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-rw-r--r--drivers/regulator/Kconfig14
-rw-r--r--drivers/regulator/Makefile2
-rw-r--r--drivers/regulator/aat2870-regulator.c232
-rw-r--r--drivers/regulator/tps65023-regulator.c97
-rw-r--r--drivers/regulator/tps65912-regulator.c800
5 files changed, 1075 insertions, 70 deletions
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index d7ed20f293d7..c7fd2c0e3f2b 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -235,6 +235,7 @@ config REGULATOR_TPS6105X
config REGULATOR_TPS65023
tristate "TI TPS65023 Power regulators"
depends on I2C
+ select REGMAP_I2C
help
This driver supports TPS65023 voltage regulator chips. TPS65023 provides
three step-down converters and two general-purpose LDO voltage regulators.
@@ -248,6 +249,12 @@ config REGULATOR_TPS6507X
three step-down converters and two general-purpose LDO voltage regulators.
It supports TI's software based Class-2 SmartReflex implementation.
+config REGULATOR_TPS65912
+ tristate "TI TPS65912 Power regulator"
+ depends on (MFD_TPS65912_I2C || MFD_TPS65912_SPI)
+ help
+ This driver supports TPS65912 voltage regulator chip.
+
config REGULATOR_88PM8607
bool "Marvell 88PM8607 Power regulators"
depends on MFD_88PM860X=y
@@ -303,5 +310,12 @@ config REGULATOR_TPS65910
help
This driver supports TPS65910 voltage regulator chips.
+config REGULATOR_AAT2870
+ tristate "AnalogicTech AAT2870 Regulators"
+ depends on MFD_AAT2870_CORE
+ help
+ If you have a AnalogicTech AAT2870 say Y to enable the
+ regulator driver.
+
endif
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 3932d2ec38f3..040d5aa63535 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -38,10 +38,12 @@ obj-$(CONFIG_REGULATOR_TPS6105X) += tps6105x-regulator.o
obj-$(CONFIG_REGULATOR_TPS65023) += tps65023-regulator.o
obj-$(CONFIG_REGULATOR_TPS6507X) += tps6507x-regulator.o
obj-$(CONFIG_REGULATOR_TPS6524X) += tps6524x-regulator.o
+obj-$(CONFIG_REGULATOR_TPS65912) += tps65912-regulator.o
obj-$(CONFIG_REGULATOR_88PM8607) += 88pm8607.o
obj-$(CONFIG_REGULATOR_ISL6271A) += isl6271a-regulator.o
obj-$(CONFIG_REGULATOR_AB8500) += ab8500.o
obj-$(CONFIG_REGULATOR_DB8500_PRCMU) += db8500-prcmu.o
obj-$(CONFIG_REGULATOR_TPS65910) += tps65910-regulator.o
+obj-$(CONFIG_REGULATOR_AAT2870) += aat2870-regulator.o
ccflags-$(CONFIG_REGULATOR_DEBUG) += -DDEBUG
diff --git a/drivers/regulator/aat2870-regulator.c b/drivers/regulator/aat2870-regulator.c
new file mode 100644
index 000000000000..cd4104542f0d
--- /dev/null
+++ b/drivers/regulator/aat2870-regulator.c
@@ -0,0 +1,232 @@
+/*
+ * linux/drivers/regulator/aat2870-regulator.c
+ *
+ * Copyright (c) 2011, NVIDIA Corporation.
+ * Author: Jin Park <jinyoungp@nvidia.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.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/mfd/aat2870.h>
+
+struct aat2870_regulator {
+ struct platform_device *pdev;
+ struct regulator_desc desc;
+
+ const int *voltages; /* uV */
+
+ int min_uV;
+ int max_uV;
+
+ u8 enable_addr;
+ u8 enable_shift;
+ u8 enable_mask;
+
+ u8 voltage_addr;
+ u8 voltage_shift;
+ u8 voltage_mask;
+};
+
+static int aat2870_ldo_list_voltage(struct regulator_dev *rdev,
+ unsigned selector)
+{
+ struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
+
+ return ri->voltages[selector];
+}
+
+static int aat2870_ldo_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned selector)
+{
+ struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
+ struct aat2870_data *aat2870 = dev_get_drvdata(ri->pdev->dev.parent);
+
+ return aat2870->update(aat2870, ri->voltage_addr, ri->voltage_mask,
+ (selector << ri->voltage_shift) & ri->voltage_mask);
+}
+
+static int aat2870_ldo_get_voltage_sel(struct regulator_dev *rdev)
+{
+ struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
+ struct aat2870_data *aat2870 = dev_get_drvdata(ri->pdev->dev.parent);
+ u8 val;
+ int ret;
+
+ ret = aat2870->read(aat2870, ri->voltage_addr, &val);
+ if (ret)
+ return ret;
+
+ return (val & ri->voltage_mask) >> ri->voltage_shift;
