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path: root/drivers/regulator/lp8788-ldo.c
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Diffstat (limited to 'drivers/regulator/lp8788-ldo.c')
-rw-r--r--drivers/regulator/lp8788-ldo.c157
1 files changed, 28 insertions, 129 deletions
diff --git a/drivers/regulator/lp8788-ldo.c b/drivers/regulator/lp8788-ldo.c
index cd5a14a..0ce2c4c 100644
--- a/drivers/regulator/lp8788-ldo.c
+++ b/drivers/regulator/lp8788-ldo.c
@@ -156,68 +156,6 @@ static const int lp8788_aldo7_vtbl[] = {
1200000, 1300000, 1400000, 1500000, 1600000, 1700000, 1800000, 1800000,
};
-static enum lp8788_ldo_id lp8788_dldo_id[] = {
- DLDO1,
- DLDO2,
- DLDO3,
- DLDO4,
- DLDO5,
- DLDO6,
- DLDO7,
- DLDO8,
- DLDO9,
- DLDO10,
- DLDO11,
- DLDO12,
-};
-
-static enum lp8788_ldo_id lp8788_aldo_id[] = {
- ALDO1,
- ALDO2,
- ALDO3,
- ALDO4,
- ALDO5,
- ALDO6,
- ALDO7,
- ALDO8,
- ALDO9,
- ALDO10,
-};
-
-static int lp8788_ldo_enable(struct regulator_dev *rdev)
-{
- struct lp8788_ldo *ldo = rdev_get_drvdata(rdev);
-
- if (ldo->en_pin) {
- gpio_set_value(ldo->en_pin->gpio, ENABLE);
- return 0;
- } else {
- return regulator_enable_regmap(rdev);
- }
-}
-
-static int lp8788_ldo_disable(struct regulator_dev *rdev)
-{
- struct lp8788_ldo *ldo = rdev_get_drvdata(rdev);
-
- if (ldo->en_pin) {
- gpio_set_value(ldo->en_pin->gpio, DISABLE);
- return 0;
- } else {
- return regulator_disable_regmap(rdev);
- }
-}
-
-static int lp8788_ldo_is_enabled(struct regulator_dev *rdev)
-{
- struct lp8788_ldo *ldo = rdev_get_drvdata(rdev);
-
- if (ldo->en_pin)
- return gpio_get_value(ldo->en_pin->gpio) ? 1 : 0;
- else
- return regulator_is_enabled_regmap(rdev);
-}
-
static int lp8788_ldo_enable_time(struct regulator_dev *rdev)
{
struct lp8788_ldo *ldo = rdev_get_drvdata(rdev);
@@ -232,38 +170,21 @@ static int lp8788_ldo_enable_time(struct regulator_dev *rdev)
return ENABLE_TIME_USEC * val;
}
-static int lp8788_ldo_fixed_get_voltage(struct regulator_dev *rdev)
-{
- enum lp8788_ldo_id id = rdev_get_id(rdev);
-
- switch (id) {
- case ALDO2 ... ALDO5:
- return 2850000;
- case DLDO12:
- case ALDO8 ... ALDO9:
- return 2500000;
- case ALDO10:
- return 1100000;
- default:
- return -EINVAL;
- }
-}
-
static struct regulator_ops lp8788_ldo_voltage_table_ops = {
.list_voltage = regulator_list_voltage_table,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
- .enable = lp8788_ldo_enable,
- .disable = lp8788_ldo_disable,
- .is_enabled = lp8788_ldo_is_enabled,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
.enable_time = lp8788_ldo_enable_time,
};
static struct regulator_ops lp8788_ldo_voltage_fixed_ops = {
- .get_voltage = lp8788_ldo_fixed_get_voltage,
- .enable = lp8788_ldo_enable,
- .disable = lp8788_ldo_disable,
- .is_enabled = lp8788_ldo_is_enabled,
+ .list_voltage = regulator_list_voltage_linear,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
.enable_time = lp8788_ldo_enable_time,
};
@@ -420,6 +341,7 @@ static struct regulator_desc lp8788_dldo_desc[] = {
.owner = THIS_MODULE,
.enable_reg = LP8788_EN_LDO_B,
.enable_mask = LP8788_EN_DLDO12_M,
+ .min_uV = 2500000,
},
};
@@ -446,6 +368,7 @@ static struct regulator_desc lp8788_aldo_desc[] = {
.owner = THIS_MODULE,
.enable_reg = LP8788_EN_LDO_B,
.enable_mask = LP8788_EN_ALDO2_M,
+ .min_uV = 2850000,
},
{
.name = "aldo3",
@@ -456,6 +379,7 @@ static struct regulator_desc lp8788_aldo_desc[] = {
.owner = THIS_MODULE,
.enable_reg = LP8788_EN_LDO_B,
.enable_mask = LP8788_EN_ALDO3_M,
+ .min_uV = 2850000,
},
{
