From: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Date: Fri, 13 Feb 2026 17:25:25 +0000 (+0200)
Subject: arm64: dts: qcom: qrb2210-arduino-imola: describe DSI / DP bridge
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d5574bb935e38c208bb7a20acaa4233b935f1ef9;p=thirdparty%2Fkernel%2Fstable.git

arm64: dts: qcom: qrb2210-arduino-imola: describe DSI / DP bridge

Aruino Uno-Q uses Analogix ANX7625 DSI-to-DP bridge to convert DSI
signals to the connected USB-C DisplayPort dongles. Decribe the chip,
USB-C connector and routing of USB and display signals.

Co-developed-by: Martino Facchin <m.facchin@arduino.cc>
Signed-off-by: Martino Facchin <m.facchin@arduino.cc>
Tested-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260213-uno-q-anx7625-v2-1-c23359616528@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts b/arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts
index 5ab605cc56c8..bf088fa9807f 100644
--- a/arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts
+++ b/arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts
@@ -6,6 +6,7 @@
 /dts-v1/;
 
 #include <dt-bindings/leds/common.h>
+#include <dt-bindings/usb/pd.h>
 #include "agatti.dtsi"
 #include "pm4125.dtsi"
 
@@ -109,6 +110,15 @@
 		leds = <&ledr>, <&ledg>, <&ledb>;
 	};
 
+	vreg_anx_30: regulator-anx-30 {
+		compatible = "regulator-fixed";
+		regulator-name = "anx30";
+		regulator-min-microvolt = <3000000>;
+		regulator-max-microvolt = <3000000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
 	/* PM4125 charger out, supplied by VBAT */
 	vph_pwr: regulator-vph-pwr {
 		compatible = "regulator-fixed";
@@ -142,6 +152,86 @@
 	clock-frequency = <100000>;
 
 	status = "okay";
+
+	anx7625: encoder@58 {
+		compatible = "analogix,anx7625";
+		reg = <0x58>;
+		interrupts-extended = <&tlmm 81 IRQ_TYPE_EDGE_FALLING>;
+		vdd10-supply = <&pm4125_l11>;
+		vdd18-supply = <&pm4125_l15>;
+		vdd33-supply = <&vreg_anx_30>;
+		analogix,audio-enable;
+		analogix,lane0-swing = /bits/ 8 <0x14 0x54 0x64 0x74>;
+		analogix,lane1-swing = /bits/ 8 <0x14 0x54 0x64 0x74>;
+
+		pinctrl-0 = <&anx7625_int_pin>, <&anx7625_cable_det_pin>;
+
+		connector {
+			compatible = "usb-c-connector";
+			power-role = "sink";
+			data-role = "dual";
+			try-power-role = "sink";
+
+			pd-revision = /bits/ 8 <0x03 0x00 0x00 0x00>;
+			op-sink-microwatt = <15000000>;
+			sink-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)
+				     PDO_VAR(5000, 20000, 3000)>;
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+
+					anx_hs_in: endpoint {
+						remote-endpoint = <&usb_dwc3_hs>;
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+
+					anx_ss_in: endpoint {
+						remote-endpoint = <&usb_qmpphy_out>;
+					};
+				};
+			};
+		};
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				anx_dsi0_in: endpoint {
+					remote-endpoint = <&mdss_dsi0_out>;
+					data-lanes = <0 1 2 3>;
+				};
+			};
+		};
+	};
+};
+
+&mdss {
+	status = "okay";
+};
+
+&mdss_dsi0 {
+	vdda-supply = <&pm4125_l5>;
+
+	status = "okay";
+};
+
+&mdss_dsi0_out {
+	remote-endpoint = <&anx_dsi0_in>;
+	data-lanes = <0 1 2 3>;
+};
+
+&mdss_dsi0_phy {
+	status = "okay";
 };
 
 &pm4125_vbus {
@@ -353,6 +443,22 @@
 		output-disable;
 	};
 
+	anx7625_cable_det_pin: anx7625-cable-det-pins-state {
+		pins = "gpio46";
+		function = "gpio";
+		drive-strength = <16>;
+		output-disable;
+		bias-pull-up;
+	};
+
+	anx7625_int_pin: anx7625-int-pins-state {
+		pins = "gpio81";
+		function = "gpio";
+		drive-strength = <16>;
+		output-disable;
+		bias-pull-up;
+	};
+
 	key_volp_n: key-volp-n-state {
 		pins = "gpio96";
 		function = "gpio";
@@ -420,6 +526,10 @@
 	status = "okay";
 };
 
+&usb_dwc3_hs {
+	remote-endpoint = <&anx_hs_in>;
+};
+
 &usb_hsphy {
 	vdd-supply = <&pm4125_l12>;
 	vdda-pll-supply = <&pm4125_l13>;
@@ -435,6 +545,10 @@
 	status = "okay";
 };
 
+&usb_qmpphy_out {
+	remote-endpoint = <&anx_ss_in>;
+};
+
 &wifi {
 	vdd-0.8-cx-mx-supply = <&pm4125_l7>;
 	vdd-1.8-xo-supply = <&pm4125_l13>;