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path: root/drivers/regulator/tps65912-regulator.c
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Diffstat (limited to 'drivers/regulator/tps65912-regulator.c')
-rw-r--r--drivers/regulator/tps65912-regulator.c112
1 files changed, 34 insertions, 78 deletions
diff --git a/drivers/regulator/tps65912-regulator.c b/drivers/regulator/tps65912-regulator.c
index b36799b1f53..9cafaa0f945 100644
--- a/drivers/regulator/tps65912-regulator.c
+++ b/drivers/regulator/tps65912-regulator.c
@@ -20,7 +20,6 @@
#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>
@@ -119,6 +118,12 @@ struct tps65912_reg {
int eco_reg;
};
+static const struct regulator_linear_range tps65912_ldo_ranges[] = {
+ REGULATOR_LINEAR_RANGE(800000, 0, 32, 25000),
+ REGULATOR_LINEAR_RANGE(1650000, 33, 60, 50000),
+ REGULATOR_LINEAR_RANGE(3100000, 61, 63, 100000),
+};
+
static int tps65912_get_range(struct tps65912_reg *pmic, int id)
{
struct tps65912 *mfd = pmic->mfd;
@@ -185,20 +190,6 @@ static unsigned long tps65912_vsel_to_uv_range3(u8 vsel)
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)
{
if (id >= TPS65912_REG_DCDC1 && id <= TPS65912_REG_LDO4)
@@ -372,8 +363,7 @@ static unsigned int tps65912_get_mode(struct regulator_dev *dev)
return mode;
}
-static int tps65912_list_voltage_dcdc(struct regulator_dev *dev,
- unsigned selector)
+static int tps65912_list_voltage(struct regulator_dev *dev, unsigned selector)
{
struct tps65912_reg *pmic = rdev_get_drvdata(dev);
int range, voltage = 0, id = rdev_get_id(dev);
@@ -404,7 +394,7 @@ static int tps65912_list_voltage_dcdc(struct regulator_dev *dev,
return voltage;
}
-static int tps65912_get_voltage_dcdc(struct regulator_dev *dev)
+static int tps65912_get_voltage_sel(struct regulator_dev *dev)
{
struct tps65912_reg *pmic = rdev_get_drvdata(dev);
struct tps65912 *mfd = pmic->mfd;
@@ -418,7 +408,7 @@ static int tps65912_get_voltage_dcdc(struct regulator_dev *dev)
vsel = tps65912_reg_read(mfd, reg);
vsel &= 0x3F;
- return tps65912_list_voltage_dcdc(dev, vsel);
+ return vsel;
}
static int tps65912_set_voltage_sel(struct regulator_dev *dev,
@@ -436,32 +426,6 @@ static int tps65912_set_voltage_sel(struct regulator_dev *dev,
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_sel_register(pmic, id);
- vsel = tps65912_reg_read(mfd, reg);
- vsel &= 0x3F;
-
- return tps65912_vsel_to_uv_ldo(vsel);
-}
-
-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,
@@ -469,9 +433,9 @@ static struct regulator_ops tps65912_ops_dcdc = {
.disable = tps65912_reg_disable,
.set_mode = tps65912_set_mode,
.get_mode = tps65912_get_mode,
- .get_voltage = tps65912_get_voltage_dcdc,
+ .get_voltage_sel = tps65912_get_voltage_sel,
.set_voltage_sel = tps65912_set_voltage_sel,
- .list_voltage = tps65912_list_voltage_dcdc,
+ .list_voltage = tps65912_list_voltage,
};
/* Operations permitted on LDOx */
@@ -479,20 +443,22 @@ 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,
+ .get_voltage_sel = tps65912_get_voltage_sel,
.set_voltage_sel = tps65912_set_voltage_sel,
- .list_voltage = tps65912_list_voltage_ldo,
+ .list_voltage = regulator_list_voltage_linear_range,
+ .map_voltage = regulator_map_voltage_linear_range,
};
-static __devinit int tps65912_probe(struct platform_device *pdev)
+static int tps65912_probe(struct platform_device *pdev)
{
struct tps65912 *tps65912 = dev_get_drvdata(pdev->dev.parent);
+ struct regulator_config config = { };
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;
+ int i;
pmic_plat_data = dev_get_platdata(tps65912->dev);
if (!pmic_plat_data)
@@ -500,7 +466,7 @@ static __devinit int tps65912_probe(struct platform_device *pdev)
reg_data = pmic_plat_data->tps65912_pmic_init_data;
- pmic = kzalloc(sizeof(*pmic), GFP_KERNEL);
+ pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
if (!pmic)
return -ENOMEM;
@@ -519,44 +485,35 @@ static __devinit int tps65912_probe(struct platform_device *pdev)
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);
+ if (i > TPS65912_REG_DCDC4) {
+ pmic->desc[i].ops = &tps65912_ops_ldo;
+ pmic->desc[i].linear_ranges = tps65912_ldo_ranges;
+ pmic->desc[i].n_linear_ranges =
+ ARRAY_SIZE(tps65912_ldo_ranges);
+ } else {
+ pmic->desc[i].ops = &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, NULL);
+
+ config.dev = tps65912->dev;
+ config.init_data = reg_data;
+ config.driver_data = pmic;
+
+ rdev = devm_regulator_register(&pdev->dev, &pmic->desc[i],
+ &config);
if (IS_ERR(rdev)) {
dev_err(tps65912->dev,
"failed to register %s regulator\n",
pdev->name);
- err = PTR_ERR(rdev);
- goto err;
+ return PTR_ERR(rdev);
}
/* 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 = {
@@ -565,7 +522,6 @@ static struct platform_driver tps65912_driver = {
.owner = THIS_MODULE,
},
.probe = tps65912_probe,
- .remove = __devexit_p(tps65912_remove),
};
static int __init tps65912_init(void)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-15 21:32:06 +0000