linux-kernel - Re: [PATCH 2/2] arm64: dts: qcom: qcs8300-ride: Enable Display Port

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Message-ID: <466ea213-5f20-4a9f-a9dc-751756792845@oss.qualcomm.com>
Date: Thu, 5 Dec 2024 22:46:34 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Yongxing Mou <quic_yongmou@...cinc.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Ritesh Kumar <quic_riteshk@...cinc.com>
Subject: Re: [PATCH 2/2] arm64: dts: qcom: qcs8300-ride: Enable Display Port

On 27.11.2024 11:45 AM, Yongxing Mou wrote:
> Enable DPTX0 along with their corresponding PHYs for
> qcs8300-ride platform.
> 
> Signed-off-by: Yongxing Mou <quic_yongmou@...cinc.com>
> ---

[...]

> +
> +	dp0-connector {
> +		compatible = "dp-connector";
> +		label = "DP0";
> +		type = "full-size";

I was surprised to see it but yeah this is real

> +
> +		port {
> +			dp0_connector_in: endpoint {
> +				remote-endpoint = <&mdss_dp0_out>;
> +			};
> +		};
> +	};
>  };
>  
>  &apps_rsc {
> @@ -223,6 +235,30 @@ &gcc {
>  		 <0>;
>  };
>  
> +&mdss {
> +	status = "okay";
> +};
> +
> +&mdss_dp0 {
> +	status = "okay";
status should be the last property

> +
> +	pinctrl-0 = <&dp_hot_plug_det>;
> +	pinctrl-names = "default";
> +};
> +
> +&mdss_dp0_out {
> +	data-lanes = <0 1 2 3>;
> +	link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
> +	remote-endpoint = <&dp0_connector_in>;
> +};
> +
> +&mdss_dp0_phy {
> +	status = "okay";
> +
> +	vdda-phy-supply = <&vreg_l5a>;
> +	vdda-pll-supply = <&vreg_l4a>;
I couldn't find the reference for these, so I have to trust you

Konrad