linux-kernel - Re: [PATCH] dt-bindings: msm/dsi: Don't require vdds-supply on 7nm PHY

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Message-ID: <CAA8EJprNzLMnU7cguMit6Y4sgU0-SOkiiL+=s_BFBZiyvNvsAw@mail.gmail.com>
Date:   Mon, 16 Jan 2023 14:52:30 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, andersson@...nel.org,
        agross@...nel.org, krzysztof.kozlowski@...aro.org,
        marijn.suijten@...ainline.org, Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jonathan Marek <jonathan@...ek.ca>,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: msm/dsi: Don't require vdds-supply on 7nm PHY

On Mon, 16 Jan 2023 at 13:51, Konrad Dybcio <konrad.dybcio@...aro.org> wrote:
>
> On some SoCs (hello SM6375) vdds-supply is not wired to any smd-rpm
> or rpmh regulator, but instead powered by the VDD_MX/mx.lvl line,
> which is voted for in the DSI ctrl node.

I think we should have an explicit `if compatible then required:
vdds-supply' clause. WDYT?

>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
>  Documentation/devicetree/bindings/display/msm/dsi-phy-7nm.yaml | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/display/msm/dsi-phy-7nm.yaml b/Documentation/devicetree/bindings/display/msm/dsi-phy-7nm.yaml
> index 9c9184f94c44..8e9031bbde73 100644
> --- a/Documentation/devicetree/bindings/display/msm/dsi-phy-7nm.yaml
> +++ b/Documentation/devicetree/bindings/display/msm/dsi-phy-7nm.yaml
> @@ -48,7 +48,6 @@ required:
>    - compatible
>    - reg
>    - reg-names
> -  - vdds-supply
>
>  unevaluatedProperties: false
>
> --
> 2.39.0
>


-- 
With best wishes
Dmitry