linux-kernel - Re: [PATCH 1/3] arm64: dts: qcom: sc7180-trogdor-pazquel360: drop incorrect RT5682S VBAT-supply

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Message-ID: <CAD=FV=XTJsrnPszQ6GHMqYm0hUedA+N126jDSm2uVyVZ+L1e1Q@mail.gmail.com>
Date:   Wed, 22 Mar 2023 11:14:39 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Judy Hsiao <judyhsiao@...omium.org>,
        Matthias Kaehlcke <mka@...omium.org>
Subject: Re: [PATCH 1/3] arm64: dts: qcom: sc7180-trogdor-pazquel360: drop
 incorrect RT5682S VBAT-supply

Hi,

On Fri, Feb 17, 2023 at 7:58 AM Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org> wrote:
>
> It seems that the RT5682S codec does not use VBAT-supply:
>
>   sc7180-trogdor-pazquel360-lte.dtb: codec@1a: Unevaluated properties are not allowed ('VBAT-supply' was unexpected)
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>
> ---
>
> I don't have access to datasheet. Driver still requests VBAT-supply but
> other boards simply remove this property for RT5682S.

I checked and I don't see the driver requesting VBAT. Specifically
note that this is the "s" variant which seems to share no code with
the old variants (the "i" variant and the SDW variant).

> ---
>  arch/arm64/boot/dts/qcom/sc7180-trogdor-pazquel360.dtsi | 1 +
>  1 file changed, 1 insertion(+)

This seems right to me.

Reviewed-by: Douglas Anderson <dianders@...omium.org>