[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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