+}
+
+static int aat2870_ldo_enable(struct regulator_dev *rdev)
+{
+ struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
+ struct aat2870_data *aat2870 = dev_get_drvdata(ri->pdev->dev.parent);
+
+ return aat2870->update(aat2870, ri->enable_addr, ri->enable_mask,
+ ri->enable_mask);
+}
+
+static int aat2870_ldo_disable(struct regulator_dev *rdev)
+{
+ struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
+ struct aat2870_data *aat2870 = dev_get_drvdata(ri->pdev->dev.parent);
+
+ return aat2870->update(aat2870, ri->enable_addr, ri->enable_mask, 0);
+}
+
+static int aat2870_ldo_is_enabled(struct regulator_dev *rdev)
+{
+ struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
+ struct aat2870_data *aat2870 = dev_get_drvdata(ri->pdev->dev.parent);
+ u8 val;
+ int ret;
+
+ ret = aat2870->read(aat2870, ri->enable_addr, &val);
+ if (ret)
+ return ret;
+
+ return val & ri->enable_mask ? 1 : 0;
+}
+
+static struct regulator_ops aat2870_ldo_ops = {
+ .list_voltage = aat2870_ldo_list_voltage,
+ .set_voltage_sel = aat2870_ldo_set_voltage_sel,
+ .get_voltage_sel = aat2870_ldo_get_voltage_sel,
+ .enable = aat2870_ldo_enable,
+ .disable = aat2870_ldo_disable,
+ .is_enabled = aat2870_ldo_is_enabled,
+};
+
+static const int aat2870_ldo_voltages[] = {
+ 1200000, 1300000, 1500000, 1600000,
+ 1800000, 2000000, 2200000, 2500000,
+ 2600000, 2700000, 2800000, 2900000,
+ 3000000, 3100000, 3200000, 3300000,
+};
+
+#define AAT2870_LDO(ids) \
+ { \
+ .desc = { \
+ .name = #ids, \
+ .id = AAT2870_ID_##ids, \
+ .n_voltages = ARRAY_SIZE(aat2870_ldo_voltages), \
+ .ops = &aat2870_ldo_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ }, \
+ .voltages = aat2870_ldo_voltages, \
+ .min_uV = 1200000, \
+ .max_uV = 3300000, \
+ }
+
+static struct aat2870_regulator aat2870_regulators[] = {
+ AAT2870_LDO(LDOA),
+ AAT2870_LDO(LDOB),
+ AAT2870_LDO(LDOC),
+ AAT2870_LDO(LDOD),
+};
+
+static struct aat2870_regulator *aat2870_get_regulator(int id)
+{
+ struct aat2870_regulator *ri = NULL;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(aat2870_regulators); i++) {
+ ri = &aat2870_regulators[i];
+ if (ri->desc.id == id)
+ break;
+ }
+
+ if (!ri)
+ return NULL;
+
+ ri->enable_addr = AAT2870_LDO_EN;
+ ri->enable_shift = id - AAT2870_ID_LDOA;
+ ri->enable_mask = 0x1 << ri->enable_shift;
+
+ ri->voltage_addr = (id - AAT2870_ID_LDOA) / 2 ?
+ AAT2870_LDO_CD : AAT2870_LDO_AB;
+ ri->voltage_shift = (id - AAT2870_ID_LDOA) % 2 ? 0 : 4;
+ ri->voltage_mask = 0xF << ri->voltage_shift;
+
+ return ri;
+}
+
+static int aat2870_regulator_probe(struct platform_device *pdev)
+{
+ struct aat2870_regulator *ri;
+ struct regulator_dev *rdev;
+
+ ri = aat2870_get_regulator(pdev->id);
+ if (!ri) {
+ dev_err(&pdev->dev, "Invalid device ID, %d\n", pdev->id);
+ return -EINVAL;
+ }
+ ri->pdev = pdev;
+
+ 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 aat2870_regulator_remove(struct platform_device *pdev)
+{
+ struct regulator_dev *rdev = platform_get_drvdata(pdev);
+
+ regulator_unregister(rdev);
+ return 0;
+}
+
+static struct platform_driver aat2870_regulator_driver = {
+ .driver = {
+ .name = "aat2870-regulator",
+ .owner = THIS_MODULE,
+ },
+ .probe = aat2870_regulator_probe,
+ .remove = __devexit_p(aat2870_regulator_remove),
+};
+
+static int __init aat2870_regulator_init(void)
+{
+ return platform_driver_register(&aat2870_regulator_driver);
+}
+subsys_initcall(aat2870_regulator_init);
+
+static void __exit aat2870_regulator_exit(void)
+{
+ platform_driver_unregister(&aat2870_regulator_driver);
+}
+module_exit(aat2870_regulator_exit);
+
+MODULE_DESCRIPTION("AnalogicTech AAT2870 Regulator");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jin Park <jinyoungp@nvidia.com>");
diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c
index fbddc15e1811..701a5900f83f 100644
--- a/drivers/regulator/tps65023-regulator.c
+++ b/drivers/regulator/tps65023-regulator.c
@@ -25,6 +25,7 @@
#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/slab.h>
