[PATCH 11/18] dt-bindings: pwm: add power-domains property

[Conor Dooley]

Yo,

On Mon, Oct 23, 2023 at 04:40:11PM +0200, Alexandre Mergnat wrote:
> According to the Mediatek datasheet, the display PWM block has a power
> domain.

Datasheet for which soc? The mt8173? Is it valid for all devices in this
binding?

Cheers,
Conor.

> 
> Signed-off-by: Alexandre Mergnat <amergnat at baylibre.com>
> ---
>  Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> index 153e146df7d4..efe0cacf55b7 100644
> --- a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> +++ b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> @@ -53,6 +53,12 @@ properties:
>        - const: main
>        - const: mm
>  
> +  power-domains:
> +    maxItems: 1
> +    description: A phandle and PM domain specifier as defined by bindings of
> +      the power controller specified by phandle. See
> +      Documentation/devicetree/bindings/power/power-domain.yaml for details.
> +
>  required:
>    - compatible
>    - reg
> @@ -67,6 +73,7 @@ examples:
>      #include <dt-bindings/interrupt-controller/arm-gic.h>
>      #include <dt-bindings/clock/mt8173-clk.h>
>      #include <dt-bindings/interrupt-controller/irq.h>
> +    #include <dt-bindings/power/mt8173-power.h>
>  
>      pwm0: pwm at 1401e000 {
>          compatible = "mediatek,mt8173-disp-pwm";
> @@ -75,4 +82,5 @@ examples:
>          clocks = <&mmsys CLK_MM_DISP_PWM026M>,
>                   <&mmsys CLK_MM_DISP_PWM0MM>;
>          clock-names = "main", "mm";
> +        power-domains = <&spm MT8173_POWER_DOMAIN_MM>;
>      };
> 
> -- 
> 2.25.1
> 
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