.name = "aldo4",
@@ -466,6 +390,7 @@ static struct regulator_desc lp8788_aldo_desc[] = {
.owner = THIS_MODULE,
.enable_reg = LP8788_EN_LDO_B,
.enable_mask = LP8788_EN_ALDO4_M,
+ .min_uV = 2850000,
},
{
.name = "aldo5",
@@ -476,6 +401,7 @@ static struct regulator_desc lp8788_aldo_desc[] = {
.owner = THIS_MODULE,
.enable_reg = LP8788_EN_LDO_C,
.enable_mask = LP8788_EN_ALDO5_M,
+ .min_uV = 2850000,
},
{
.name = "aldo6",
@@ -512,6 +438,7 @@ static struct regulator_desc lp8788_aldo_desc[] = {
.owner = THIS_MODULE,
.enable_reg = LP8788_EN_LDO_C,
.enable_mask = LP8788_EN_ALDO8_M,
+ .min_uV = 2500000,
},
{
.name = "aldo9",
@@ -522,6 +449,7 @@ static struct regulator_desc lp8788_aldo_desc[] = {
.owner = THIS_MODULE,
.enable_reg = LP8788_EN_LDO_C,
.enable_mask = LP8788_EN_ALDO9_M,
+ .min_uV = 2500000,
},
{
.name = "aldo10",
@@ -532,46 +460,14 @@ static struct regulator_desc lp8788_aldo_desc[] = {
.owner = THIS_MODULE,
.enable_reg = LP8788_EN_LDO_C,
.enable_mask = LP8788_EN_ALDO10_M,
+ .min_uV = 1100000,
},
};
-static int lp8788_gpio_request_ldo_en(struct platform_device *pdev,
- struct lp8788_ldo *ldo,
- enum lp8788_ext_ldo_en_id id)
-{
- struct device *dev = &pdev->dev;
- struct lp8788_ldo_enable_pin *pin = ldo->en_pin;
- int ret, gpio, pinstate;
- char *name[] = {
- [EN_ALDO1] = "LP8788_EN_ALDO1",
- [EN_ALDO234] = "LP8788_EN_ALDO234",
- [EN_ALDO5] = "LP8788_EN_ALDO5",
- [EN_ALDO7] = "LP8788_EN_ALDO7",
- [EN_DLDO7] = "LP8788_EN_DLDO7",
- [EN_DLDO911] = "LP8788_EN_DLDO911",
- };
-
- gpio = pin->gpio;
- if (!gpio_is_valid(gpio)) {
- dev_err(dev, "invalid gpio: %d\n", gpio);
- return -EINVAL;
- }
-
- pinstate = pin->init_state;
- ret = devm_gpio_request_one(dev, gpio, pinstate, name[id]);
- if (ret == -EBUSY) {
- dev_warn(dev, "gpio%d already used\n", gpio);
- return 0;
- }
-
- return ret;
-}
-
static int lp8788_config_ldo_enable_mode(struct platform_device *pdev,
struct lp8788_ldo *ldo,
enum lp8788_ldo_id id)
{
- int ret;
struct lp8788 *lp = ldo->lp;
struct lp8788_platform_data *pdata = lp->pdata;
enum lp8788_ext_ldo_en_id enable_id;
@@ -613,14 +509,7 @@ static int lp8788_config_ldo_enable_mode(struct platform_device *pdev,
goto set_default_ldo_enable_mode;
ldo->en_pin = pdata->ldo_pin[enable_id];
-
- ret = lp8788_gpio_request_ldo_en(pdev, ldo, enable_id);
- if (ret) {
- ldo->en_pin = NULL;
- goto set_default_ldo_enable_mode;
- }
-
- return ret;
+ return 0;
set_default_ldo_enable_mode:
return lp8788_update_bits(lp, LP8788_EN_SEL, en_mask[enable_id], 0);
@@ -640,10 +529,15 @@ static int lp8788_dldo_probe(struct platform_device *pdev)
return -ENOMEM;
ldo->lp = lp;
- ret = lp8788_config_ldo_enable_mode(pdev, ldo, lp8788_dldo_id[id]);
+ ret = lp8788_config_ldo_enable_mode(pdev, ldo, id);
if (ret)
return ret;
+ if (ldo->en_pin) {
+ cfg.ena_gpio = ldo->en_pin->gpio;
+ cfg.ena_gpio_flags = ldo->en_pin->init_state;
+ }
+
cfg.dev = pdev->dev.parent;
cfg.init_data = lp->pdata ? lp->pdata->dldo_data[id] : NULL;
cfg.driver_data = ldo;
@@ -696,10 +590,15 @@ static int lp8788_aldo_probe(struct platform_device *pdev)
return -ENOMEM;
ldo->lp = lp;
- ret = lp8788_config_ldo_enable_mode(pdev, ldo, lp8788_aldo_id[id]);
+ ret = lp8788_config_ldo_enable_mode(pdev, ldo, id + ALDO1);
if (ret)
return ret;
+ if (ldo->en_pin) {
+ cfg.ena_gpio = ldo->en_pin->gpio;
+ cfg.ena_gpio_flags = ldo->en_pin->init_state;
+ }
+
cfg.dev = pdev->dev.parent;
cfg.init_data = lp->pdata ? lp->pdata->aldo_data[id] : NULL;
cfg.driver_data = ldo;
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