+#include <linux/regmap.h>
/* Register definitions */
#define TPS65023_REG_VERSION 0
@@ -125,93 +126,35 @@ struct tps_pmic {
struct i2c_client *client;
struct regulator_dev *rdev[TPS65023_NUM_REGULATOR];
const struct tps_info *info[TPS65023_NUM_REGULATOR];
- struct mutex io_lock;
+ struct regmap *regmap;
};
-static inline int tps_65023_read(struct tps_pmic *tps, u8 reg)
-{
- return i2c_smbus_read_byte_data(tps->client, reg);
-}
-
-static inline int tps_65023_write(struct tps_pmic *tps, u8 reg, u8 val)
-{
- return i2c_smbus_write_byte_data(tps->client, reg, val);
-}
-
static int tps_65023_set_bits(struct tps_pmic *tps, u8 reg, u8 mask)
{
- int err, data;
-
- mutex_lock(&tps->io_lock);
-
- data = tps_65023_read(tps, reg);
- if (data < 0) {
- dev_err(&tps->client->dev, "Read from reg 0x%x failed\n", reg);
- err = data;
- goto out;
- }
-
- data |= mask;
- err = tps_65023_write(tps, reg, data);
- if (err)
- dev_err(&tps->client->dev, "Write for reg 0x%x failed\n", reg);
-
-out:
- mutex_unlock(&tps->io_lock);
- return err;
+ return regmap_update_bits(tps->regmap, reg, mask, mask);
}
static int tps_65023_clear_bits(struct tps_pmic *tps, u8 reg, u8 mask)
{
- int err, data;
-
- mutex_lock(&tps->io_lock);
-
- data = tps_65023_read(tps, reg);
- if (data < 0) {
- dev_err(&tps->client->dev, "Read from reg 0x%x failed\n", reg);
- err = data;
- goto out;
- }
-
- data &= ~mask;
-
- err = tps_65023_write(tps, reg, data);
- if (err)
- dev_err(&tps->client->dev, "Write for reg 0x%x failed\n", reg);
-
-out:
- mutex_unlock(&tps->io_lock);
- return err;
-
+ return regmap_update_bits(tps->regmap, reg, mask, 0);
}
static int tps_65023_reg_read(struct tps_pmic *tps, u8 reg)
{
- int data;
+ unsigned int val;
+ int ret;
- mutex_lock(&tps->io_lock);
+ ret = regmap_read(tps->regmap, reg, &val);
- data = tps_65023_read(tps, reg);
- if (data < 0)
- dev_err(&tps->client->dev, "Read from reg 0x%x failed\n", reg);
-
- mutex_unlock(&tps->io_lock);
- return data;
+ if (ret != 0)
+ return ret;
+ else
+ return val;
}
static int tps_65023_reg_write(struct tps_pmic *tps, u8 reg, u8 val)
{
- int err;
-
- mutex_lock(&tps->io_lock);
-
- err = tps_65023_write(tps, reg, val);
- if (err < 0)
- dev_err(&tps->client->dev, "Write for reg 0x%x failed\n", reg);
-
- mutex_unlock(&tps->io_lock);
- return err;
+ return regmap_write(tps->regmap, reg, val);
}
static int tps65023_dcdc_is_enabled(struct regulator_dev *dev)
@@ -463,6 +406,11 @@ static struct regulator_ops tps65023_ldo_ops = {
.list_voltage = tps65023_ldo_list_voltage,
};
+static struct regmap_config tps65023_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+};
+
static int __devinit tps_65023_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@@ -488,7 +436,13 @@ static int __devinit tps_65023_probe(struct i2c_client *client,
if (!tps)
return -ENOMEM;
- mutex_init(&tps->io_lock);
+ tps->regmap = regmap_init_i2c(client, &tps65023_regmap_config);
+ if (IS_ERR(tps->regmap)) {
+ error = PTR_ERR(tps->regmap);
+ dev_err(&client->dev, "Failed to allocate register map: %d\n",
+ error);
+ goto fail_alloc;
+ }
/* common for all regulators */
tps->client = client;
@@ -527,6 +481,8 @@ static int __devinit tps_65023_probe(struct i2c_client *client,
while (--i >= 0)
regulator_unregister(tps->rdev[i]);
+ regmap_exit(tps->regmap);
+ fail_alloc:
kfree(tps);
return error;
}
@@ -545,6 +501,7 @@ static int __devexit tps_65023_remove(struct i2c_client *client)
for (i = 0; i < TPS65023_NUM_REGULATOR; i++)
regulator_unregister(tps->rdev[i]);
+ regmap_exit(tps->regmap);
kfree(tps);
return 0;
diff --git a/drivers/regulator/tps65912-regulator.c b/drivers/regulator/tps65912-regulator.c
new file mode 100644
index 000000000000..3a9313e00fac
--- /dev/null
+++ b/drivers/regulator/tps65912-regulator.c
@@ -0,0 +1,800 @@
+/*
+ * tps65912.c -- TI tps65912
+ *
+ * Copyright 2011 Texas Instruments Inc.
+ *
+ * Author: Margarita Olaya Cabrera <magi@slimlogic.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This driver is based on wm8350 implementation.
