linux-kernel - Re: [PATCH v6 04/18] dt-bindings: msm: dsi-controller-main: Add compatible strings for every current SoC

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Message-ID: <913f2772-2673-4270-030c-c036984d36c6@linaro.org>
Date:   Tue, 10 Jan 2023 07:48:57 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org,
        devicetree@...r.kernel.org
Cc:     robdclark@...il.com, quic_abhinavk@...cinc.com, sean@...rly.run,
        airlied@...il.com, daniel@...ll.ch, robh+dt@...nel.org,
        dianders@...omium.org, david@...t.cz,
        krzysztof.kozlowski+dt@...aro.org, swboyd@...omium.org,
        konrad.dybcio@...ainline.org, agross@...nel.org,
        andersson@...nel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH v6 04/18] dt-bindings: msm: dsi-controller-main: Add
 compatible strings for every current SoC

On 23/12/2022 04:10, Bryan O'Donoghue wrote:
> Currently we do not differentiate between the various users of the
> qcom,mdss-dsi-ctrl. The driver is flexible enough to operate from one
> compatible string but, the hardware does have some significant differences
> in the number of clocks.
> 
> To facilitate documenting the clocks add the following compatible strings
> 
> - qcom,apq8064-dsi-ctrl
> - qcom,msm8916-dsi-ctrl
> - qcom,msm8953-dsi-ctrl
> - qcom,msm8974-dsi-ctrl
> - qcom,msm8996-dsi-ctrl
> - qcom,msm8998-dsi-ctrl
> - qcom,sc7180-dsi-ctrl
> - qcom,sc7280-dsi-ctrl
> - qcom,sdm660-dsi-ctrl
> - qcom,sdm845-dsi-ctrl
> - qcom,sm8250-dsi-ctrl
> - qcom,qcm2290-dsi-ctrl
> 
> Deprecate qcom,dsi-ctrl-6g-qcm2290 in favour of the desired format while we
> do so.
> 
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
> ---
>   .../display/msm/dsi-controller-main.yaml      | 26 ++++++++++++++++---
>   1 file changed, 22 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
> index 6e2fd6e9fa7f0..98d54a7ee28d4 100644
> --- a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
> +++ b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
> @@ -14,9 +14,27 @@ allOf:
>   
>   properties:
>     compatible:
> -    enum:
> -      - qcom,mdss-dsi-ctrl
> -      - qcom,dsi-ctrl-6g-qcm2290
> +    oneOf:
> +      - items:
> +          - enum:
> +              - qcom,apq8064-dsi-ctrl
> +              - qcom,msm8916-dsi-ctrl
> +              - qcom,msm8953-dsi-ctrl
> +              - qcom,msm8974-dsi-ctrl
> +              - qcom,msm8996-dsi-ctrl
> +              - qcom,msm8998-dsi-ctrl
> +              - qcom,qcm2290-dsi-ctrl
> +              - qcom,sc7180-dsi-ctrl
> +              - qcom,sc7280-dsi-ctrl
> +              - qcom,sdm660-dsi-ctrl
> +              - qcom,sdm845-dsi-ctrl
> +              - qcom,sm8250-dsi-ctrl

If you would for any reason send v7, could you please also add sm8150 
and sm8[345]50?

> +          - const: qcom,mdss-dsi-ctrl
> +      - items:
> +          - enum:
> +              - dsi-ctrl-6g-qcm2290
> +          - const: qcom,mdss-dsi-ctrl
> +        deprecated: true
>   
>     reg:
>       maxItems: 1
> @@ -149,7 +167,7 @@ examples:
>        #include <dt-bindings/power/qcom-rpmpd.h>
>   
>        dsi@...4000 {
> -           compatible = "qcom,mdss-dsi-ctrl";
> +           compatible = "qcom,sc7180-dsi-ctrl", "qcom,mdss-dsi-ctrl";
>              reg = <0x0ae94000 0x400>;
>              reg-names = "dsi_ctrl";
>   

-- 
With best wishes
Dmitry