linux-kernel - Re: [PATCH 01/11] dt-bindings: arm: mediatek: Add MT8195 Cherry Tomato Chromebooks

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Message-ID: <20220701153111.glbd6gophzipwtjk@notapiano>
Date:   Fri, 1 Jul 2022 11:31:11 -0400
From:   Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        matthias.bgg@...il.com, hsinyi@...omium.org,
        allen-kh.cheng@...iatek.com, gtk3@...ox.ru, luca@...tu.xyz,
        sam.shih@...iatek.com, sean.wang@...iatek.com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, wenst@...omium.org
Subject: Re: [PATCH 01/11] dt-bindings: arm: mediatek: Add MT8195 Cherry
 Tomato Chromebooks

On Thu, Jun 30, 2022 at 05:33:06PM +0200, AngeloGioacchino Del Regno wrote:
> Document board compatibles for the MT8195 Cherry platform's
> Tomato Chromebooks, at the time of writing composed of four
> revisions (r0, r1, r2, r3-r4).
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---
>  Documentation/devicetree/bindings/arm/mediatek.yaml | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/mediatek.yaml b/Documentation/devicetree/bindings/arm/mediatek.yaml
> index dd6c6e8011f9..3e0afa17ed2e 100644
> --- a/Documentation/devicetree/bindings/arm/mediatek.yaml
> +++ b/Documentation/devicetree/bindings/arm/mediatek.yaml
> @@ -144,6 +144,19 @@ properties:
>            - const: google,spherion-rev0
>            - const: google,spherion
>            - const: mediatek,mt8192
> +      - description: Google Tomato (Acer Chromebook Spin 513)

Hi Angelo,

searching for "Acer Chromebook Spin 513" I found that there are two different
chromebooks:

https://www.acer.com/ac/en/US/content/series/acerchromebookspin513
https://www.acer.com/ac/en/GB/content/series/acerchromebookspin513cp5132h

The first one is a Qualcomm based one, while the second is mt8195-based, so I
assume that's Tomato.

They can be telled apart by the model name though: the Qualcomm one is
"CP513-1H", while Tomato is "CP513-2H". So I suggest to add the "CP513-2H" here
in the description, as well as in the cover letter, to avoid confusion between
the two.

Thanks,
Nícolas

> +        items:
> +          - enum:
> +              - google,tomato-rev2
> +              - google,tomato-rev1
> +          - const: google,tomato
> +          - const: mediatek,mt8195
> +      - description: Google Tomato (rev3 - 4)
> +        items:
> +          - const: google,tomato-rev4
> +          - const: google,tomato-rev3
> +          - const: google,tomato
> +          - const: mediatek,mt8195
>        - items:
>            - enum:
>                - mediatek,mt8186-evb
> -- 
> 2.35.1
>