+ */
+
+#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/regulator/machine.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/gpio.h>
+#include <linux/mfd/tps65912.h>
+
+/* DCDC's */
+#define TPS65912_REG_DCDC1 0
+#define TPS65912_REG_DCDC2 1
+#define TPS65912_REG_DCDC3 2
+#define TPS65912_REG_DCDC4 3
+
+/* LDOs */
+#define TPS65912_REG_LDO1 4
+#define TPS65912_REG_LDO2 5
+#define TPS65912_REG_LDO3 6
+#define TPS65912_REG_LDO4 7
+#define TPS65912_REG_LDO5 8
+#define TPS65912_REG_LDO6 9
+#define TPS65912_REG_LDO7 10
+#define TPS65912_REG_LDO8 11
+#define TPS65912_REG_LDO9 12
+#define TPS65912_REG_LDO10 13
+
+#define TPS65912_MAX_REG_ID TPS65912_REG_LDO_10
+
+/* Number of step-down converters available */
+#define TPS65912_NUM_DCDC 4
+
+/* Number of LDO voltage regulators available */
+#define TPS65912_NUM_LDO 10
+
+/* Number of total regulators available */
+#define TPS65912_NUM_REGULATOR (TPS65912_NUM_DCDC + TPS65912_NUM_LDO)
+
+#define TPS65912_REG_ENABLED 0x80
+#define OP_SELREG_MASK 0x40
+#define OP_SELREG_SHIFT 6
+
+struct tps_info {
+ const char *name;
+};
+
+static struct tps_info tps65912_regs[] = {
+ {
+ .name = "DCDC1",
+ },
+ {
+ .name = "DCDC2",
+ },
+ {
+ .name = "DCDC3",
+ },
+ {
+ .name = "DCDC4",
+ },
+ {
+ .name = "LDO1",
+ },
+ {
+ .name = "LDO2",
+ },
+ {
+ .name = "LDO3",
+ },
+ {
+ .name = "LDO4",
+ },
+ {
+ .name = "LDO5",
+ },
+ {
+ .name = "LDO6",
+ },
+ {
+ .name = "LDO7",
+ },
+ {
+ .name = "LDO8",
+ },
+ {
+ .name = "LDO9",
+ },
+ {
+ .name = "LDO10",
+ },
+};
+
+struct tps65912_reg {
+ struct regulator_desc desc[TPS65912_NUM_REGULATOR];
+ struct tps65912 *mfd;
+ struct regulator_dev *rdev[TPS65912_NUM_REGULATOR];
+ struct tps_info *info[TPS65912_NUM_REGULATOR];
+ /* for read/write access */
+ struct mutex io_lock;
+ int mode;
+ int (*get_ctrl_reg)(int);
+ int dcdc1_range;
+ int dcdc2_range;
+ int dcdc3_range;
+ int dcdc4_range;
+ int pwm_mode_reg;
+ int eco_reg;
+};
+
+static int tps65912_get_range(struct tps65912_reg *pmic, int id)
+{
+ struct tps65912 *mfd = pmic->mfd;
+
+ if (id > TPS65912_REG_DCDC4)
+ return 0;
+
+ switch (id) {
+ case TPS65912_REG_DCDC1:
+ pmic->dcdc1_range = tps65912_reg_read(mfd,
+ TPS65912_DCDC1_LIMIT);
+ if (pmic->dcdc1_range < 0)
+ return pmic->dcdc1_range;
+ pmic->dcdc1_range = (pmic->dcdc1_range &
+ DCDC_LIMIT_RANGE_MASK) >> DCDC_LIMIT_RANGE_SHIFT;
+ return pmic->dcdc1_range;
+ case TPS65912_REG_DCDC2:
+ pmic->dcdc2_range = tps65912_reg_read(mfd,
+ TPS65912_DCDC2_LIMIT);
+ if (pmic->dcdc2_range < 0)
+ return pmic->dcdc2_range;
+ pmic->dcdc2_range = (pmic->dcdc2_range &
+ DCDC_LIMIT_RANGE_MASK) >> DCDC_LIMIT_RANGE_SHIFT;
+ return pmic->dcdc2_range;
+ case TPS65912_REG_DCDC3:
+ pmic->dcdc3_range = tps65912_reg_read(mfd,
+ TPS65912_DCDC3_LIMIT);
+ if (pmic->dcdc3_range < 0)
+ return pmic->dcdc3_range;
+ pmic->dcdc3_range = (pmic->dcdc3_range &
+ DCDC_LIMIT_RANGE_MASK) >> DCDC_LIMIT_RANGE_SHIFT;
+ return pmic->dcdc3_range;
+ case TPS65912_REG_DCDC4:
+ pmic->dcdc4_range = tps65912_reg_read(mfd,
+ TPS65912_DCDC4_LIMIT);
+ if (pmic->dcdc4_range < 0)
+ return pmic->dcdc4_range;
+ pmic->dcdc4_range = (pmic->dcdc4_range &
+ DCDC_LIMIT_RANGE_MASK) >> DCDC_LIMIT_RANGE_SHIFT;
+ return pmic->dcdc4_range;
+ default:
+ return 0;
+ }
+}
+
+static unsigned long tps65912_vsel_to_uv_range0(u8 vsel)
+{
+ unsigned long uv;
+
+ uv = ((vsel * 12500) + 500000);
+ return uv;
+}
+
+static unsigned long tps65912_vsel_to_uv_range1(u8 vsel)
+{
+ unsigned long uv;
+
+ uv = ((vsel * 12500) + 700000);
+ return uv;
+}
+
+static unsigned long tps65912_vsel_to_uv_range2(u8 vsel)
+{
+ unsigned long uv;
+
+ uv = ((vsel * 25000) + 500000);
+ return uv;
+}
+
+static unsigned long tps65912_vsel_to_uv_range3(u8 vsel)
