linux-kernel - Re: [PATCH 3/4] dt-bindings: arm: mediatek: Add missing power-domains property

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Date:   Fri, 16 Dec 2022 11:58:12 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Allen-KH Cheng <allen-kh.cheng@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Chun-Jie Chen <chun-jie.chen@...iatek.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Ikjoon Jang <ikjn@...omium.org>
Cc:     Project_Global_Chrome_Upstream_Group@...iatek.com,
        angelogioacchino.delregno@...labora.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        Chen-Yu Tsai <wenst@...omium.org>
Subject: Re: [PATCH 3/4] dt-bindings: arm: mediatek: Add missing power-domains
 property

On 15/12/2022 13:00, Allen-KH Cheng wrote:
> The "mediatek,mt8192-scp_adsp" binding requires a power domain to be
> specified.
> 
> Fixes: 4a803990aeb1 ("dt-bindings: ARM: Mediatek: Add new document bindings of MT8192 clock")
> Signed-off-by: Allen-KH Cheng <allen-kh.cheng@...iatek.com>
> ---
>  .../arm/mediatek/mediatek,mt8192-clock.yaml     | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8192-clock.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8192-clock.yaml
> index b57cc2e69efb..cbedef114103 100644
> --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8192-clock.yaml
> +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8192-clock.yaml
> @@ -40,6 +40,9 @@ properties:
>    reg:
>      maxItems: 1
>  
> +  power-domains:
> +    maxItems: 1
> +
>    '#clock-cells':
>      const: 1
>  
> @@ -49,11 +52,25 @@ required:
>  
>  additionalProperties: false
>  
> +allOf:

allOf goes just before additionalProperties.

> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - mediatek,mt8192-scp_adsp

For the future: please don't use underscores in compatibles.

> +    then:
> +      required:
> +        - power-domains
> +
>  examples:
>    - |
> +    #include <dt-bindings/power/mt8192-power.h>
> +
>      scp_adsp: clock-controller@...20000 {
>          compatible = "mediatek,mt8192-scp_adsp";
>          reg = <0x10720000 0x1000>;
> +        power-domains = <&spm MT8192_POWER_DOMAIN_ADSP>;
>          #clock-cells = <1>;
>      };
>  

Best regards,
Krzysztof