linux-kernel - Re: [PATCH v3 12/12] arm64: dts: qcom: sa8295-adp: Enable DP instances

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Message-ID: <20221027020007.bkbmqbodihxlefnl@builder.lan>
Date:   Wed, 26 Oct 2022 21:00:07 -0500
From:   Bjorn Andersson <andersson@...nel.org>
To:     Johan Hovold <johan@...nel.org>
Cc:     Bjorn Andersson <quic_bjorande@...cinc.com>,
        Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        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>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Kuogee Hsieh <quic_khsieh@...cinc.com>,
        Sankeerth Billakanti <quic_sbillaka@...cinc.com>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 12/12] arm64: dts: qcom: sa8295-adp: Enable DP
 instances

On Wed, Oct 26, 2022 at 01:50:15PM +0200, Johan Hovold wrote:
> On Tue, Oct 25, 2022 at 08:26:24PM -0700, Bjorn Andersson wrote:
> > From: Bjorn Andersson <bjorn.andersson@...aro.org>
> > 
> > The SA8295P ADP has, among other interfaces, six MiniDP connectors which
> > are connected to MDSS0 DP2 and DP3, and MDSS1 DP0 through DP3.
> > 
> > Enable Display Clock controllers, MDSS instanced, MDPs, DP controllers,
> > DP PHYs and link them all together.
> > 
> > Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> > Signed-off-by: Bjorn Andersson <quic_bjorande@...cinc.com>
> > ---
> 
> >  &apps_rsc {
> > @@ -156,13 +240,169 @@ vreg_l7g: ldo7 {
> >  
> >  		vreg_l8g: ldo8 {
> >  			regulator-name = "vreg_l8g";
> > -			regulator-min-microvolt = <880000>;
> > -			regulator-max-microvolt = <880000>;
> > +			regulator-min-microvolt = <912000>;
> > +			regulator-max-microvolt = <912000>;
> > +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> > +			regulator-allow-set-load;
> 
> Did you really intend to allow set-load here?
> 
> I'm guessing this wasn't the case, but otherwise you also need to
> specify the valid modes.
> 

I see no reason for keeping it at this point in time, will drop it.

Thanks,
Bjorn

> > +		};
> > +
> > +		vreg_l11g: ldo11 {
> > +			regulator-name = "vreg_l11g";
> > +			regulator-min-microvolt = <912000>;
> > +			regulator-max-microvolt = <912000>;
> >  			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> >  		};
> >  	};
> >  };
> 
> > +&mdss0_dp2_phy {
> > +	status = "okay";
> > +
> > +	vdda-phy-supply = <&vreg_l8g>;
> > +	vdda-pll-supply = <&vreg_l3g>;
> > +};
> 
> Johan