+{
+ unsigned long uv;
+
+ if (vsel == 0x3f)
+ uv = 3800000;
+ else
+ uv = ((vsel * 50000) + 500000);
+
+ return uv;
+}
+
+static unsigned long tps65912_vsel_to_uv_ldo(u8 vsel)
+{
+ unsigned long uv = 0;
+
+ if (vsel <= 32)
+ uv = ((vsel * 25000) + 800000);
+ else if (vsel > 32 && vsel <= 60)
+ uv = (((vsel - 32) * 50000) + 1600000);
+ else if (vsel > 60)
+ uv = (((vsel - 60) * 100000) + 3000000);
+
+ return uv;
+}
+
+static int tps65912_get_ctrl_register(int id)
+{
+ switch (id) {
+ case TPS65912_REG_DCDC1:
+ return TPS65912_DCDC1_AVS;
+ case TPS65912_REG_DCDC2:
+ return TPS65912_DCDC2_AVS;
+ case TPS65912_REG_DCDC3:
+ return TPS65912_DCDC3_AVS;
+ case TPS65912_REG_DCDC4:
+ return TPS65912_DCDC4_AVS;
+ case TPS65912_REG_LDO1:
+ return TPS65912_LDO1_AVS;
+ case TPS65912_REG_LDO2:
+ return TPS65912_LDO2_AVS;
+ case TPS65912_REG_LDO3:
+ return TPS65912_LDO3_AVS;
+ case TPS65912_REG_LDO4:
+ return TPS65912_LDO4_AVS;
+ case TPS65912_REG_LDO5:
+ return TPS65912_LDO5;
+ case TPS65912_REG_LDO6:
+ return TPS65912_LDO6;
+ case TPS65912_REG_LDO7:
+ return TPS65912_LDO7;
+ case TPS65912_REG_LDO8:
+ return TPS65912_LDO8;
+ case TPS65912_REG_LDO9:
+ return TPS65912_LDO9;
+ case TPS65912_REG_LDO10:
+ return TPS65912_LDO10;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int tps65912_get_dcdc_sel_register(struct tps65912_reg *pmic, int id)
+{
+ struct tps65912 *mfd = pmic->mfd;
+ int opvsel = 0, sr = 0;
+ u8 reg = 0;
+
+ if (id < TPS65912_REG_DCDC1 || id > TPS65912_REG_DCDC4)
+ return -EINVAL;
+
+ switch (id) {
+ case TPS65912_REG_DCDC1:
+ opvsel = tps65912_reg_read(mfd, TPS65912_DCDC1_OP);
+ sr = ((opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT);
+ if (sr)
+ reg = TPS65912_DCDC1_AVS;
+ else
+ reg = TPS65912_DCDC1_OP;
+ break;
+ case TPS65912_REG_DCDC2:
+ opvsel = tps65912_reg_read(mfd, TPS65912_DCDC2_OP);
+ sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
+ if (sr)
+ reg = TPS65912_DCDC2_AVS;
+ else
+ reg = TPS65912_DCDC2_OP;
+ break;
+ case TPS65912_REG_DCDC3:
+ opvsel = tps65912_reg_read(mfd, TPS65912_DCDC3_OP);
+ sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
+ if (sr)
+ reg = TPS65912_DCDC3_AVS;
+ else
+ reg = TPS65912_DCDC3_OP;
+ break;
+ case TPS65912_REG_DCDC4:
+ opvsel = tps65912_reg_read(mfd, TPS65912_DCDC4_OP);
+ sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
+ if (sr)
+ reg = TPS65912_DCDC4_AVS;
+ else
+ reg = TPS65912_DCDC4_OP;
+ break;
+ }
+ return reg;
+}
+
+static int tps65912_get_ldo_sel_register(struct tps65912_reg *pmic, int id)
+{
+ struct tps65912 *mfd = pmic->mfd;
+ int opvsel = 0, sr = 0;
+ u8 reg = 0;
+
+ if (id < TPS65912_REG_LDO1 || id > TPS65912_REG_LDO10)
+ return -EINVAL;
+
+ switch (id) {
+ case TPS65912_REG_LDO1:
+ opvsel = tps65912_reg_read(mfd, TPS65912_LDO1_OP);
+ sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
+ if (sr)
+ reg = TPS65912_LDO1_AVS;
+ else
+ reg = TPS65912_LDO1_OP;
+ break;
+ case TPS65912_REG_LDO2:
+ opvsel = tps65912_reg_read(mfd, TPS65912_LDO2_OP);
+ sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
+ if (sr)
+ reg = TPS65912_LDO2_AVS;
+ else
+ reg = TPS65912_LDO2_OP;
+ break;
+ case TPS65912_REG_LDO3:
+ opvsel = tps65912_reg_read(mfd, TPS65912_LDO3_OP);
+ sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
+ if (sr)
+ reg = TPS65912_LDO3_AVS;
+ else
+ reg = TPS65912_LDO3_OP;
+ break;
+ case TPS65912_REG_LDO4:
+ opvsel = tps65912_reg_read(mfd, TPS65912_LDO4_OP);
+ sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
+ if (sr)
+ reg = TPS65912_LDO4_AVS;
+ else
+ reg = TPS65912_LDO4_OP;
+ break;
+ case TPS65912_REG_LDO5:
+ reg = TPS65912_LDO5;
+ break;
+ case TPS65912_REG_LDO6:
+ reg = TPS65912_LDO6;
+ break;
+ case TPS65912_REG_LDO7:
