arm: zynq: Add support for Xilinx zc770 xm010 dc1 board

zc770 is based board which is extended by FMC/DC cards for SoC
validation. FMCs/DCs are supposed to cover all SoC configurations.
FMC/DC contains ethernet port, can, i2c, sd, qspi, spi, uart and usb.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/arm/xilinx.txt

@@ -11,6 +11,9 @@ Additional compatible strings:
 - Xilinx internal board cc108
   "xlnx,zynq-cc108"
 
+- Xilinx internal board zc770 with different FMC cards
+  "xlnx,zynq-zc770-xm010"
+
 ---------------------------------------------------------------
 
 Xilinx Zynq UltraScale+ MPSoC Platforms Device Tree Bindings

arch/arm/boot/dts/Makefile

@@ -1067,6 +1067,7 @@ dtb-$(CONFIG_ARCH_ZYNQ) += \
 	zynq-parallella.dtb \
 	zynq-zc702.dtb \
 	zynq-zc706.dtb \
+	zynq-zc770-xm010.dtb \
 	zynq-zed.dtb \
 	zynq-zybo.dtb
 dtb-$(CONFIG_MACH_ARMADA_370) += \

arch/arm/boot/dts/zynq-zc770-xm010.dts

+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Xilinx ZC770 XM010 board DTS
+ *
+ * Copyright (C) 2013-2018 Xilinx, Inc.
+ */
+/dts-v1/;
+#include "zynq-7000.dtsi"
+
+/ {
+	compatible = "xlnx,zynq-zc770-xm010", "xlnx,zynq-7000";
+	model = "Xilinx Zynq";
+
+	aliases {
+		ethernet0 = &gem0;
+		i2c0 = &i2c0;
+		serial0 = &uart1;
+		spi1 = &spi1;
+	};
+
+	chosen {
+		bootargs = "";
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x40000000>;
+	};
+
+	usb_phy0: phy0 {
+		compatible = "usb-nop-xceiv";
+		#phy-cells = <0>;
+	};
+};
+
+&can0 {
+	status = "okay";
+};
+
+&gem0 {
+	status = "okay";
+	phy-mode = "rgmii-id";
+	phy-handle = <&ethernet_phy>;
+
+	ethernet_phy: ethernet-phy@7 {
+		reg = <7>;
+		device_type = "ethernet-phy";
+	};
+};
+
+&i2c0 {
+	status = "okay";
+	clock-frequency = <400000>;
+
+	eeprom: eeprom@52 {
+		compatible = "atmel,24c02";
+		reg = <0x52>;
+	};
+
+};
+
+&sdhci0 {
+	status = "okay";
+};
+
+&spi1 {
+	status = "okay";
+	num-cs = <4>;
+	is-decoded-cs = <0>;
+	flash@0 {
+		compatible = "sst25wf080", "jedec,spi-nor";
+		reg = <1>;
+		spi-max-frequency = <1000000>;
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			partition@0 {
+				label = "data";
+				reg = <0x0 0x100000>;
+			};
+		};
+	};
+};
+
+&uart1 {
+	status = "okay";
+};
+
+&usb0 {
+	status = "okay";
+	dr_mode = "host";
+	usb-phy = <&usb_phy0>;
+};