linux-kernel - Re: [PATCH v8 1/3] dt-bindings: msm: dsi-controller-main: Add compatible strings for every current SoC

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Message-ID: <7bfd7a4b-95fd-0e95-70a9-7287ddbd3a8c@linaro.org>
Date:   Wed, 18 Jan 2023 05:29:17 +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
Subject: Re: [PATCH v8 1/3] dt-bindings: msm: dsi-controller-main: Add
 compatible strings for every current SoC

On 17/01/2023 00:52, 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,sm8150-dsi-ctrl
> - qcom,sm8250-dsi-ctrl
> - qcom,sm8350-dsi-ctrl
> - qcom,sm8450-dsi-ctrl
> - qcom,sm8550-dsi-ctrl
> - qcom,qcm2290-dsi-ctrl
> 
> Deprecate qcom,dsi-ctrl-6g-qcm2290 in favour of the desired format while we
> do so.
> 
> Several MDSS yaml files exist which document the dsi sub-node.
> For each existing SoC MDSS yaml, provide the right dsi compat string.
> 
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
> ---
>   .../display/msm/dsi-controller-main.yaml      | 30 ++++++++++++++++---
>   .../bindings/display/msm/qcom,mdss.yaml       |  3 +-
>   .../display/msm/qcom,msm8998-mdss.yaml        |  8 +++--
>   .../display/msm/qcom,sc7180-mdss.yaml         |  6 ++--
>   .../display/msm/qcom,sc7280-mdss.yaml         |  6 ++--
>   .../display/msm/qcom,sdm845-mdss.yaml         |  8 +++--
>   .../display/msm/qcom,sm8150-mdss.yaml         |  8 +++--
>   .../display/msm/qcom,sm8250-mdss.yaml         |  8 +++--
>   .../display/msm/qcom,sm8350-mdss.yaml         |  6 ++--
>   .../display/msm/qcom,sm8450-mdss.yaml         |  4 ++-
>   10 files changed, 63 insertions(+), 24 deletions(-)

[skipped]


> diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sm8450-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sm8450-mdss.yaml
> index c268e0b662cf9..599a6bad80f43 100644
> --- a/Documentation/devicetree/bindings/display/msm/qcom,sm8450-mdss.yaml
> +++ b/Documentation/devicetree/bindings/display/msm/qcom,sm8450-mdss.yaml
> @@ -46,7 +46,9 @@ patternProperties:
>       type: object
>       properties:
>         compatible:
> -        const: qcom,mdss-dsi-ctrl
> +        items:
> +          - const: qcom,sm8450-dsi-ctrl
> +          - const: qcom,mdss-dsi-ctrl
>   
>     "^phy@[0-9a-f]+$":
>       type: object

The example also should be updated in this file to include 
qcom,sm8450-dsi-ctrl for DSI nodes

-- 
With best wishes
Dmitry