+ reg = TPS65912_LDO7;
+ break;
+ case TPS65912_REG_LDO8:
+ reg = TPS65912_LDO8;
+ break;
+ case TPS65912_REG_LDO9:
+ reg = TPS65912_LDO9;
+ break;
+ case TPS65912_REG_LDO10:
+ reg = TPS65912_LDO10;
+ break;
+ }
+
+ return reg;
+}
+
+static int tps65912_get_mode_regiters(struct tps65912_reg *pmic, int id)
+{
+ switch (id) {
+ case TPS65912_REG_DCDC1:
+ pmic->pwm_mode_reg = TPS65912_DCDC1_CTRL;
+ pmic->eco_reg = TPS65912_DCDC1_AVS;
+ break;
+ case TPS65912_REG_DCDC2:
+ pmic->pwm_mode_reg = TPS65912_DCDC2_CTRL;
+ pmic->eco_reg = TPS65912_DCDC2_AVS;
+ break;
+ case TPS65912_REG_DCDC3:
+ pmic->pwm_mode_reg = TPS65912_DCDC3_CTRL;
+ pmic->eco_reg = TPS65912_DCDC3_AVS;
+ break;
+ case TPS65912_REG_DCDC4:
+ pmic->pwm_mode_reg = TPS65912_DCDC4_CTRL;
+ pmic->eco_reg = TPS65912_DCDC4_AVS;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int tps65912_reg_is_enabled(struct regulator_dev *dev)
+{
+ struct tps65912_reg *pmic = rdev_get_drvdata(dev);
+ struct tps65912 *mfd = pmic->mfd;
+ int reg, value, id = rdev_get_id(dev);
+
+ if (id < TPS65912_REG_DCDC1 || id > TPS65912_REG_LDO10)
+ return -EINVAL;
+
+ reg = pmic->get_ctrl_reg(id);
+ if (reg < 0)
+ return reg;
+
+ value = tps65912_reg_read(mfd, reg);
+ if (value < 0)
+ return value;
+
+ return value & TPS65912_REG_ENABLED;
+}
+
+static int tps65912_reg_enable(struct regulator_dev *dev)
+{
+ struct tps65912_reg *pmic = rdev_get_drvdata(dev);
+ struct tps65912 *mfd = pmic->mfd;
+ int id = rdev_get_id(dev);
+ int reg;
+
+ if (id < TPS65912_REG_DCDC1 || id > TPS65912_REG_LDO10)
+ return -EINVAL;
+
+ reg = pmic->get_ctrl_reg(id);
+ if (reg < 0)
+ return reg;
+
+ return tps65912_set_bits(mfd, reg, TPS65912_REG_ENABLED);
+}
+
+static int tps65912_reg_disable(struct regulator_dev *dev)
+{
+ struct tps65912_reg *pmic = rdev_get_drvdata(dev);
+ struct tps65912 *mfd = pmic->mfd;
+ int id = rdev_get_id(dev), reg;
+
+ reg = pmic->get_ctrl_reg(id);
+ if (reg < 0)
+ return reg;
+
+ return tps65912_clear_bits(mfd, reg, TPS65912_REG_ENABLED);
+}
+
+static int tps65912_set_mode(struct regulator_dev *dev, unsigned int mode)
+{
+ struct tps65912_reg *pmic = rdev_get_drvdata(dev);
+ struct tps65912 *mfd = pmic->mfd;
+ int pwm_mode, eco, id = rdev_get_id(dev);
+
+ tps65912_get_mode_regiters(pmic, id);
+
+ pwm_mode = tps65912_reg_read(mfd, pmic->pwm_mode_reg);
+ eco = tps65912_reg_read(mfd, pmic->eco_reg);
+
+ pwm_mode &= DCDCCTRL_DCDC_MODE_MASK;
+ eco &= DCDC_AVS_ECO_MASK;
+
+ switch (mode) {
+ case REGULATOR_MODE_FAST:
+ /* Verify if mode alredy set */
+ if (pwm_mode && !eco)
+ break;
+ tps65912_set_bits(mfd, pmic->pwm_mode_reg, DCDCCTRL_DCDC_MODE_MASK);
+ tps65912_clear_bits(mfd, pmic->eco_reg, DCDC_AVS_ECO_MASK);
+ break;
+ case REGULATOR_MODE_NORMAL:
+ case REGULATOR_MODE_IDLE:
+ if (!pwm_mode && !eco)
+ break;
+ tps65912_clear_bits(mfd, pmic->pwm_mode_reg, DCDCCTRL_DCDC_MODE_MASK);
+ tps65912_clear_bits(mfd, pmic->eco_reg, DCDC_AVS_ECO_MASK);
+ break;
+ case REGULATOR_MODE_STANDBY:
+ if (!pwm_mode && eco)
+ break;
+ tps65912_clear_bits(mfd, pmic->pwm_mode_reg, DCDCCTRL_DCDC_MODE_MASK);
+ tps65912_set_bits(mfd, pmic->eco_reg, DCDC_AVS_ECO_MASK);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static unsigned int tps65912_get_mode(struct regulator_dev *dev)
+{
+ struct tps65912_reg *pmic = rdev_get_drvdata(dev);
+ struct tps65912 *mfd = pmic->mfd;
+ int pwm_mode, eco, mode = 0, id = rdev_get_id(dev);
+
+ tps65912_get_mode_regiters(pmic, id);
+
+ pwm_mode = tps65912_reg_read(mfd, pmic->pwm_mode_reg);
+ eco = tps65912_reg_read(mfd, pmic->eco_reg);
+
+ pwm_mode &= DCDCCTRL_DCDC_MODE_MASK;
+ eco &= DCDC_AVS_ECO_MASK;
+
+ if (pwm_mode && !eco)
+ mode = REGULATOR_MODE_FAST;
+ else if (!pwm_mode && !eco)
