ARM: zynq: DT: Add USB to device tree

Add USB nodes to zc702, zc706 and zed device trees.

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

arch/arm/boot/dts/zynq-7000.dtsi

@@ -314,6 +314,26 @@
 			clocks = <&clkc 4>;
 		};
 
+		usb0: usb@e0002000 {
+			compatible = "xlnx,zynq-usb-2.20a", "chipidea,usb2";
+			status = "disabled";
+			clocks = <&clkc 28>;
+			interrupt-parent = <&intc>;
+			interrupts = <0 21 4>;
+			reg = <0xe0002000 0x1000>;
+			phy_type = "ulpi";
+		};
+
+		usb1: usb@e0003000 {
+			compatible = "xlnx,zynq-usb-2.20a", "chipidea,usb2";
+			status = "disabled";
+			clocks = <&clkc 29>;
+			interrupt-parent = <&intc>;
+			interrupts = <0 44 4>;
+			reg = <0xe0003000 0x1000>;
+			phy_type = "ulpi";
+		};
+
 		watchdog0: watchdog@f8005000 {
 			clocks = <&clkc 45>;
 			compatible = "xlnx,zynq-wdt-r1p2";

arch/arm/boot/dts/zynq-zc702.dts

@@ -36,6 +36,11 @@
 			linux,default-trigger = "heartbeat";
 		};
 	};
+
+	usb_phy0: phy0 {
+		compatible = "usb-nop-xceiv";
+		#phy-cells = <0>;
+	};
 };
 
 &can0 {
@@ -139,3 +144,9 @@
 &uart1 {
 	status = "okay";
 };
+
+&usb0 {
+	status = "okay";
+	dr_mode = "host";
+	usb-phy = <&usb_phy0>;
+};

arch/arm/boot/dts/zynq-zc706.dts

@@ -27,6 +27,10 @@
 		bootargs = "console=ttyPS0,115200 earlyprintk";
 	};
 
+	usb_phy0: phy0 {
+		compatible = "usb-nop-xceiv";
+		#phy-cells = <0>;
+	};
 };
 
 &clkc {
@@ -118,3 +122,9 @@
 &uart1 {
 	status = "okay";
 };
+
+&usb0 {
+	status = "okay";
+	dr_mode = "host";
+	usb-phy = <&usb_phy0>;
+};

arch/arm/boot/dts/zynq-zed.dts

@@ -27,6 +27,10 @@
 		bootargs = "console=ttyPS0,115200 earlyprintk";
 	};
 
+	usb_phy0: phy0 {
+		compatible = "usb-nop-xceiv";
+		#phy-cells = <0>;
+	};
 };
 
 &clkc {
@@ -50,3 +54,9 @@
 &uart1 {
 	status = "okay";
 };
+
+&usb0 {
+	status = "okay";
+	dr_mode = "host";
+	usb-phy = <&usb_phy0>;
+};