linux-kernel - [PATCH 2/2] arm64: dts: qcom: monaco-evk: Enable the tertiary USB controller

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Message-Id: <20260210155329.3044455-3-swati.agarwal@oss.qualcomm.com>
Date: Tue, 10 Feb 2026 21:23:29 +0530
From: Swati Agarwal <swati.agarwal@....qualcomm.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,
        Swati Agarwal <swati.agarwal@....qualcomm.com>
Subject: [PATCH 2/2] arm64: dts: qcom: monaco-evk: Enable the tertiary USB controller

Enable the tertiary usb controller connected to micro usb port in OTG mode
on Monaco EVK platform.

Signed-off-by: Swati Agarwal <swati.agarwal@....qualcomm.com>
---
 arch/arm64/boot/dts/qcom/monaco-evk.dts | 53 +++++++++++++++++++++++++
 arch/arm64/boot/dts/qcom/monaco.dtsi    |  7 ++++
 2 files changed, 60 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/monaco-evk.dts b/arch/arm64/boot/dts/qcom/monaco-evk.dts
index 03af9bbcacc9..e6fc6f6a52e1 100644
--- a/arch/arm64/boot/dts/qcom/monaco-evk.dts
+++ b/arch/arm64/boot/dts/qcom/monaco-evk.dts
@@ -27,6 +27,25 @@ chosen {
 		stdout-path = "serial0:115200n8";
 	};
 
+	connector-2 {
+		compatible = "gpio-usb-b-connector", "usb-b-connector";
+		label = "micro-USB";
+		type = "micro";
+
+		id-gpios = <&pmm8620au_0_gpios 9 GPIO_ACTIVE_HIGH>;
+		vbus-gpios = <&expander6 7 GPIO_ACTIVE_HIGH>;
+		vbus-supply = <&vbus_supply_regulator_2>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&usb2_id>;
+
+		port {
+			usb2_con_hs_ep: endpoint {
+				remote-endpoint = <&usb_2_dwc3_hs>;
+			};
+		};
+	};
+
 	dmic: audio-codec-0 {
 		compatible = "dmic-codec";
 		#sound-dai-cells = <0>;
@@ -77,6 +96,15 @@ platform {
 			};
 		};
 	};
+
+	vbus_supply_regulator_2: vbus-supply-regulator-2 {
+		compatible = "regulator-fixed";
+		regulator-name = "vbus_supply_2";
+		gpio = <&pmm8650au_1_gpios 7 GPIO_ACTIVE_HIGH>;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		enable-active-high;
+	};
 };
 
 &apps_rsc {
@@ -484,6 +512,16 @@ &pcieport1 {
 	wake-gpios = <&tlmm 21 GPIO_ACTIVE_HIGH>;
 };
 
+&pmm8620au_0_gpios {
+	usb2_id: usb2-id-state {
+		pins = "gpio9";
+		function = "normal";
+		input-enable;
+		bias-pull-up;
+		power-source = <0>;
+	};
+};
+
 &qupv3_id_0 {
 	firmware-name = "qcom/qcs8300/qupv3fw.elf";
 	status = "okay";
@@ -690,3 +728,18 @@ &usb_qmpphy {
 
 	status = "okay";
 };
+
+&usb_2 {
+	status = "okay";
+};
+
+&usb_2_dwc3_hs {
+	remote-endpoint = <&usb2_con_hs_ep>;
+};
+
+&usb_2_hsphy {
+	vdda-pll-supply = <&vreg_l7a>;
+	vdda18-supply = <&vreg_l7c>;
+	vdda33-supply = <&vreg_l9a>;
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/qcom/monaco.dtsi b/arch/arm64/boot/dts/qcom/monaco.dtsi
index 5d2df4305d1c..59dfacbae4f6 100644
--- a/arch/arm64/boot/dts/qcom/monaco.dtsi
+++ b/arch/arm64/boot/dts/qcom/monaco.dtsi
@@ -5232,7 +5232,14 @@ &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
 			qcom,select-utmi-as-pipe-clk;
 			wakeup-source;
 
+			usb-role-switch;
+
 			status = "disabled";
+
+			port {
+				usb_2_dwc3_hs: endpoint {
+				};
+			};
 		};
 
 		iris: video-codec@...0000 {
-- 
2.34.1