[PATCH 5/6] arm64: dts: rockchip: Enable USB for Khadas Edge 2L

[Gray Huang]

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@xxxxxxxxxx>
---
 .../dts/rockchip/rk3576-khadas-edge-2l.dts    | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)

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 003342fd69a7..8ecd00f6645d 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 @@ hdmi_con_in: endpoint {
 		};
 	};
 
+	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";
+		regulator-name = "vcc5v0_host";
+		regulator-boot-on;
+		regulator-always-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		enable-active-high;
+		gpio = <&gpio2 RK_PD3 GPIO_ACTIVE_HIGH>;
+		vin-supply = <&vcc5v0_device>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&usb_host_pwren>;
+	};
+
 	vcc_sys: regulator-vcc5v0-sys {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc_sys";
@@ -531,6 +554,12 @@ pcie0_rst: pcie0-rst {
 		};
 	};
 
+	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>;
@@ -542,6 +571,24 @@ wifi_wake_host: wifi-wake-host {
 	};
 };
 
+&usb_drd1_dwc3 {
+	dr_mode = "host";
+	status = "okay";
+};
+
+&u2phy1 {
+	status = "okay";
+};
+
+&u2phy1_otg {
+	phy-supply = <&vcc5v0_host>;
+	status = "okay";
+};
+
+&combphy1_psu {
+	status = "okay";
+};
+
 &sdhci {
 	bus-width = <8>;
 	no-sdio;
-- 
2.34.1