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-rw-r--r--drivers/regulator/core.c2
-rw-r--r--drivers/regulator/of_regulator.c4
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 04baac9a165b..3a641d64f8e1 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2753,6 +2753,8 @@ static int _regulator_set_voltage_time(struct regulator_dev *rdev,
ramp_delay = rdev->constraints->ramp_delay;
else if (rdev->desc->ramp_delay)
ramp_delay = rdev->desc->ramp_delay;
+ else if (rdev->constraints->settling_time)
+ return rdev->constraints->settling_time;
if (ramp_delay == 0) {
rdev_dbg(rdev, "ramp_delay not set\n");
diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c
index 4f613ec99500..09d677d5d3f0 100644
--- a/drivers/regulator/of_regulator.c
+++ b/drivers/regulator/of_regulator.c
@@ -86,6 +86,10 @@ static void of_get_regulation_constraints(struct device_node *np,
constraints->ramp_disable = true;
}
+ ret = of_property_read_u32(np, "regulator-settling-time-us", &pval);
+ if (!ret)
+ constraints->settling_time = pval;
+
ret = of_property_read_u32(np, "regulator-enable-ramp-delay", &pval);
if (!ret)
constraints->enable_time = pval;