arm: socfpga: add cyclone5 based de10-nano board

Add support for the Terasic DE10-Nano board.  The board
is based on the DE0-Nano-Soc board but adds a larger FPGA
and an HDMI output.

Signed-off-by: Dalon Westergreen <dwesterg@gmail.com>
Reviewed-by: Dinh Nguyen <dinguyen@kernel.org>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 53fc936..5656e0d 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -153,6 +153,7 @@
 	socfpga_cyclone5_socdk.dtb			\
 	socfpga_cyclone5_de0_nano_soc.dtb			\
 	socfpga_cyclone5_de1_soc.dtb			\
+	socfpga_cyclone5_de10_nano.dtb			\
 	socfpga_cyclone5_sockit.dtb			\
 	socfpga_cyclone5_socrates.dtb			\
 	socfpga_cyclone5_sr1500.dtb			\
diff --git a/arch/arm/dts/socfpga_cyclone5_de10_nano.dts b/arch/arm/dts/socfpga_cyclone5_de10_nano.dts
new file mode 100644
index 0000000..ee62a50
--- /dev/null
+++ b/arch/arm/dts/socfpga_cyclone5_de10_nano.dts
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2017, Intel Corporation
+ *
+ * based on socfpga_cyclone5_de0_nano_soc.dts
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include "socfpga_cyclone5.dtsi"
+
+/ {
+	model = "Terasic DE10-Nano";
+	compatible = "altr,socfpga-cyclone5", "altr,socfpga";
+
+	chosen {
+		bootargs = "console=ttyS0,115200";
+	};
+
+	aliases {
+		ethernet0 = &gmac1;
+		udc0 = &usb1;
+	};
+
+	memory {
+		name = "memory";
+		device_type = "memory";
+		reg = <0x0 0x40000000>; /* 1GB */
+	};
+
+	soc {
+		u-boot,dm-pre-reloc;
+	};
+};
+
+&gmac1 {
+	status = "okay";
+	phy-mode = "rgmii";
+
+	rxd0-skew-ps = <420>;
+	rxd1-skew-ps = <420>;
+	rxd2-skew-ps = <420>;
+	rxd3-skew-ps = <420>;
+	txen-skew-ps = <0>;
+	txc-skew-ps = <1860>;
+	rxdv-skew-ps = <420>;
+	rxc-skew-ps = <1680>;
+};
+
+&gpio0 {
+	status = "okay";
+};
+
+&gpio1 {
+	status = "okay";
+};
+
+&gpio2 {
+	status = "okay";
+};
+
+&mmc0 {
+	status = "okay";
+	u-boot,dm-pre-reloc;
+};
+
+&usb1 {
+	status = "okay";
+};