linux-kernel - [PATCH v2 3/3] arm64: dts: qcom: Enable DisplayPort on QCS615 Ride platform

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Message-Id: <20251014-add-displayport-support-to-qcs615-devicetree-v2-3-1209df74d410@oss.qualcomm.com>
Date: Tue, 14 Oct 2025 17:42:12 +0800
From: Xiangxu Yin via B4 Relay <devnull+xiangxu.yin.oss.qualcomm.com@...nel.org>
To: Rob Clark <robin.clark@....qualcomm.com>, 
 Dmitry Baryshkov <lumag@...nel.org>, 
 Abhinav Kumar <abhinav.kumar@...ux.dev>, 
 Jessica Zhang <jessica.zhang@....qualcomm.com>, Sean Paul <sean@...rly.run>, 
 Marijn Suijten <marijn.suijten@...ainline.org>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
 freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, fange.zhang@....qualcomm.com, 
 yongxing.mou@....qualcomm.com, li.liu@....qualcomm.com, 
 Xiangxu Yin <xiangxu.yin@....qualcomm.com>
Subject: [PATCH v2 3/3] arm64: dts: qcom: Enable DisplayPort on QCS615 Ride
 platform

From: Xiangxu Yin <xiangxu.yin@....qualcomm.com>

Add DP connector node and configure MDSS DisplayPort controller for
QCS615 Ride platform. Include lane mapping and PHY supply settings
to support DP output.

Signed-off-by: Xiangxu Yin <xiangxu.yin@....qualcomm.com>
---
 arch/arm64/boot/dts/qcom/qcs615-ride.dts | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcs615-ride.dts b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
index 9ac1dd3483b56f9d1652f8a38f62d759efa92b6a..0b8bcabdd90a0820b1f9c85e43b78e40eb8a9a38 100644
--- a/arch/arm64/boot/dts/qcom/qcs615-ride.dts
+++ b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
@@ -39,6 +39,20 @@ xo_board_clk: xo-board-clk {
 		};
 	};
 
+	dp0-connector {
+		compatible = "dp-connector";
+		label = "DP0";
+		type = "mini";
+
+		hpd-gpios = <&io_expander 8 GPIO_ACTIVE_HIGH>;
+
+		port {
+			dp0_connector_in: endpoint {
+				remote-endpoint = <&mdss_dp0_out>;
+			};
+		};
+	};
+
 	dp-dsi0-connector {
 		compatible = "dp-connector";
 		label = "DSI0";
@@ -423,6 +437,16 @@ &mdss {
 	status = "okay";
 };
 
+&mdss_dp0 {
+	status = "okay";
+};
+
+&mdss_dp0_out {
+	data-lanes = <3 2 0 1>;
+	link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000>;
+	remote-endpoint = <&dp0_connector_in>;
+};
+
 &mdss_dsi0 {
 	vdda-supply = <&vreg_l11a>;
 	status = "okay";
@@ -623,6 +647,13 @@ &usb_qmpphy {
 	status = "okay";
 };
 
+&usb_qmpphy_2 {
+	vdda-phy-supply = <&vreg_l5a>;
+	vdda-pll-supply = <&vreg_l12a>;
+
+	status = "okay";
+};
+
 &usb_1 {
 	status = "okay";
 };

-- 
2.34.1