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regulator: helpers: Add regmap set_pull_down helper

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Add a helper function regulator_set_pull_down_regmap to allow regmap
based regulators to easily enable pull down.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Charles Keepax
2017-03-28 15:14:41 +01:00
committed by Mark Brown
parent a7a453f56a
commit f7d37bc3cb
2 changed files with 26 additions and 0 deletions
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8
include/linux/regulator/driver.h
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@@ -296,6 +296,10 @@ enum regulator_type {
* @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
* @pull_down_reg: Register for control when using regmap set_pull_down
* @pull_down_mask: Mask for control when using regmap set_pull_down
* @pull_down_val_on: Enabling value for control when using regmap
* set_pull_down
*
* @enable_time: Time taken for initial enable of regulator (in uS).
* @off_on_delay: guard time (in uS), before re-enabling a regulator
@@ -352,6 +356,9 @@ struct regulator_desc {
unsigned int soft_start_reg;
unsigned int soft_start_mask;
unsigned int soft_start_val_on;
unsigned int pull_down_reg;
unsigned int pull_down_mask;
unsigned int pull_down_val_on;
unsigned int enable_time;
@@ -484,6 +491,7 @@ int regulator_set_voltage_time_sel(struct regulator_dev *rdev,
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_pull_down_regmap(struct regulator_dev *rdev);
int regulator_set_active_discharge_regmap(struct regulator_dev *rdev,
bool enable);