linux-kernel - Re: [PATCH v4 5/5] dt-bindings: arm: qcom: Add more sc7180 Chromebook board bindings

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Message-ID: <a2bcac04-23ad-d1ae-84f1-924c4dbad42b@linaro.org>
Date:   Sun, 22 May 2022 10:01:44 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Douglas Anderson <dianders@...omium.org>,
        Rob Herring <robh+dt@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Matthias Kaehlcke <mka@...omium.org>,
        Alexandru M Stan <amstan@...omium.org>,
        patches@...ts.linux.dev, linux-arm-msm@...r.kernel.org,
        Julius Werner <jwerner@...omium.org>,
        Andy Gross <agross@...nel.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Rajendra Nayak <quic_rjendra@...cinc.com>,
        "Joseph S . Barrera III" <joebar@...omium.org>,
        devicetree@...r.kernel.org, Stephen Boyd <sboyd@...eaurora.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 5/5] dt-bindings: arm: qcom: Add more sc7180 Chromebook
 board bindings

On 20/05/2022 23:38, Douglas Anderson wrote:
> This adds board bindings for boards that are downstream but not quite
> upstream yet.
> 
> Signed-off-by: Douglas Anderson <dianders@...omium.org>
> Reviewed-by: Matthias Kaehlcke <mka@...omium.org>
> ---
> Normally this bindings doc would go together in the same series that
> adds the device trees. In this case, Joe has been sending patches
> supporting these Chromebooks. His most recent posting is:
> 
> https://lore.kernel.org/r/20220510154406.v5.1.Id769ddc5dbf570ccb511db96da59f97d08f75a9c@changeid/
> 
> If he were to add this patch to the end of his v6, however, it would
> make things a bit more complicated simply becuase it would cause
> conflicts with all the other patches in this series. ...so steady
> state it would be correct to keep it in the series with the device
> tree files, but for this one time I think it makes sense to keep all
> the Chromebook board bindings patches together.
> 
> (no changes since v2)
> 
> Changes in v2:
> - Use a "description" instead of a comment for each item.
> - Use the marketing name instead of the code name where possible.
> 
>  .../devicetree/bindings/arm/qcom.yaml         | 92 +++++++++++++++++++
>  1 file changed, 92 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/qcom.yaml b/Documentation/devicetree/bindings/arm/qcom.yaml
> index 3d150d1a93cd..277faf59db57 100644
> --- a/Documentation/devicetree/bindings/arm/qcom.yaml
> +++ b/Documentation/devicetree/bindings/arm/qcom.yaml
> @@ -263,6 +263,16 @@ properties:
>            - const: google,homestar
>            - const: qcom,sc7180
>  
> +      - description: Google Kingoftown (rev0)
> +        items:
> +          - const: google,kingoftown-rev0
> +          - const: qcom,sc7180
> +
> +      - description: Google Kingoftown (newest rev)
> +        items:
> +          - const: google,kingoftown
> +          - const: qcom,sc7180
> +
>        - description: Acer Chromebook Spin 513 (rev0)
>          items:
>            - const: google,lazor-rev0
> @@ -364,6 +374,48 @@ properties:
>            - const: google,lazor-sku6
>            - const: qcom,sc7180
>  
> +      - description: Google Mrbland with AUO panel (rev0)
> +        items:
> +          - const: google,mrbland-rev0-sku0
> +          - const: qcom,sc7180
> +
> +      - description: Google Mrbland with AUO panel (newest rev)
> +        items:
> +          - const: google,mrbland-sku1536
> +          - const: qcom,sc7180
> +
> +      - description: Google Mrbland with BOE panel (rev0)
> +        items:
> +          - const: google,mrbland-rev0-sku16

Similar question to patch #3, this could be:


+      - description: Google Mrbland
+        items:
+          - enum:
+              - google,mrbland-rev0-sku0     # AUO panel (rev0)
+              - google,mrbland-rev0-sku16    # BOE panel (rev0)
+          - const: qcom,sc7180

and the file gets smaller and easier to read.


Best regards,
Krzysztof