Add off-on-delay-us for fixed regulator.
Signed-off-by: Peng Fan <peng....@nxp.com>
Cc: Simon Glass <s...@chromium.org>
---
drivers/power/regulator/fixed.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/power/regulator/fixed.c b/drivers/power/regulator/fixed.c
index 0be5b7bd51..b72ad98cb8 100644
--- a/drivers/power/regulator/fixed.c
+++ b/drivers/power/regulator/fixed.c
@@ -16,6 +16,7 @@
struct fixed_regulator_platdata {
struct gpio_desc gpio; /* GPIO for regulator enable control */
unsigned int startup_delay_us;
+ unsigned int off_on_delay_us;
};
static int fixed_regulator_ofdata_to_platdata(struct udevice *dev)
@@ -50,6 +51,8 @@ static int fixed_regulator_ofdata_to_platdata(struct udevice
*dev)
/* Get optional ramp up delay */
dev_pdata->startup_delay_us = dev_read_u32_default(dev,
"startup-delay-us", 0);
+ dev_pdata->off_on_delay_us = dev_read_u32_default(dev,
+ "off-on-delay-us", 0);
return 0;
}
@@ -123,6 +126,9 @@ static int fixed_regulator_set_enable(struct udevice *dev,
bool enable)
udelay(dev_pdata->startup_delay_us);
debug("%s: done\n", __func__);
+ if (!enable && dev_pdata->off_on_delay_us)
+ udelay(dev_pdata->off_on_delay_us);
+
return 0;
}
--
2.14.1
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