Re: [PATCH v2 1/4] dt-bindings: input: gpio-vibrator: Don't require enable-gpios

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On Wed, May 13, 2020 at 12:22:02AM +0200, Ondrej Jirman wrote:
> It is possible to turn the motor on/off just by enabling/disabling
> the vcc-supply.
> 
> Signed-off-by: Ondrej Jirman <megous@xxxxxxxxxx>
> Acked-by: Rob Herring <robh@xxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/input/gpio-vibrator.yaml | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/input/gpio-vibrator.yaml b/Documentation/devicetree/bindings/input/gpio-vibrator.yaml
> index 2384465eaa19..c700b640bd53 100644
> --- a/Documentation/devicetree/bindings/input/gpio-vibrator.yaml
> +++ b/Documentation/devicetree/bindings/input/gpio-vibrator.yaml
> @@ -24,7 +24,6 @@ properties:
>  
>  required:
>    - compatible
> -  - enable-gpios

Hmm we need at least one of the 2 (gpio and supply). Should we encode it
in the binding?

Also, in the dirver code, I guess we need to switch to have regulator
optional (so we are not given the dummy one) and bail if neither
regulator nor GPIO is found.

Thanks.

-- 
Dmitry



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