diff options
| author | Krzysztof Kozlowski <krzk@kernel.org> | 2019-03-06 19:37:55 +0100 |
|---|---|---|
| committer | Minkyu Kang <mk7.kang@samsung.com> | 2019-03-11 15:53:19 +0900 |
| commit | 000ee4b7395236a50c7cb261d74efec6207cfa80 (patch) | |
| tree | 9acdb0424df7487b53a6558eba423056f4ee6093 /drivers | |
| parent | e66d1cb3c2344ee5bbf2059e75fa94350aea9f5f (diff) | |
power: regulator: s2mps11: Add enable delay
According to datasheet, the output on LDO regulators will start
appearing after 10-15 us.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Tested-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/power/regulator/s2mps11_regulator.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/power/regulator/s2mps11_regulator.c b/drivers/power/regulator/s2mps11_regulator.c index 723d27f67c..67d1f9689d 100644 --- a/drivers/power/regulator/s2mps11_regulator.c +++ b/drivers/power/regulator/s2mps11_regulator.c @@ -551,7 +551,16 @@ static int ldo_get_enable(struct udevice *dev) static int ldo_set_enable(struct udevice *dev, bool enable) { - return s2mps11_ldo_enable(dev, PMIC_OP_SET, &enable); + int ret; + + ret = s2mps11_ldo_enable(dev, PMIC_OP_SET, &enable); + if (ret) + return ret; + + /* Wait the "enable delay" for voltage to start to rise */ + udelay(15); + + return 0; } static int ldo_get_mode(struct udevice *dev) |