XUANTIE: riscv: dts: thead: Enable Lichee Pi 4A USB

From: 9f2a969

Signed-off-by: Jisheng Zhang <[email protected]>
[esmil: fix gpio references]
Signed-off-by: Emil Renner Berthing <[email protected]>
[ Han Gao: remove audio_i2c ]
Signed-off-by: Han Gao <[email protected]>

Author: xhackerustc

arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts

@@ -4,6 +4,7 @@
  */
 
 #include "th1520-lichee-module-4a.dtsi"
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	model = "Sipeed Lichee Pi 4A";
@@ -23,6 +24,11 @@
 		serial4 = &uart4;
 		serial5 = &uart5;
 		spi0 = &spi0;
+		i2c0 = &i2c0;
+		i2c1 = &i2c1;
+		i2c2 = &i2c2;
+		i2c3 = &i2c3;
+		i2c4 = &i2c4;
 	};
 
 	chosen {
@@ -49,6 +55,26 @@
 		cooling-levels = <0 66 196 255>;
 	};
 
+	hub_5v: regulator-hub_5v {
+		compatible = "regulator-fixed";
+		regulator-name = "HUB_5V";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&ioexp3 3 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		regulator-always-on;
+	};
+
+	vcc5v_usb: regulator-vcc5v_usb {
+		compatible = "regulator-fixed";
+		regulator-name = "VCC5V_USB";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&gpio1 22 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		regulator-always-on;
+	};
+
 	thermal-zones {
 		cpu-thermal {
 			polling-delay = <1000>;
@@ -95,6 +121,14 @@
 	};
 };
 
+&aogpio {
+	sel-usb-hub-hog {
+		gpio-hog;
+		gpios = <4 GPIO_ACTIVE_HIGH>;
+		output-high;
+	};
+};
+
 &i2c0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c0_pins>;
@@ -259,3 +293,28 @@
 	pinctrl-0 = <&uart0_pins>;
 	status = "okay";
 };
+
+&usb {
+	status = "okay";
+};
+
+&usb_dwc3 {
+	status = "okay";
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	hub_2_0: hub@1 {
+		compatible = "usb2109,2817";
+		reg = <1>;
+		peer-hub = <&hub_3_0>;
+		vdd-supply = <&hub_5v>;
+		vbus-supply = <&vcc5v_usb>;
+	};
+
+	hub_3_0: hub@2 {
+		compatible = "usb2109,817";
+		reg = <2>;
+		peer-hub = <&hub_2_0>;
+		vbus-supply = <&vcc5v_usb>;
+	};
+};