diff options
| -rw-r--r-- | doc/device-tree-bindings/regulator/fixed.txt | 1 | ||||
| -rw-r--r-- | drivers/power/regulator/fixed.c | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/regulator/fixed.txt b/doc/device-tree-bindings/regulator/fixed.txt index 5fd9033fea..453d2bef44 100644 --- a/doc/device-tree-bindings/regulator/fixed.txt +++ b/doc/device-tree-bindings/regulator/fixed.txt @@ -11,6 +11,7 @@ Required properties: Optional properties: - gpio: GPIO to use for enable control - startup-delay-us: startup time in microseconds +- u-boot,off-on-delay-us: off delay time in microseconds - regulator constraints (binding info: regulator.txt) - enable-active-high: Polarity of GPIO is Active high. If this property is missing, the default assumed is Active low. diff --git a/drivers/power/regulator/fixed.c b/drivers/power/regulator/fixed.c index 0be5b7bd51..a99aa78310 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, "u-boot,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; } |