+ mode = REGULATOR_MODE_NORMAL;
+ else if (!pwm_mode && eco)
+ mode = REGULATOR_MODE_STANDBY;
+
+ return mode;
+}
+
+static int tps65912_get_voltage_dcdc(struct regulator_dev *dev)
+{
+ struct tps65912_reg *pmic = rdev_get_drvdata(dev);
+ struct tps65912 *mfd = pmic->mfd;
+ int id = rdev_get_id(dev), voltage = 0, range;
+ int opvsel = 0, avsel = 0, sr, vsel;
+
+ switch (id) {
+ case TPS65912_REG_DCDC1:
+ opvsel = tps65912_reg_read(mfd, TPS65912_DCDC1_OP);
+ avsel = tps65912_reg_read(mfd, TPS65912_DCDC1_AVS);
+ range = pmic->dcdc1_range;
+ break;
+ case TPS65912_REG_DCDC2:
+ opvsel = tps65912_reg_read(mfd, TPS65912_DCDC2_OP);
+ avsel = tps65912_reg_read(mfd, TPS65912_DCDC2_AVS);
+ range = pmic->dcdc2_range;
+ break;
+ case TPS65912_REG_DCDC3:
+ opvsel = tps65912_reg_read(mfd, TPS65912_DCDC3_OP);
+ avsel = tps65912_reg_read(mfd, TPS65912_DCDC3_AVS);
+ range = pmic->dcdc3_range;
+ break;
+ case TPS65912_REG_DCDC4:
+ opvsel = tps65912_reg_read(mfd, TPS65912_DCDC4_OP);
+ avsel = tps65912_reg_read(mfd, TPS65912_DCDC4_AVS);
+ range = pmic->dcdc4_range;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
+ if (sr)
+ vsel = avsel;
+ else
+ vsel = opvsel;
+ vsel &= 0x3F;
+
+ switch (range) {
+ case 0:
+ /* 0.5 - 1.2875V in 12.5mV steps */
+ voltage = tps65912_vsel_to_uv_range0(vsel);
+ break;
+ case 1:
+ /* 0.7 - 1.4875V in 12.5mV steps */
+ voltage = tps65912_vsel_to_uv_range1(vsel);
+ break;
+ case 2:
+ /* 0.5 - 2.075V in 25mV steps */
+ voltage = tps65912_vsel_to_uv_range2(vsel);
+ break;
+ case 3:
+ /* 0.5 - 3.8V in 50mV steps */
+ voltage = tps65912_vsel_to_uv_range3(vsel);
+ break;
+ }
+ return voltage;
+}
+
+static int tps65912_set_voltage_dcdc(struct regulator_dev *dev,
+ unsigned selector)
+{
+ struct tps65912_reg *pmic = rdev_get_drvdata(dev);
+ struct tps65912 *mfd = pmic->mfd;
+ int id = rdev_get_id(dev);
+ int value;
+ u8 reg;
+
+ reg = tps65912_get_dcdc_sel_register(pmic, id);
+ value = tps65912_reg_read(mfd, reg);
+ value &= 0xC0;
+ return tps65912_reg_write(mfd, reg, selector | value);
+}
+
+static int tps65912_get_voltage_ldo(struct regulator_dev *dev)
+{
+ struct tps65912_reg *pmic = rdev_get_drvdata(dev);
+ struct tps65912 *mfd = pmic->mfd;
+ int id = rdev_get_id(dev);
+ int vsel = 0;
+ u8 reg;
+
+ reg = tps65912_get_ldo_sel_register(pmic, id);
+ vsel = tps65912_reg_read(mfd, reg);
+ vsel &= 0x3F;
+
+ return tps65912_vsel_to_uv_ldo(vsel);
+}
+
+static int tps65912_set_voltage_ldo(struct regulator_dev *dev,
+ unsigned selector)
+{
+ struct tps65912_reg *pmic = rdev_get_drvdata(dev);
+ struct tps65912 *mfd = pmic->mfd;
+ int id = rdev_get_id(dev), reg, value;
+
+ reg = tps65912_get_ldo_sel_register(pmic, id);
+ value = tps65912_reg_read(mfd, reg);
+ value &= 0xC0;
+ return tps65912_reg_write(mfd, reg, selector | value);
+}
+
+static int tps65912_list_voltage_dcdc(struct regulator_dev *dev,
+ unsigned selector)
+{
+ struct tps65912_reg *pmic = rdev_get_drvdata(dev);
+ int range, voltage = 0, id = rdev_get_id(dev);
+
+ switch (id) {
+ case TPS65912_REG_DCDC1:
+ range = pmic->dcdc1_range;
+ break;
+ case TPS65912_REG_DCDC2:
+ range = pmic->dcdc2_range;
+ break;
+ case TPS65912_REG_DCDC3:
+ range = pmic->dcdc3_range;
+ break;
+ case TPS65912_REG_DCDC4:
+ range = pmic->dcdc4_range;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (range) {
+ case 0:
+ /* 0.5 - 1.2875V in 12.5mV steps */
+ voltage = tps65912_vsel_to_uv_range0(selector);
+ break;
+ case 1:
+ /* 0.7 - 1.4875V in 12.5mV steps */
+ voltage = tps65912_vsel_to_uv_range1(selector);
+ break;
+ case 2:
+ /* 0.5 - 2.075V in 25mV steps */
+ voltage = tps65912_vsel_to_uv_range2(selector);
+ break;
+ case 3:
+ /* 0.5 - 3.8V in 50mV steps */
+ voltage = tps65912_vsel_to_uv_range3(selector);
