[U-Boot] [PATCH v2] regulator: fixed: Modify enable-active-high behavior
Patrice CHOTARD
patrice.chotard at st.com
Tue Sep 10 11:38:54 UTC 2019
Hi,
It's a gentle reminder to not forgot this patch.
Thanks
Patrice
On 8/26/19 1:50 PM, Patrice Chotard wrote:
> Regulator should not be enabled at probe time if regulator-boot-on
> property is not in the dt node.
>
> "enable-active-high" property is only used to indicate the GPIO
> polarity.
>
> See kernel documentation :
> - Documentation/devicetree/bindings/regulator/fixed-regulator.yaml
> - Documentation/devicetree/bindings/regulator/gpio-regulator.yaml
>
> Signed-off-by: Christophe Kerello <christophe.kerello at st.com>
> Signed-off-by: Patrice Chotard <patrice.chotard at st.com>
> ---
>
> Changes in v2:
> - fix build issue
>
> drivers/power/regulator/regulator_common.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/power/regulator/regulator_common.c b/drivers/power/regulator/regulator_common.c
> index 3dabbe2a85..2041086567 100644
> --- a/drivers/power/regulator/regulator_common.c
> +++ b/drivers/power/regulator/regulator_common.c
> @@ -12,10 +12,15 @@ int regulator_common_ofdata_to_platdata(struct udevice *dev,
> struct regulator_common_platdata *dev_pdata, const char *enable_gpio_name)
> {
> struct gpio_desc *gpio;
> + struct dm_regulator_uclass_platdata *uc_pdata;
> int flags = GPIOD_IS_OUT;
> int ret;
>
> - if (dev_read_bool(dev, "enable-active-high"))
> + uc_pdata = dev_get_uclass_platdata(dev);
> +
> + if (!dev_read_bool(dev, "enable-active-high"))
> + flags |= GPIOD_ACTIVE_LOW;
> + if (uc_pdata->boot_on)
> flags |= GPIOD_IS_OUT_ACTIVE;
>
> /* Get optional enable GPIO desc */
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