diff options
Diffstat (limited to 'drivers/regulator/lp8788-ldo.c')
| -rw-r--r-- | drivers/regulator/lp8788-ldo.c | 157 |
1 files changed, 28 insertions, 129 deletions
diff --git a/drivers/regulator/lp8788-ldo.c b/drivers/regulator/lp8788-ldo.c index cd5a14ad9263..0ce2c4c194b3 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; |