linux-kernel - Re: [PATCH v2 2/2] arm64: dts: mt8183: Add krane-sku0 board.

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Date:   Tue, 12 Jan 2021 21:20:31 -0600
From:   Rob Herring <robh@...nel.org>
To:     Hsin-Yi Wang <hsinyi@...omium.org>
Cc:     linux-arm-kernel@...ts.infradead.org,
        Matthias Brugger <matthias.bgg@...il.com>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Nicolas Boichat <drinkcat@...omium.org>,
        devicetree@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] arm64: dts: mt8183: Add krane-sku0 board.

On Thu, Jan 07, 2021 at 01:22:06PM +0800, Hsin-Yi Wang wrote:
> Similar to krane-sku176 but using a different panel source.
> 
> Signed-off-by: Hsin-Yi Wang <hsinyi@...omium.org>
> ---
> Change:
> v2: move compatible to board dts
> ---
>  .../devicetree/bindings/arm/mediatek.yaml     |  1 +
>  arch/arm64/boot/dts/mediatek/Makefile         |  1 +
>  .../dts/mediatek/mt8183-kukui-krane-sku0.dts  | 23 +++++++++++++++++++
>  3 files changed, 25 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/mediatek/mt8183-kukui-krane-sku0.dts
> 
> diff --git a/Documentation/devicetree/bindings/arm/mediatek.yaml b/Documentation/devicetree/bindings/arm/mediatek.yaml
> index 53f0d4e3ea982..3276f7a2ce672 100644
> --- a/Documentation/devicetree/bindings/arm/mediatek.yaml
> +++ b/Documentation/devicetree/bindings/arm/mediatek.yaml
> @@ -120,6 +120,7 @@ properties:
>            - const: mediatek,mt8183
>        - description: Google Krane (Lenovo IdeaPad Duet, 10e,...)
>          items:
> +          - const: google,krane-sku0
>            - const: google,krane-sku176
>            - const: google,krane
>            - const: mediatek,mt8183

This says you must have all 4 compatible strings in the order listed. 
That doesn't match your dts. I assume you want the first 2 under an 
'enum' so there's 3 strings with the first one being sku0 or sku176?

Rob