linux-kernel - [PATCH] arm64: dts: qcom: lemans-evk: Add OTG support for primary USB controller

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Message-Id: <20251002172946.589061-1-krishna.kurapati@oss.qualcomm.com>
Date: Thu,  2 Oct 2025 22:59:46 +0530
From: Krishna Kurapati <krishna.kurapati@....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,
        Krishna Kurapati <krishna.kurapati@....qualcomm.com>
Subject: [PATCH] arm64: dts: qcom: lemans-evk: Add OTG support for primary USB controller

Enable OTG support for primary USB controller on EVK Platform. Add
HD3SS3220 Type-C port controller present between Type-C port and SoC
that provides role switch notifications to controller.

Signed-off-by: Krishna Kurapati <krishna.kurapati@....qualcomm.com>
---
Link to driver and binding changes:
https://lore.kernel.org/all/20251002172539.586538-1-krishna.kurapati@oss.qualcomm.com/

 arch/arm64/boot/dts/qcom/lemans-evk.dts | 122 +++++++++++++++++++++++-
 1 file changed, 121 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/lemans-evk.dts b/arch/arm64/boot/dts/qcom/lemans-evk.dts
index c7dc9b8f4457..0b6d8d2d19d6 100644
--- a/arch/arm64/boot/dts/qcom/lemans-evk.dts
+++ b/arch/arm64/boot/dts/qcom/lemans-evk.dts
@@ -37,6 +37,32 @@ chosen {
 		stdout-path = "serial0:115200n8";
 	};
 
+	connector0 {
+		compatible = "usb-c-connector";
+		label = "USB0-Type-C";
+		data-role = "dual";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				usb0_con_hs_ep: endpoint {
+					remote-endpoint = <&usb3_hs_ep>;
+				};
+			};
+			port@1 {
+				reg = <1>;
+
+				usb0_con_ss_ep: endpoint {
+					remote-endpoint = <&hd3ss3220_in_ep>;
+				};
+			};
+		};
+	};
+
 	edp0-connector {
 		compatible = "dp-connector";
 		label = "EDP0";
@@ -101,6 +127,15 @@ platform {
 		};
 	};
 
+	vbus_supply_regulator_0: vbus-supply-regulator-0 {
+		compatible = "regulator-fixed";
+		regulator-name = "vbus_supply_0";
+		gpio = <&expander1 2 GPIO_ACTIVE_HIGH>;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		enable-active-high;
+	};
+
 	vmmc_sdc: regulator-vmmc-sdc {
 		compatible = "regulator-fixed";
 
@@ -453,6 +488,55 @@ &gpi_dma2 {
 	status = "okay";
 };
 
+&pmm8654au_2_gpios {
+	usb0_intr_state: usb0-intr-state {
+		pins = "gpio5";
+		function = "normal";
+		input-enable;
+		bias-pull-up;
+		power-source = <0>;
+	};
+};
+
+&i2c11 {
+	status = "okay";
+
+	hd3ss3220@67 {
+		compatible = "ti,hd3ss3220";
+		reg = <0x67>;
+
+		interrupts-extended = <&pmm8654au_2_gpios 5 IRQ_TYPE_EDGE_FALLING>;
+
+		id-gpios = <&tlmm 50 GPIO_ACTIVE_HIGH>;
+
+		pinctrl-0 = <&usb_id>, <&usb0_intr_state>;
+		pinctrl-names = "default";
+
+		vbus-supply = <&vbus_supply_regulator_0>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				hd3ss3220_in_ep: endpoint {
+					remote-endpoint = <&usb0_con_ss_ep>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				hd3ss3220_out_ep: endpoint {
+					remote-endpoint = <&usb3_role_switch>;
+				};
+			};
+		};
+	};
+};
+
 &i2c18 {
 	status = "okay";
 
@@ -718,11 +802,24 @@ wake-pins {
 		};
 	};
 
+	qup_i2c11_default: qup-i2c11-state {
+		pins = "gpio48", "gpio49";
+		function = "qup1_se4";
+		drive-strength = <2>;
+		bias-pull-up;
+	};
+
 	sd_cd: sd-cd-state {
 		pins = "gpio36";
 		function = "gpio";
 		bias-pull-up;
 	};
+
+	usb_id: usb-id-state {
+		pins = "gpio50";
+		function = "gpio";
+		bias-pull-up;
+	};
 };
 
 &uart10 {
@@ -751,9 +848,32 @@ &ufs_mem_phy {
 };
 
 &usb_0 {
-	dr_mode = "peripheral";
+	dr_mode = "otg";
+	usb-role-switch;
 
 	status = "okay";
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port@0 {
+			reg = <0>;
+
+			usb3_hs_ep: endpoint {
+				remote-endpoint = <&usb0_con_hs_ep>;
+			};
+		};
+
+		port@1 {
+			reg = <1>;
+
+			usb3_role_switch: endpoint {
+				remote-endpoint = <&hd3ss3220_out_ep>;
+			};
+		};
+
+	};
 };
 
 &usb_0_hsphy {
-- 
2.34.1