diff mbox series

[U-Boot,36/41] drivers: regulator: fixed: add off-on-delay-us

Message ID 20180528122526.20597-37-peng.fan@nxp.com
State Superseded
Delegated to: Stefano Babic
Headers show
Series imx: add i.MX8QXP support | expand

Commit Message

Peng Fan May 28, 2018, 12:25 p.m. UTC 
Add off-on-delay-us for fixed regulator.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Simon Glass <sjg@chromium.org>
---
 drivers/power/regulator/fixed.c | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Simon Glass May 30, 2018, 7:18 p.m. UTC | #1 
On 28 May 2018 at 06:25, Peng Fan <peng.fan@nxp.com> wrote:
> Add off-on-delay-us for fixed regulator.
>
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> Cc: Simon Glass <sjg@chromium.org>
> ---
>  drivers/power/regulator/fixed.c | 6 ++++++
>  1 file changed, 6 insertions(+)

Reviewed-by: Simon Glass <sjg@chromium.org>

Can you also please add the DT binding file for this?
diff mbox series

Patch

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;
 }