ARM: zynq: Extend microzed board support

Add missing DT nodes and enable USB.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Nathan Rossi <nathan@nathanrossi.com>

arch/arm/dts/zynq-microzed.dts

 /*
  * Xilinx MicroZED board DTS
  *
- * Copyright (C) 2013 Xilinx, Inc.
+ * Copyright (C) 2013 - 2016 Xilinx, Inc.
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
@@ -15,12 +15,27 @@
 	aliases {
 		serial0 = &uart1;
 		spi0 = &qspi;
+		mmc0 = &sdhci0;
 	};
 
 	memory {
 		device_type = "memory";
 		reg = <0 0x40000000>;
 	};
+
+	chosen {
+		bootargs = "earlyprintk";
+		stdout-path = "serial0:115200n8";
+	};
+
+	usb_phy0: phy0 {
+		compatible = "usb-nop-xceiv";
+		#phy-cells = <0>;
+	};
+};
+
+&clkc {
+	ps-clk-frequency = <33333333>;
 };
 
 &qspi {
@@ -32,3 +47,24 @@
 	u-boot,dm-pre-reloc;
 	status = "okay";
 };
+
+&gem0 {
+	status = "okay";
+	phy-mode = "rgmii-id";
+	phy-handle = <&ethernet_phy>;
+
+	ethernet_phy: ethernet-phy@0 {
+		reg = <0>;
+	};
+};
+
+&sdhci0 {
+	u-boot,dm-pre-reloc;
+	status = "okay";
+};
+
+&usb0 {
+	status = "okay";
+	dr_mode = "host";
+	usb-phy = <&usb_phy0>;
+};

configs/zynq_microzed_defconfig

@@ -21,3 +21,7 @@ CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_ZYNQ_GEM=y
 CONFIG_ZYNQ_QSPI=y
+CONFIG_USB=y
+CONFIG_USB_ULPI_VIEWPORT=y
+CONFIG_USB_ULPI=y
+CONFIG_USB_GADGET=y

include/configs/zynq_microzed.h

@@ -12,6 +12,8 @@
 
 #define CONFIG_SYS_NO_FLASH
 
+#define CONFIG_ZYNQ_USB
+
 #include <configs/zynq-common.h>
 
 #endif /* __CONFIG_ZYNQ_MICROZED_H */