linux-kernel - Re: [PATCH] arm64: dts: qcom: sc8280xp-x13s: Use the correct DP PHY compatible

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Message-ID: <ZSzwbmE_grD-giRp@hovoldconsulting.com>
Date:   Mon, 16 Oct 2023 10:12:30 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Johan Hovold <johan+linaro@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: sc8280xp-x13s: Use the correct DP PHY
 compatible

On Mon, Oct 02, 2023 at 10:54:57AM +0200, Johan Hovold wrote:
> On Fri, Sep 29, 2023 at 06:02:57PM +0200, Konrad Dybcio wrote:
> > The DP PHY needs different settings when an eDP display is used.
> > Make sure these apply on the X13s.
> 
> Good catch. This looks to be more in line with what Bjorn intended.
> 
> You should fix up sc8280xp-crd and sa8295p-adp.dts as well however.

As we discussed off-list, some of the ADP DP PHYs are apparently just
confusingly named "eDP" for some reason so that does not need fixing.

I sent a fix for the CRD here:

	https://lore.kernel.org/all/20231016080658.6667-1-johan+linaro@kernel.org/

> >  &mdss0_dp3_phy {
> > +	compatible = "qcom,sc8280xp-edp-phy";
> 
> Nit: Can you add a newline here after the compatible, please?

Would you mind respinning this one with an added newline here for
consistency, though?

> >  	vdda-phy-supply = <&vreg_l6b>;
> >  	vdda-pll-supply = <&vreg_l3b>;
 
Johan