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| author | Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | 2017-03-28 15:14:40 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-04-06 19:29:37 +0100 |
| commit | a7a453f56a1a116027f84ac53b365eb045a0e279 (patch) | |
| tree | ec5946df69f9b85ddce272cf87a7f46fb0a86099 | |
| parent | d00b74613fb18dfd0a5aa99270ee2e72d5c808d7 (diff) | |
| download | blackbird-op-linux-a7a453f56a1a116027f84ac53b365eb045a0e279.tar.gz blackbird-op-linux-a7a453f56a1a116027f84ac53b365eb045a0e279.zip | |
regulator: helpers: Add regmap set_soft_start helper
Add a helper function regulator_set_soft_start_regmap to allow regmap
based regulators to easily enable soft start.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | drivers/regulator/helpers.c | 18 | ||||
| -rw-r--r-- | include/linux/regulator/driver.h | 8 |
2 files changed, 26 insertions, 0 deletions
diff --git a/drivers/regulator/helpers.c b/drivers/regulator/helpers.c index 379cdacc05d8..a75e7da49af8 100644 --- a/drivers/regulator/helpers.c +++ b/drivers/regulator/helpers.c @@ -446,6 +446,24 @@ int regulator_set_bypass_regmap(struct regulator_dev *rdev, bool enable) EXPORT_SYMBOL_GPL(regulator_set_bypass_regmap); /** + * regulator_set_soft_start_regmap - Default set_soft_start() using regmap + * + * @rdev: device to operate on. + */ +int regulator_set_soft_start_regmap(struct regulator_dev *rdev) +{ + unsigned int val; + + val = rdev->desc->soft_start_val_on; + if (!val) + val = rdev->desc->soft_start_mask; + + return regmap_update_bits(rdev->regmap, rdev->desc->soft_start_reg, + rdev->desc->soft_start_mask, val); +} +EXPORT_SYMBOL_GPL(regulator_set_soft_start_regmap); + +/** * regulator_get_bypass_regmap - Default get_bypass() using regmap * * @rdev: device to operate on. diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index dac8e7b16bc6..1054c033e783 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -292,6 +292,10 @@ enum regulator_type { * set_active_discharge * @active_discharge_reg: Register for control when using regmap * set_active_discharge + * @soft_start_reg: Register for control when using regmap set_soft_start + * @soft_start_mask: Mask for control when using regmap set_soft_start + * @soft_start_val_on: Enabling value for control when using regmap + * set_soft_start * * @enable_time: Time taken for initial enable of regulator (in uS). * @off_on_delay: guard time (in uS), before re-enabling a regulator @@ -345,6 +349,9 @@ struct regulator_desc { unsigned int active_discharge_off; unsigned int active_discharge_mask; unsigned int active_discharge_reg; + unsigned int soft_start_reg; + unsigned int soft_start_mask; + unsigned int soft_start_val_on; unsigned int enable_time; @@ -476,6 +483,7 @@ int regulator_set_voltage_time_sel(struct regulator_dev *rdev, unsigned int new_selector); int regulator_set_bypass_regmap(struct regulator_dev *rdev, bool enable); int regulator_get_bypass_regmap(struct regulator_dev *rdev, bool *enable); +int regulator_set_soft_start_regmap(struct regulator_dev *rdev); int regulator_set_active_discharge_regmap(struct regulator_dev *rdev, bool enable); |
