linux-kernel - [PATCH v3 2/2] arm64: dts: qcom: qcs8300-ride: Enable Display Port

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Message-ID: <20250114-dts_qcs8300-v3-2-d114cc5e4af9@quicinc.com>
Date: Tue, 14 Jan 2025 14:59:05 +0800
From: Yongxing Mou <quic_yongmou@...cinc.com>
To: 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>,
        Yongxing Mou <quic_yongmou@...cinc.com>,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: [PATCH v3 2/2] arm64: dts: qcom: qcs8300-ride: Enable Display Port

Enable DPTX0 along with their corresponding PHYs for
qcs8300-ride platform.

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Signed-off-by: Yongxing Mou <quic_yongmou@...cinc.com>
---
 arch/arm64/boot/dts/qcom/qcs8300-ride.dts | 42 +++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcs8300-ride.dts b/arch/arm64/boot/dts/qcom/qcs8300-ride.dts
index b5c9f89b34356bbf8387643e8702a2a5f50b332f..9b9eaeddf6ce2eb522765da57732fb7e0217b6ea 100644
--- a/arch/arm64/boot/dts/qcom/qcs8300-ride.dts
+++ b/arch/arm64/boot/dts/qcom/qcs8300-ride.dts
@@ -21,6 +21,18 @@ aliases {
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
+
+	dp0-connector {
+		compatible = "dp-connector";
+		label = "DP0";
+		type = "full-size";
+
+		port {
+			dp0_connector_in: endpoint {
+				remote-endpoint = <&mdss_dp0_out>;
+			};
+		};
+	};
 };
 
 &apps_rsc {
@@ -285,6 +297,30 @@ queue3 {
 	};
 };
 
+&mdss {
+	status = "okay";
+};
+
+&mdss_dp0 {
+	pinctrl-0 = <&dp_hot_plug_det>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
+
+&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 {
+	vdda-phy-supply = <&vreg_l5a>;
+	vdda-pll-supply = <&vreg_l4a>;
+
+	status = "okay";
+};
+
 &qupv3_id_0 {
 	status = "okay";
 };
@@ -310,6 +346,12 @@ &serdes0 {
 };
 
 &tlmm {
+	dp_hot_plug_det: dp-hot-plug-det-state {
+		pins = "gpio94";
+		function = "edp0_hot";
+		bias-disable;
+	};
+
 	ethernet0_default: ethernet0-default-state {
 		ethernet0_mdc: ethernet0-mdc-pins {
 			pins = "gpio5";

-- 
2.34.1