linux-kernel - Re: [PATCH v2 1/2] dt-bindings: backlight: lm3630a: add enable

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Message-ID: <20190911100851.f4rnldghtmly26oo@holly.lan>
Date:   Wed, 11 Sep 2019 11:08:51 +0100
From:   Daniel Thompson <daniel.thompson@...aro.org>
To:     Andreas Kemnade <andreas@...nade.info>
Cc:     lee.jones@...aro.org, jingoohan1@...il.com,
        jacek.anaszewski@...il.com, pavel@....cz, dmurphy@...com,
        robh+dt@...nel.org, mark.rutland@....com, b.zolnierkie@...sung.com,
        dri-devel@...ts.freedesktop.org, linux-leds@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-fbdev@...r.kernel.org,
        "H. Nikolaus Schaller" <hns@...delico.com>
Subject: Re: [PATCH v2 1/2] dt-bindings: backlight: lm3630a: add enable_gpios

On Tue, Sep 10, 2019 at 11:29:08PM +0200, Andreas Kemnade wrote:
> add enable-gpios to describe HWEN pin
> 
> Signed-off-by: Andreas Kemnade <andreas@...nade.info>

Acked-by: Daniel Thompson <daniel.thompson@...aro.org>

> ---
> changes in v2: add example
>  .../bindings/leds/backlight/lm3630a-backlight.yaml           | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
> index dc129d9a329e..1fa83feffe16 100644
> --- a/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
> +++ b/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
> @@ -29,6 +29,10 @@ properties:
>    '#size-cells':
>      const: 0
>  
> +  enable-gpios:
> +    description: GPIO to use to enable/disable the backlight (HWEN pin).
> +    maxItems: 1
> +
>  required:
>    - compatible
>    - reg
> @@ -92,6 +96,7 @@ examples:
>      i2c {
>          #address-cells = <1>;
>          #size-cells = <0>;
> +        enable-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
>  
>          led-controller@38 {
>                  compatible = "ti,lm3630a";
> -- 
> 2.20.1
>