[PATCH v8 2/3] dt-bindings: arm: cpus: Document 'mediatek,freq-domain' property

Rob Herring robh at kernel.org
Wed Oct 28 11:08:58 EDT 2020


On Mon, Oct 26, 2020 at 04:19:08PM +0800, Hector Yuan wrote:
> From: "Hector.Yuan" <hector.yuan at mediatek.com>
> 
> Add devicetree documentation for 'mediatek,freq-domain' property specific
> to Mediatek CPUs. This property is used to reference the CPUFREQ node
> along with the domain id.
> 
> Signed-off-by: Hector.Yuan <hector.yuan at mediatek.com>
> ---
>  Documentation/devicetree/bindings/arm/cpus.yaml |    6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/cpus.yaml b/Documentation/devicetree/bindings/arm/cpus.yaml
> index 1222bf1..e995b26 100644
> --- a/Documentation/devicetree/bindings/arm/cpus.yaml
> +++ b/Documentation/devicetree/bindings/arm/cpus.yaml
> @@ -255,6 +255,12 @@ properties:
>  
>        where voltage is in V, frequency is in MHz.
>  
> +  mediatek,freq-domain:
> +    $ref: '/schemas/types.yaml#/definitions/phandle-array'
> +    description:
> +      CPUs supporting freq-domain must set their "mediatek,freq-domain" property
> +      with phandle to a cpufreq_hw node followed by the domain id.

This needs to be a common binding shared with SCMI domains.

> +
>    power-domains:
>      $ref: '/schemas/types.yaml#/definitions/phandle-array'
>      description:
> -- 
> 1.7.9.5



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