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 --- drivers/power/regulator/s2mps11_regulator.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/power/regulator/s2mps11_regulator.c b/drivers/power/regulator/s2mps11_regulator.c index 723d27f67c9a..67d1f9689de3 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)