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power: regulator: s2mps11: Add enable delay

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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>
This commit is contained in:
Krzysztof Kozlowski 2019-03-06 19:37:55 +01:00 committed by Minkyu Kang
parent e66d1cb3c2
commit 000ee4b739
1 changed files with 10 additions and 1 deletions
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11
drivers/power/regulator/s2mps11_regulator.c
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@ -551,7 +551,16 @@ static int ldo_get_enable(struct udevice *dev)
static int ldo_set_enable(struct udevice *dev, bool enable) 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) static int ldo_get_mode(struct udevice *dev)