From: Gray Huang <gray.huang@wesion.com>
Date: Thu, 7 May 2026 03:35:40 +0000 (+0800)
Subject: arm64: dts: rockchip: Enable USB for Khadas Edge 2L
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=720fe68fd9f138ada2936ffcf3dd0129a889455a;p=thirdparty%2Flinux.git

arm64: dts: rockchip: Enable USB for Khadas Edge 2L

The Khadas Edge 2L board provides one USB 3.0 Host port and
one USB 2.0 port (connected via an internal hub). Enable the
corresponding DWC3 controllers and PHYs.

Signed-off-by: Gray Huang <gray.huang@wesion.com>
Link: https://patch.msgid.link/20260507033541.2576335-2-gray.huang@wesion.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---

diff --git a/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts b/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts
index e7fe22eb31a3c..967a95ce01ded 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts
@@ -30,6 +30,29 @@
 		};
 	};
 
+	vcc5v0_device: regulator-vcc5v0-device {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v0_device";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+
+	vcc5v0_host: regulator-vcc5v0-host {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio2 RK_PD3 GPIO_ACTIVE_HIGH>;
+		regulator-name = "vcc5v0_host";
+		regulator-boot-on;
+		regulator-always-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&usb_host_pwren>;
+		vin-supply = <&vcc5v0_device>;
+	};
+
 	vcc_sys: regulator-vcc5v0-sys {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc_sys";
@@ -78,6 +101,10 @@
 	status = "okay";
 };
 
+&combphy1_psu {
+	status = "okay";
+};
+
 &cpu_l0 {
 	cpu-supply = <&vdd_cpu_lit_s0>;
 };
@@ -531,6 +558,12 @@
 		};
 	};
 
+	usb {
+		usb_host_pwren: usb-host-pwren {
+			rockchip,pins = <2 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
 	wifi {
 		wifi_reg_on: wifi-reg-on {
 			rockchip,pins = <4 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>;
@@ -552,10 +585,24 @@
 	status = "okay";
 };
 
+&u2phy1 {
+	status = "okay";
+};
+
+&u2phy1_otg {
+	phy-supply = <&vcc5v0_host>;
+	status = "okay";
+};
+
 &uart0 {
 	status = "okay";
 };
 
+&usb_drd1_dwc3 {
+	dr_mode = "host";
+	status = "okay";
+};
+
 &vop {
 	status = "okay";
 };