get_drvdata(rdev);
+
+ return info->voltages[selector] * 1000;
+}
+
+
+static int __tps6586x_ldo_set_voltage(struct device *parent,
+ struct tps6586x_regulator *ri,
+ int min_uV, int max_uV)
+{
+ int val, uV;
+ uint8_t mask;
+
+ for (val = 0; val < ri->desc.n_voltages; val++) {
+ uV = ri->voltages[val] * 1000;
+
+ /* LDO0 has minimal voltage 1.2 rather than 1.25 */
+ if (ri->desc.id == TPS6586X_ID_LDO_0 && val == 0)
+ uV -= 50 * 1000;
+
+ /* use the first in-range value */
+ if (min_uV <= uV && uV <= max_uV) {
+
+ val <<= ri->volt_shift;
+ mask = ((1 << ri->volt_nbits) - 1) << ri->volt_shift;
+
+ return tps6586x_update(parent, ri->volt_reg, val, mask);
+ }
+ }
+
+ return -EINVAL;
+}
+
+static int tps6586x_ldo_set_voltage(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
+{
+ struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
+ struct device *parent = to_tps6586x_dev(rdev);
+
+ return __tps6586x_ldo_set_voltage(parent, ri, min_uV, max_uV);
+}
+
+static int tps6586x_ldo_get_voltage(struct regulator_dev *rdev)
+{
+ struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
+ struct device *parent = to_tps6586x_dev(rdev);
+ uint8_t val, mask;
+ int ret;
+
+ ret = tps6586x_read(parent, ri->volt_reg, &val);
+ if (ret)
+ return ret;
+
+ mask = ((1 << ri->volt_nbits) - 1) << ri->volt_shift;
+ val = (val & mask) >> ri->volt_shift;
+
+ if (val > ri->desc.n_voltages)
+ BUG();
+
+ return ri->voltages[val] * 1000;
+}
+
+static int tps6586x_dvm_set_voltage(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
+{
+ struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
+ struct device *parent = to_tps6586x_dev(rdev);
+ int ret;
+
+ ret = __tps6586x_ldo_set_voltage(parent, ri, min_uV, max_uV);
+ if (ret)
+ return ret;
+
+ return tps6586x_set_bits(parent, ri->go_reg, ri->go_bit);
+}
+
+static int tps6586x_regulator_enable(struct regulator_dev *rdev)
+{
+ struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
+ struct device *parent = to_tps6586x_dev(rdev);
+
+ return tps6586x_set_bits(parent, ri->enable_reg[0],
+ 1 << ri->enable_bit[0]);
+}
+
+static int tps6586x_regulator_disable(struct regulator_dev *rdev)
+{
+ struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
+ struct device *parent = to_tps6586x_dev(rdev);
+
+ return tps6586x_clr_bits(parent, ri->enable_reg[0],
+ 1 << ri->enable_bit[0]);
+}
+
+static int tps6586x_regulator_is_enabled(struct regulator_dev *rdev)
+{
+ struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
+ struct device *parent = to_tps6586x_dev(rdev);
+ uint8_t reg_val;
+ int ret;
+
+ ret = tps6586x_read(parent, ri->enable_reg[0], &reg_val);
+ if (ret)
+ return ret;
+
+ return !!(reg_val & (1 << ri->enable_bit[0]));
+}
+
+static struct regulator_ops tps6586x_regulator_ldo_ops = {
+ .list_voltage = tps6586x_ldo_list_voltage,
+ .get_voltage = tps6586x_ldo_get_voltage,
+ .set_voltage = tps6586x_ldo_set_voltage,
+
+ .is_enabled = tps6586x_regulator_is_enabled,
+ .enable = tps6586x_regulator_enable,
+ .disable = tps6586x_regulator_disable,
+};
+
+static struct regulator_ops tps6586x_regulator_dvm_ops = {
+ .list_voltage = tps6586x_ldo_list_voltage,
+ .get_voltage = tps6586x_ldo_get_voltage,
