linux-kernel - Re: [PATCH v1 02/16] dt-bindings: memory: mediatek: Update condition for mt8195 smi node

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Date:   Mon, 4 Jul 2022 12:25:48 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Tinghan Shen <tinghan.shen@...iatek.com>,
        Yong Wu <yong.wu@...iatek.com>, Joerg Roedel <joro@...tes.org>,
        Will Deacon <will@...nel.org>,
        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>,
        Weiyi Lu <weiyi.lu@...iatek.com>
Cc:     iommu@...ts.linux-foundation.org,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v1 02/16] dt-bindings: memory: mediatek: Update condition
 for mt8195 smi node

Il 04/07/22 12:00, Tinghan Shen ha scritto:
> The max clock items for the dts node with compatible
> 'mediatek,mt8195-smi-sub-common' should be 3.
> 
> However, the dtbs_check of such node will get following message,
> arch/arm64/boot/dts/mediatek/mt8195-evb.dtb: smi@...10000: clock-names: ['apb', 'smi', 'gals0'] is too long
>           From schema: Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml
> 
> Remove the last 'else' checking to fix this error.
> 
> Signed-off-by: Tinghan Shen <tinghan.shen@...iatek.com>
> ---
>   .../memory-controllers/mediatek,smi-common.yaml        | 10 +++++++++-
>   1 file changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml
> index a98b359bf909..e5f553e2e12a 100644
> --- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml
> +++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml
> @@ -143,7 +143,15 @@ allOf:
>               - const: gals0
>               - const: gals1
>   
> -    else:  # for gen2 HW that don't have gals
> +  - if:  # for gen2 HW that don't have gals
> +      properties:
> +        compatible:
> +          enum:
> +            - mediatek,mt2712-smi-common

MT6795 also doesn't have any GALS, please add it in here.

Regards,
Angelo

> +            - mediatek,mt8167-smi-common
> +            - mediatek,mt8173-smi-common
> +
> +    then:
>         properties:
>           clocks:
>             minItems: 2