diff options
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/da9052-regulator.c | 41 |
1 files changed, 35 insertions, 6 deletions
diff --git a/drivers/regulator/da9052-regulator.c b/drivers/regulator/da9052-regulator.c index c427e42472e8..3adeaeffc485 100644 --- a/drivers/regulator/da9052-regulator.c +++ b/drivers/regulator/da9052-regulator.c @@ -70,6 +70,7 @@ struct da9052_regulator_info { int step_uV; int min_uV; int max_uV; + unsigned char activate_bit; }; struct da9052_regulator { @@ -209,6 +210,36 @@ static int da9052_map_voltage(struct regulator_dev *rdev, return sel; } +static int da9052_regulator_set_voltage_sel(struct regulator_dev *rdev, + unsigned int selector) +{ + struct da9052_regulator *regulator = rdev_get_drvdata(rdev); + struct da9052_regulator_info *info = regulator->info; + int id = rdev_get_id(rdev); + int ret; + + ret = da9052_reg_update(regulator->da9052, rdev->desc->vsel_reg, + rdev->desc->vsel_mask, selector); + if (ret < 0) + return ret; + + /* Some LDOs and DCDCs are DVC controlled which requires enabling of + * the activate bit to implment the changes on the output. + */ + switch (id) { + case DA9052_ID_BUCK1: + case DA9052_ID_BUCK2: + case DA9052_ID_BUCK3: + case DA9052_ID_LDO2: + case DA9052_ID_LDO3: + ret = da9052_reg_update(regulator->da9052, DA9052_SUPPLY_REG, + info->activate_bit, info->activate_bit); + break; + } + + return ret; +} + static struct regulator_ops da9052_dcdc_ops = { .get_current_limit = da9052_dcdc_get_current_limit, .set_current_limit = da9052_dcdc_set_current_limit, @@ -216,7 +247,7 @@ static struct regulator_ops da9052_dcdc_ops = { .list_voltage = da9052_list_voltage, .map_voltage = da9052_map_voltage, .get_voltage_sel = regulator_get_voltage_sel_regmap, - .set_voltage_sel = regulator_set_voltage_sel_regmap, + .set_voltage_sel = da9052_regulator_set_voltage_sel, .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, @@ -226,7 +257,7 @@ static struct regulator_ops da9052_ldo_ops = { .list_voltage = da9052_list_voltage, .map_voltage = da9052_map_voltage, .get_voltage_sel = regulator_get_voltage_sel_regmap, - .set_voltage_sel = regulator_set_voltage_sel_regmap, + .set_voltage_sel = da9052_regulator_set_voltage_sel, .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, @@ -243,14 +274,13 @@ static struct regulator_ops da9052_ldo_ops = { .owner = THIS_MODULE,\ .vsel_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \ .vsel_mask = (1 << (sbits)) - 1,\ - .apply_reg = DA9052_SUPPLY_REG, \ - .apply_bit = (abits), \ .enable_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \ .enable_mask = 1 << (ebits),\ },\ .min_uV = (min) * 1000,\ .max_uV = (max) * 1000,\ .step_uV = (step) * 1000,\ + .activate_bit = (abits),\ } #define DA9052_DCDC(_id, step, min, max, sbits, ebits, abits) \ @@ -264,14 +294,13 @@ static struct regulator_ops da9052_ldo_ops = { .owner = THIS_MODULE,\ .vsel_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \ .vsel_mask = (1 << (sbits)) - 1,\ - .apply_reg = DA9052_SUPPLY_REG, \ - .apply_bit = (abits), \ .enable_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \ .enable_mask = 1 << (ebits),\ },\ .min_uV = (min) * 1000,\ .max_uV = (max) * 1000,\ .step_uV = (step) * 1000,\ + .activate_bit = (abits),\ } static struct da9052_regulator_info da9052_regulator_info[] = { |