linux-kernel - Re: [PATCH v4 2/2] arm64: dts: qcom: sa8775p-ride: Enable Display Port

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Message-ID: <a741b71b-af04-44aa-9e08-a3f852b8a801@quicinc.com>
Date: Wed, 20 Nov 2024 17:05:50 +0530
From: Soutrik Mukhopadhyay <quic_mukhopad@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC: <andersson@...nel.org>, <konradybcio@...nel.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <quic_riteshk@...cinc.com>,
        <quic_vproddut@...cinc.com>, <quic_abhinavk@...cinc.com>
Subject: Re: [PATCH v4 2/2] arm64: dts: qcom: sa8775p-ride: Enable Display
 Port


On 11/20/2024 4:42 PM, Dmitry Baryshkov wrote:
> On Wed, Nov 20, 2024 at 04:29:54PM +0530, Soutrik Mukhopadhyay wrote:
> > Enable DPTX0 and DPTX1 along with their corresponding PHYs for
> > sa8775p-ride platform.
> > 
> > Signed-off-by: Soutrik Mukhopadhyay <quic_mukhopad@...cinc.com>
> > ---
> >  arch/arm64/boot/dts/qcom/sa8775p-ride.dtsi | 80 ++++++++++++++++++++++
> >  1 file changed, 80 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/qcom/sa8775p-ride.dtsi b/arch/arm64/boot/dts/qcom/sa8775p-ride.dtsi
> > index adb71aeff339..4847e4942386 100644
> > --- a/arch/arm64/boot/dts/qcom/sa8775p-ride.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/sa8775p-ride.dtsi
> > @@ -27,6 +27,30 @@
> >  	chosen {
> >  		stdout-path = "serial0:115200n8";
> >  	};
> > +
> > +	dp0-connector {
> > +		compatible = "dp-connector";
> > +		label = "DP0";
>
> Thundercomm's SA8775p RIDE platform doesn't show such a connector. At
> least not on a device advertised on the web pages.


Are you referring to this product in the Thundercomm web page : SA8225P 
and SA8775P
Ride SX 4.0 Automotive Development Platform ? For this particular 
product we can see
eDP 0/1/2/3 serving as the dp connectors.


>
> > +		type = "full-size";
> > +
> > +		port {
> > +			dp0_connector_in: endpoint {
> > +				remote-endpoint = <&mdss0_dp0_out>;
> > +			};
> > +		};
> > +	};
> > +
> > +	dp1-connector {
> > +		compatible = "dp-connector";
> > +		label = "DP1";
>
> Same comment here.
>
> > +		type = "full-size";
> > +
> > +		port {
> > +			dp1_connector_in: endpoint {
> > +				remote-endpoint = <&mdss0_dp1_out>;
> > +			};
> > +		};
> > +	};
> >  };
> >  
> >  &apps_rsc {
>