diff options
| -rw-r--r-- | drivers/power/regulator/regulator-uclass.c | 7 | ||||
| -rw-r--r-- | include/power/regulator.h | 16 |
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/power/regulator/regulator-uclass.c b/drivers/power/regulator/regulator-uclass.c index a5170df916..4241a4c7f2 100644 --- a/drivers/power/regulator/regulator-uclass.c +++ b/drivers/power/regulator/regulator-uclass.c @@ -138,6 +138,13 @@ int regulator_get_by_devname(const char *devname, struct udevice **devp) return uclass_get_device_by_name(UCLASS_REGULATOR, devname, devp); } +int device_get_supply_regulator(struct udevice *dev, const char *supply_name, + struct udevice **devp) +{ + return uclass_get_device_by_phandle(UCLASS_REGULATOR, dev, + supply_name, devp); +} + int regulator_autoset(struct udevice *dev) { struct dm_regulator_uclass_platdata *uc_pdata; diff --git a/include/power/regulator.h b/include/power/regulator.h index 1a51c3f07b..63c0814fe8 100644 --- a/include/power/regulator.h +++ b/include/power/regulator.h @@ -419,4 +419,20 @@ int regulator_get_by_devname(const char *devname, struct udevice **devp); */ int regulator_get_by_platname(const char *platname, struct udevice **devp); +/** + * device_get_supply_regulator: returns the pointer to the supply regulator. + * Search by phandle, found in device's node. + * + * Note: Please pay attention to proper order of device bind sequence. + * The regulator device searched by the phandle, must be binded before + * this function call. + * + * @dev - device with supply phandle + * @supply_name - phandle name of regulator + * @devp - returned pointer to the supply device + * @return 0 on success or negative value of errno. + */ +int device_get_supply_regulator(struct udevice *dev, const char *supply_name, + struct udevice **devp); + #endif /* _INCLUDE_REGULATOR_H_ */ |