ARM64: zynqmp: Add support for zc1751-dc4

zc1751-dc4 contains four GEMs.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index e76f56b..ed897cf 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -90,6 +90,7 @@
 	zynqmp-zcu102-revB.dtb			\
 	zynqmp-zc1751-xm015-dc1.dtb		\
 	zynqmp-zc1751-xm016-dc2.dtb		\
+	zynqmp-zc1751-xm018-dc4.dtb		\
 	zynqmp-zc1751-xm019-dc5.dtb
 dtb-$(CONFIG_AM33XX) += am335x-boneblack.dtb am335x-bone.dtb am335x-evm.dtb \
 	am335x-evmsk.dtb \
diff --git a/arch/arm/dts/zynqmp-zc1751-xm018-dc4.dts b/arch/arm/dts/zynqmp-zc1751-xm018-dc4.dts
new file mode 100644
index 0000000..03f1ad7
--- /dev/null
+++ b/arch/arm/dts/zynqmp-zc1751-xm018-dc4.dts
@@ -0,0 +1,212 @@
+/*
+ * dts file for Xilinx ZynqMP zc1751-xm018-dc4
+ *
+ * (C) Copyright 2015 - 2016, Xilinx, Inc.
+ *
+ * Michal Simek <michal.simek@xilinx.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+/dts-v1/;
+
+#include "zynqmp.dtsi"
+#include "zynqmp-clk.dtsi"
+
+/ {
+	model = "ZynqMP zc1751-xm018-dc4";
+	compatible = "xlnx,zynqmp-zc1751", "xlnx,zynqmp";
+
+	aliases {
+		can0 = &can0;
+		can1 = &can1;
+		ethernet0 = &gem0;
+		ethernet1 = &gem1;
+		ethernet2 = &gem2;
+		ethernet3 = &gem3;
+		gpio0 = &gpio;
+		i2c0 = &i2c0;
+		i2c1 = &i2c1;
+		rtc0 = &rtc;
+		serial0 = &uart0;
+		serial1 = &uart1;
+		spi0 = &qspi;
+	};
+
+	chosen {
+		bootargs = "earlycon";
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x0 0x0 0x0 0x80000000>, <0x8 0x00000000 0x0 0x80000000>;
+	};
+};
+
+&can0 {
+	status = "okay";
+};
+
+&can1 {
+	status = "okay";
+};
+
+/* fpd_dma clk 667MHz, lpd_dma 500MHz */
+&fpd_dma_chan1 {
+	status = "okay";
+	xlnx,include-sg; /* for testing purpose */
+	xlnx,overfetch; /* for testing purpose */
+	xlnx,ratectrl = <0>; /* for testing purpose */
+	xlnx,src-issue = <31>;
+};
+
+&fpd_dma_chan2 {
+	status = "okay";
+	xlnx,ratectrl = <100>; /* for testing purpose */
+	xlnx,src-issue = <4>; /* for testing purpose */
+};
+
+&fpd_dma_chan3 {
+	status = "okay";
+};
+
+&fpd_dma_chan4 {
+	status = "okay";
+	xlnx,include-sg; /* for testing purpose */
+};
+
+&fpd_dma_chan5 {
+	status = "okay";
+};
+
+&fpd_dma_chan6 {
+	status = "okay";
+	xlnx,include-sg; /* for testing purpose */
+};
+
+&fpd_dma_chan7 {
+	status = "okay";
+};
+
+&fpd_dma_chan8 {
+	status = "okay";
+	xlnx,include-sg; /* for testing purpose */
+};
+
+&lpd_dma_chan1 {
+	status = "okay";
+};
+
+&lpd_dma_chan2 {
+	status = "okay";
+};
+
+&lpd_dma_chan3 {
+	status = "okay";
+};
+
+&lpd_dma_chan4 {
+	status = "okay";
+};
+
+&lpd_dma_chan5 {
+	status = "okay";
+};
+
+&lpd_dma_chan6 {
+	status = "okay";
+};
+
+&lpd_dma_chan7 {
+	status = "okay";
+};
+
+&lpd_dma_chan8 {
+	status = "okay";
+};
+
+&xlnx_dp {
+	status = "okay";
+};
+
+&xlnx_dpdma {
+	status = "okay";
+};
+
+&gem0 {
+	status = "okay";
+	local-mac-address = [00 0a 35 00 02 90];
+	phy-mode = "rgmii-id";
+	phy-handle = <&ethernet_phy0>;
+	ethernet_phy0: ethernet-phy@0 { /* Marvell 88e1512 */
+		reg = <0>;
+	};
+	ethernet_phy7: ethernet-phy@7 { /* Vitesse VSC8211 */
+		reg = <7>;
+	};
+	ethernet_phy3: ethernet-phy@3 { /* Realtek RTL8211DN */
+		reg = <3>;
+	};
+	ethernet_phy8: ethernet-phy@8 { /* Vitesse VSC8211 */
+		reg = <8>;
+	};
+};
+
+&gem1 {
+	status = "okay";
+	local-mac-address = [00 0a 35 00 02 91];
+	phy-mode = "rgmii-id";
+	phy-handle = <&ethernet_phy7>;
+};
+
+&gem2 {
+	status = "okay";
+	local-mac-address = [00 0a 35 00 02 92];
+	phy-mode = "rgmii-id";
+	phy-handle = <&ethernet_phy3>;
+};
+
+&gem3 {
+	status = "okay";
+	local-mac-address = [00 0a 35 00 02 93];
+	phy-mode = "rgmii-id";
+	phy-handle = <&ethernet_phy8>;
+};
+
+&gpio {
+	status = "okay";
+};
+
+&gpu {
+	status = "okay";
+};
+
+&i2c0 {
+	clock-frequency = <400000>;
+	status = "okay";
+};
+
+&i2c1 {
+	clock-frequency = <400000>;
+	status = "okay";
+};
+
+&rtc {
+	status = "okay";
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&uart1 {
+	status = "okay";
+};
+
+&watchdog0 {
+	status = "okay";
+};