+ break;
+ }
+ return voltage;
+}
+
+static int tps65912_list_voltage_ldo(struct regulator_dev *dev,
+ unsigned selector)
+{
+ int ldo = rdev_get_id(dev);
+
+ if (ldo < TPS65912_REG_LDO1 || ldo > TPS65912_REG_LDO10)
+ return -EINVAL;
+
+ return tps65912_vsel_to_uv_ldo(selector);
+}
+
+/* Operations permitted on DCDCx */
+static struct regulator_ops tps65912_ops_dcdc = {
+ .is_enabled = tps65912_reg_is_enabled,
+ .enable = tps65912_reg_enable,
+ .disable = tps65912_reg_disable,
+ .set_mode = tps65912_set_mode,
+ .get_mode = tps65912_get_mode,
+ .get_voltage = tps65912_get_voltage_dcdc,
+ .set_voltage_sel = tps65912_set_voltage_dcdc,
+ .list_voltage = tps65912_list_voltage_dcdc,
+};
+
+/* Operations permitted on LDOx */
+static struct regulator_ops tps65912_ops_ldo = {
+ .is_enabled = tps65912_reg_is_enabled,
+ .enable = tps65912_reg_enable,
+ .disable = tps65912_reg_disable,
+ .get_voltage = tps65912_get_voltage_ldo,
+ .set_voltage_sel = tps65912_set_voltage_ldo,
+ .list_voltage = tps65912_list_voltage_ldo,
+};
+
+static __devinit int tps65912_probe(struct platform_device *pdev)
+{
+ struct tps65912 *tps65912 = dev_get_drvdata(pdev->dev.parent);
+ struct tps_info *info;
+ struct regulator_init_data *reg_data;
+ struct regulator_dev *rdev;
+ struct tps65912_reg *pmic;
+ struct tps65912_board *pmic_plat_data;
+ int i, err;
+
+ pmic_plat_data = dev_get_platdata(tps65912->dev);
+ if (!pmic_plat_data)
+ return -EINVAL;
+
+ reg_data = pmic_plat_data->tps65912_pmic_init_data;
+
+ pmic = kzalloc(sizeof(*pmic), GFP_KERNEL);
+ if (!pmic)
+ return -ENOMEM;
+
+ mutex_init(&pmic->io_lock);
+ pmic->mfd = tps65912;
+ platform_set_drvdata(pdev, pmic);
+
+ pmic->get_ctrl_reg = &tps65912_get_ctrl_register;
+ info = tps65912_regs;
+
+ for (i = 0; i < TPS65912_NUM_REGULATOR; i++, info++, reg_data++) {
+ int range = 0;
+ /* Register the regulators */
+ pmic->info[i] = info;
+
+ pmic->desc[i].name = info->name;
+ pmic->desc[i].id = i;
+ pmic->desc[i].n_voltages = 64;
+ pmic->desc[i].ops = (i > TPS65912_REG_DCDC4 ?
+ &tps65912_ops_ldo : &tps65912_ops_dcdc);
+ pmic->desc[i].type = REGULATOR_VOLTAGE;
+ pmic->desc[i].owner = THIS_MODULE;
+ range = tps65912_get_range(pmic, i);
+ rdev = regulator_register(&pmic->desc[i],
+ tps65912->dev, reg_data, pmic);
+ if (IS_ERR(rdev)) {
+ dev_err(tps65912->dev,
+ "failed to register %s regulator\n",
+ pdev->name);
+ err = PTR_ERR(rdev);
+ goto err;
+ }
+
+ /* Save regulator for cleanup */
+ pmic->rdev[i] = rdev;
+ }
+ return 0;
+
+err:
+ while (--i >= 0)
+ regulator_unregister(pmic->rdev[i]);
+
+ kfree(pmic);
+ return err;
+}
+
+static int __devexit tps65912_remove(struct platform_device *pdev)
+{
+ struct tps65912_reg *tps65912_reg = platform_get_drvdata(pdev);
+ int i;
+
+ for (i = 0; i < TPS65912_NUM_REGULATOR; i++)
+ regulator_unregister(tps65912_reg->rdev[i]);
+
+ kfree(tps65912_reg);
+ return 0;
+}
+
+static struct platform_driver tps65912_driver = {
+ .driver = {
+ .name = "tps65912-pmic",
+ .owner = THIS_MODULE,
+ },
+ .probe = tps65912_probe,
+ .remove = __devexit_p(tps65912_remove),
+};
+
+/**
+ * tps65912_init
+ *
+ * Module init function
+ */
+static int __init tps65912_init(void)
+{
+ return platform_driver_register(&tps65912_driver);
+}
+subsys_initcall(tps65912_init);
+
+/**
+ * tps65912_cleanup
+ *
+ * Module exit function
+ */
+static void __exit tps65912_cleanup(void)
+{
+ platform_driver_unregister(&tps65912_driver);
+}
+module_exit(tps65912_cleanup);
+
+MODULE_AUTHOR("Margarita Olaya Cabrera <magi@slimlogic.co.uk>");
+MODULE_DESCRIPTION("TPS65912 voltage regulator driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:tps65912-pmic");
generated by cgit v1.2.3 (git 2.0.4) at 2025-01-23 23:06:15 +0000