Re: [PATCH v1 1/2] dt-bindings: mmc: mtk-sd: Add mt7988 SoC

[Krzysztof Kozlowski <krzk@xxxxxxxxxx>]

On Sun, Oct 06, 2024 at 12:21:48PM +0200, Frank Wunderlich wrote:
> From: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>
> 
> Add binding definitions for mmc on MT7988 SoC.
> 
> Signed-off-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>
> ---
>  .../devicetree/bindings/mmc/mtk-sd.yaml       | 24 +++++++++++++++++++
>  1 file changed, 24 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
> index c532ec92d2d9..db7d1c570aea 100644
> --- a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
> +++ b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
> @@ -21,6 +21,7 @@ properties:
>            - mediatek,mt7620-mmc
>            - mediatek,mt7622-mmc
>            - mediatek,mt7986-mmc
> +          - mediatek,mt7988-mmc
>            - mediatek,mt8135-mmc
>            - mediatek,mt8173-mmc
>            - mediatek,mt8183-mmc
> @@ -263,6 +264,29 @@ allOf:
>              - const: bus_clk
>              - const: sys_cg
>  
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - mediatek,mt7988-mmc
> +    then:
> +      properties:
> +        clocks:
> +          minItems: 3
> +          items:
> +            - description: source clock
> +            - description: HCLK which used for host
> +            - description: Advanced eXtensible Interface
> +            - description: Advanced High-performance Bus clock

Why ahb is optional?

Best regards,
Krzysztof