+ .set_voltage = tps6586x_dvm_set_voltage,
+
+ .is_enabled = tps6586x_regulator_is_enabled,
+ .enable = tps6586x_regulator_enable,
+ .disable = tps6586x_regulator_disable,
+};
+
+static int tps6586x_ldo_voltages[] = {
+ 1250, 1500, 1800, 2500, 2700, 2850, 3100, 3300,
+};
+
+static int tps6586x_ldo4_voltages[] = {
+ 1700, 1725, 1750, 1775, 1800, 1825, 1850, 1875,
+ 1900, 1925, 1950, 1975, 2000, 2025, 2050, 2075,
+ 2100, 2125, 2150, 2175, 2200, 2225, 2250, 2275,
+ 2300, 2325, 2350, 2375, 2400, 2425, 2450, 2475,
+};
+
+static int tps6586x_sm2_voltages[] = {
+ 3000, 3050, 3100, 3150, 3200, 3250, 3300, 3350,
+ 3400, 3450, 3500, 3550, 3600, 3650, 3700, 3750,
+ 3800, 3850, 3900, 3950, 4000, 4050, 4100, 4150,
+ 4200, 4250, 4300, 4350, 4400, 4450, 4500, 4550,
+};
+
+static int tps6586x_dvm_voltages[] = {
+ 725, 750, 775, 800, 825, 850, 875, 900,
+ 925, 950, 975, 1000, 1025, 1050, 1075, 1100,
+ 1125, 1150, 1175, 1200, 1225, 1250, 1275, 1300,
+ 1325, 1350, 1375, 1400, 1425, 1450, 1475, 1500,
+};
+
+#define TPS6586X_REGULATOR(_id, vdata, _ops, vreg, shift, nbits, \
+ ereg0, ebit0, ereg1, ebit1, goreg, gobit) \
+{ \
+ .desc = { \
+ .name = "REG-" #_id, \
+ .ops = &tps6586x_regulator_##_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .id = TPS6586X_ID_##_id, \
+ .n_voltages = ARRAY_SIZE(tps6586x_##vdata##_voltages), \
+ .owner = THIS_MODULE, \
+ }, \
+ .volt_reg = TPS6586X_##vreg, \
+ .volt_shift = (shift), \
+ .volt_nbits = (nbits), \
+ .enable_reg[0] = TPS6586X_SUPPLY##ereg0, \
+ .enable_bit[0] = (ebit0), \
+ .enable_reg[1] = TPS6586X_SUPPLY##ereg1, \
+ .enable_bit[1] = (ebit1), \
+ .voltages = tps6586x_##vdata##_voltages, \
+}
+
+#define TPS6586X_LDO(_id, vdata, vreg, shift, nbits, \
+ ereg0, ebit0, ereg1, ebit1) \
+ TPS6586X_REGULATOR(_id, vdata, ldo_ops, vreg, shift, nbits, \
+ ereg0, ebit0, ereg1, ebit1, 0, 0)
+
+#define TPS6586X_DVM(_id, vdata, vreg, shift, nbits, \
+ ereg0, ebit0, ereg1, ebit1, goreg, gobit) \
+ TPS6586X_REGULATOR(_id, vdata, dvm_ops, vreg, shift, nbits, \
+ ereg0, ebit0, ereg1, ebit1, goreg, gobit)
+
+static struct tps6586x_regulator tps6586x_regulator[] = {
+ TPS6586X_LDO(LDO_0, ldo, SUPPLYV1, 5, 3, ENC, 0, END, 0),
+ TPS6586X_LDO(LDO_3, ldo, SUPPLYV4, 0, 3, ENC, 2, END, 2),
+ TPS6586X_LDO(LDO_5, ldo, SUPPLYV6, 0, 3, ENE, 6, ENE, 6),
+ TPS6586X_LDO(LDO_6, ldo, SUPPLYV3, 0, 3, ENC, 4, END, 4),
+ TPS6586X_LDO(LDO_7, ldo, SUPPLYV3, 3, 3, ENC, 5, END, 5),
+ TPS6586X_LDO(LDO_8, ldo, SUPPLYV1, 5, 3, ENC, 6, END, 6),
+ TPS6586X_LDO(LDO_9, ldo, SUPPLYV6, 3, 3, ENE, 7, ENE, 7),
+ TPS6586X_LDO(LDO_RTC, ldo, SUPPLYV4, 3, 3, ENE, 7, ENE, 7),
+ TPS6586X_LDO(LDO_1, dvm, SUPPLYV1, 0, 5, ENC, 1, END, 1),
+ TPS6586X_LDO(SM_2, sm2, SUPPLYV2, 0, 5, ENC, 1, END, 1),
+
+ TPS6586X_DVM(LDO_2, dvm, LDO2BV1, 0, 5, ENA, 3, ENB, 3, VCC2, 6),
+ TPS6586X_DVM(LDO_4, ldo4, LDO4V1, 0, 5, ENC, 3, END, 3, VCC1, 6),
+ TPS6586X_DVM(SM_0, dvm, SM0V1, 0, 5, ENA, 1, ENB, 1, VCC1, 2),
+ TPS6586X_DVM(SM_1, dvm, SM1V1, 0, 5, ENA, 0, ENB, 0, VCC1, 0),
+};
+
+/*
+ * TPS6586X has 2 enable bits that are OR'ed to determine the actual
+ * regulator state. Clearing one of this bits allows switching
+ * regulator on and of with single register write.
