ARM: tegra: Enable XUSB on Venice2

Add XUSB pad controller and XUSB controller device tree nodes and enable
them with a configuration for the Venice2 board.

Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm/boot/dts/tegra124-venice2.dts

@@ -753,7 +753,7 @@
 					regulator-always-on;
 				};
 
-				ldo0 {
+				avdd_1v05_run: ldo0 {
 					regulator-name = "+1.05V_RUN_AVDD";
 					regulator-min-microvolt = <1050000>;
 					regulator-max-microvolt = <1050000>;
@@ -895,6 +895,105 @@
 		status = "okay";
 	};
 
+	usb@0,70090000 {
+		phys = <&{/padctl@0,7009f000/pads/usb2/lanes/usb2-0}>, /* 1st USB A */
+		       <&{/padctl@0,7009f000/pads/usb2/lanes/usb2-1}>, /* Internal USB */
+		       <&{/padctl@0,7009f000/pads/usb2/lanes/usb2-2}>, /* 2nd USB A */
+		       <&{/padctl@0,7009f000/pads/pcie/lanes/pcie-0}>, /* 1st USB A */
+		       <&{/padctl@0,7009f000/pads/pcie/lanes/pcie-1}>; /* 2nd USB A */
+		phy-names = "usb2-0", "usb2-1", "usb2-2", "usb3-0", "usb3-1";
+
+		avddio-pex-supply = <&vdd_1v05_run>;
+		dvddio-pex-supply = <&vdd_1v05_run>;
+		avdd-usb-supply = <&vdd_3v3_lp0>;
+		avdd-pll-utmip-supply = <&vddio_1v8>;
+		avdd-pll-erefe-supply = <&avdd_1v05_run>;
+		avdd-usb-ss-pll-supply = <&vdd_1v05_run>;
+		hvdd-usb-ss-supply = <&vdd_3v3_lp0>;
+		hvdd-usb-ss-pll-e-supply = <&vdd_3v3_lp0>;
+
+		status = "okay";
+	};
+
+	padctl@0,7009f000 {
+		pads {
+			usb2 {
+				status = "okay";
+
+				lanes {
+					usb2-0 {
+						nvidia,function = "xusb";
+						status = "okay";
+					};
+
+					usb2-1 {
+						nvidia,function = "xusb";
+						status = "okay";
+					};
+
+					usb2-2 {
+						nvidia,function = "xusb";
+						status = "okay";
+					};
+				};
+			};
+
+			pcie {
+				status = "okay";
+
+				lanes {
+					pcie-0 {
+						nvidia,function = "usb3-ss";
+						status = "okay";
+					};
+
+					pcie-1 {
+						nvidia,function = "usb3-ss";
+						status = "okay";
+					};
+
+					pcie-1 {
+						nvidia,function = "usb3-ss";
+						status = "okay";
+					};
+				};
+			};
+		};
+
+		ports {
+			usb2-0 {
+				status = "okay";
+				mode = "otg";
+
+				vbus-supply = <&vdd_usb1_vbus>;
+			};
+
+			usb2-1 {
+				status = "okay";
+				mode = "host";
+
+				vbus-supply = <&vdd_run_cam>;
+			};
+
+			usb2-2 {
+				status = "okay";
+				mode = "host";
+
+				vbus-supply = <&vdd_usb3_vbus>;
+			};
+
+			usb3-0 {
+				nvidia,usb2-companion = <0>;
+				status = "okay";
+			};
+
+			usb3-1 {
+				nvidia,usb2-companion = <2>;
+				status = "okay";
+			};
+		};
+	};
+
 	sdhci@0,700b0400 {
 		cd-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_HIGH>;
 		power-gpios = <&gpio TEGRA_GPIO(R, 0) GPIO_ACTIVE_HIGH>;