From: Aleksandrs Vinarskis <alex@vinarskis.com>
Date: Wed, 11 Feb 2026 00:16:25 +0000 (+0100)
Subject: arm64: dts: qcom: x1-asus-zenbook-a14: add HDMI port
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=09d72b0ef8b99adb6fc999a6f70e160c7ced932d;p=thirdparty%2Fkernel%2Fstable.git

arm64: dts: qcom: x1-asus-zenbook-a14: add HDMI port

Add HDMI port that utilizes qmpphy via Parade PS185HDM DP-HDMI
bridge.

Based on commit 34d76723c410 ("arm64: dts: qcom: x1e80100-vivobook-s15:
add HDMI port")

Signed-off-by: Aleksandrs Vinarskis <alex@vinarskis.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260211-zenbook-a14-improvements-v1-1-d970af6e25a3@vinarskis.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/x1-asus-zenbook-a14.dtsi b/arch/arm64/boot/dts/qcom/x1-asus-zenbook-a14.dtsi
index 8e5c5575a532..d441f860fbed 100644
--- a/arch/arm64/boot/dts/qcom/x1-asus-zenbook-a14.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1-asus-zenbook-a14.dtsi
@@ -63,6 +63,45 @@
 		};
 	};
 
+	hdmi-bridge {
+		compatible = "parade,ps185hdm";
+
+		pinctrl-0 = <&hdmi_hpd_default>;
+		pinctrl-names = "default";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				hdmi_bridge_dp_in: endpoint {
+					remote-endpoint = <&usb_1_ss2_qmpphy_out_dp>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				hdmi_bridge_tmds_out: endpoint {
+					remote-endpoint = <&hdmi_con>;
+				};
+			};
+		};
+	};
+
+	hdmi-connector {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_con: endpoint {
+				remote-endpoint = <&hdmi_bridge_tmds_out>;
+			};
+		};
+	};
+
 	leds {
 		compatible = "gpio-leds";
 
@@ -995,6 +1034,14 @@
 	link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
 };
 
+&mdss_dp2 {
+	status = "okay";
+};
+
+&mdss_dp2_out {
+	link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
+};
+
 &mdss_dp3 {
 	/delete-property/ #sound-dai-cells;
 
@@ -1253,6 +1300,12 @@
 		bias-disable;
 	};
 
+	hdmi_hpd_default: hdmi-hpd-default-state {
+		pins = "gpio126";
+		function = "usb2_dp";
+		bias-disable;
+	};
+
 	hdtl_default: hdtl-default-state {
 		pins = "gpio95";
 		function = "gpio";
@@ -1451,6 +1504,32 @@
 	remote-endpoint = <&retimer_ss1_ss_in>;
 };
 
+&usb_1_ss2_qmpphy {
+	vdda-phy-supply = <&vreg_l2j_1p2>;
+	vdda-pll-supply = <&vreg_l2d_0p9>;
+
+	/delete-property/ mode-switch;
+	/delete-property/ orientation-switch;
+
+	status = "okay";
+
+	ports {
+		port@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			/delete-node/ endpoint;
+
+			usb_1_ss2_qmpphy_out_dp: endpoint@0 {
+				reg = <0>;
+
+				data-lanes = <3 2 1 0>;
+				remote-endpoint = <&hdmi_bridge_dp_in>;
+			};
+		};
+	};
+};
+
 &usb_mp {
 	status = "okay";
 };