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

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Message-ID: <4pmhzc5sf2c7dww3tihyqq5coco6u5nx7xvtqami7u55442gij@mqvyvqrpa6ft>
Date: Sun, 6 Oct 2024 14:47:33 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Frank Wunderlich <linux@...web.de>
Cc: Chaotian Jing <chaotian.jing@...iatek.com>, 
	Ulf Hansson <ulf.hansson@...aro.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Matthias Brugger <matthias.bgg@...il.com>, 
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, Wenbin Mei <wenbin.mei@...iatek.com>, 
	Frank Wunderlich <frank-w@...lic-files.de>, linux-mmc@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-mediatek@...ts.infradead.org, daniel@...rotopia.org, linux-gpio@...r.kernel.org, 
	john@...ozen.org, eladwf@...il.com, ansuelsmth@...il.com
Subject: Re: [PATCH v1 1/2] dt-bindings: mmc: mtk-sd: Add mt7988 SoC

On Sun, Oct 06, 2024 at 12:21:48PM +0200, Frank Wunderlich wrote:
> From: Frank Wunderlich <frank-w@...lic-files.de>
> 
> Add binding definitions for mmc on MT7988 SoC.
> 
> Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
> ---
>  .../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