linux-kernel - Re: [PATCH v4,1/3] media: dt-bindings: media: mediatek: vcodec: adapt to the 'clock-names' of different platforms

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Date:   Mon, 5 Dec 2022 11:54:30 -0600
From:   Rob Herring <robh@...nel.org>
To:     Yunfei Dong <yunfei.dong@...iatek.com>
Cc:     Chen-Yu Tsai <wenst@...omium.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>,
        Tiffany Lin <tiffany.lin@...iatek.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Daniel Vetter <daniel@...ll.ch>,
        Steve Cho <stevecho@...omium.org>, linux-media@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v4,1/3] media: dt-bindings: media: mediatek: vcodec:
 adapt to the 'clock-names' of different platforms

On Fri, Dec 02, 2022 at 11:44:48AM +0800, Yunfei Dong wrote:
> mt8195 and mt8192 have different clock numbers, separate 'clock-names'
> according to compatible name.
> 
> Signed-off-by: Yunfei Dong <yunfei.dong@...iatek.com>
> ---
> compared with v3:
> - rewrite clock-names according to different platforms.
> 
> Reference series:
> [1]: v5 of this series is presend by Allen-KH Cheng.
>      message-id: 20221128143832.25584-4-allen-kh.cheng@...iatek.com
> ---
>  .../media/mediatek,vcodec-subdev-decoder.yaml | 41 ++++++++++++++++---
>  1 file changed, 35 insertions(+), 6 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/media/mediatek,vcodec-subdev-decoder.yaml b/Documentation/devicetree/bindings/media/mediatek,vcodec-subdev-decoder.yaml
> index 7c5b4a91c59b..a08b2c814f40 100644
> --- a/Documentation/devicetree/bindings/media/mediatek,vcodec-subdev-decoder.yaml
> +++ b/Documentation/devicetree/bindings/media/mediatek,vcodec-subdev-decoder.yaml
> @@ -110,15 +110,12 @@ patternProperties:
>            Refer to bindings/iommu/mediatek,iommu.yaml.
>  
>        clocks:
> +        minItems: 1

Why 1? Looks like it should be 4 or 5 clocks.

>          maxItems: 5
>  
>        clock-names:
> -        items:
> -          - const: sel
> -          - const: soc-vdec
> -          - const: soc-lat
> -          - const: vdec
> -          - const: top
> +        minItems: 1
> +        maxItems: 5
>  
>        assigned-clocks:
>          maxItems: 1
> @@ -159,6 +156,38 @@ then:
>    required:
>      - interrupts
>  
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - mediatek,mt8192-vcodec-dec
> +    then:
> +      properties:
> +        clock-names:
> +          items:
> +            - const: sel
> +            - const: soc-vdec
> +            - const: soc-lat
> +            - const: vdec
> +            - const: top
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - mediatek,mt8195-vcodec-dec
> +    then:
> +      properties:
> +        clock-names:
> +          items:
> +            - const: sel
> +            - const: vdec
> +            - const: lat
> +            - const: top
> +
>  additionalProperties: false
>  
>  examples:
> -- 
> 2.18.0
> 
>