+ */
+static inline int tps6586x_regulator_preinit(struct device *parent,
+ struct tps6586x_regulator *ri)
+{
+ uint8_t val1, val2;
+ int ret;
+
+ ret = tps6586x_read(parent, ri->enable_reg[0], &val1);
+ if (ret)
+ return ret;
+
+ ret = tps6586x_read(parent, ri->enable_reg[1], &val2);
+ if (ret)
+ return ret;
+
+ if (!(val2 & ri->enable_bit[1]))
+ return 0;
+
+ /*
+ * The regulator is on, but it's enabled with the bit we don't
+ * want to use, so we switch the enable bits
+ */
+ if (!(val1 & ri->enable_bit[0])) {
+ ret = tps6586x_set_bits(parent, ri->enable_reg[0],
+ 1 << ri->enable_bit[0]);
+ if (ret)
+ return ret;
+ }
+
+ return tps6586x_clr_bits(parent, ri->enable_reg[1],
+ 1 << ri->enable_bit[1]);
+}
+
+static inline struct tps6586x_regulator *find_regulator_info(int id)
+{
+ struct tps6586x_regulator *ri;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(tps6586x_regulator); i++) {
+ ri = &tps6586x_regulator[i];
+ if (ri->desc.id == id)
+ return ri;
+ }
+ return NULL;
+}
+
+static int __devinit tps6586x_regulator_probe(struct platform_device *pdev)
+{
+ struct tps6586x_regulator *ri = NULL;
+ struct regulator_dev *rdev;
+ int id = pdev->id;
+ int err;
+
+ dev_dbg(&pdev->dev, "Probing reulator %d\n", id);
+
+ ri = find_regulator_info(id);
+ if (ri == NULL) {
+ dev_err(&pdev->dev, "invalid regulator ID specified\n");
+ return -EINVAL;
+ }
+
+ err = tps6586x_regulator_preinit(pdev->dev.parent, ri);
+ if (err)
+ return err;
+
+ rdev = regulator_register(&ri->desc, &pdev->dev,
+ pdev->dev.platform_data, 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 tps6586x_regulator_remove(struct platform_device *pdev)
+{
+ struct regulator_dev *rdev = platform_get_drvdata(pdev);
+
+ regulator_unregister(rdev);
+ return 0;
+}
+
+static struct platform_driver tps6586x_regulator_driver = {
+ .driver = {
+ .name = "tps6586x-regulator",
+ .owner = THIS_MODULE,
+ },
+ .probe = tps6586x_regulator_probe,
+ .remove = __devexit_p(tps6586x_regulator_remove),
+};
+
+static int __init tps6586x_regulator_init(void)
+{
+ return platform_driver_register(&tps6586x_regulator_driver);
+}
+subsys_initcall(tps6586x_regulator_init);
+
+static void __exit tps6586x_regulator_exit(void)
+{
+ platform_driver_unregister(&tps6586x_regulator_driver);
+}
+module_exit(tps6586x_regulator_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
+MODULE_DESCRIPTION("Regulator Driver for TI TPS6586X PMIC");
+MODULE_ALIAS("platform:tps6586x-regulator");
diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c
index 5a1dc8a24d35..03713bc66e4a 100644
--- a/drivers/regulator/wm8994-regulator.c
+++ b/drivers/regulator/wm8994-regulator.c
@@ -219,8 +219,6 @@ static __devinit int wm8994_ldo_probe(struct platform_device *pdev)
ldo->wm8994 = wm8994;
- ldo->is_enabled = true;
-
if (pdata->ldo[id].enable && gpio_is_valid(pdata->ldo[id].enable)) {
ldo->enable = pdata->ldo[id].enable;
@@ -237,7 +235,8 @@ static __devinit int wm8994_ldo_probe(struct platform_device *pdev)
ret);
goto err_gpio;
}
- }
+ } else
+ ldo->is_enabled = true;
ldo->regulator = regulator_register(&wm8994_ldo_desc[id], &pdev->dev,
pdata->ldo[id].init_data, ldo);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 21:51:40 +0000