ARM: dts: uniphier: sync DT with latest Linux

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/dts/uniphier-ld20-ref.dts b/arch/arm/dts/uniphier-ld20-ref.dts
new file mode 100644
index 0000000..044e000
--- /dev/null
+++ b/arch/arm/dts/uniphier-ld20-ref.dts
@@ -0,0 +1,65 @@
+/*
+ * Device Tree Source for UniPhier LD20 Reference Board
+ *
+ * Copyright (C) 2015-2016 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+	X11
+ */
+
+/dts-v1/;
+/include/ "uniphier-ld20.dtsi"
+/include/ "uniphier-ref-daughter.dtsi"
+/include/ "uniphier-support-card.dtsi"
+
+/ {
+	model = "UniPhier LD20 Reference Board";
+	compatible = "socionext,uniphier-ld20-ref", "socionext,uniphier-ld20";
+
+	aliases {
+		serial0 = &serial0;
+		serial1 = &serial1;
+		serial2 = &serial2;
+		serial3 = &serial3;
+		i2c0 = &i2c0;
+		i2c1 = &i2c1;
+		i2c2 = &i2c2;
+		i2c3 = &i2c3;
+		i2c4 = &i2c4;
+		i2c5 = &i2c5;
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0 0x80000000 0 0xc0000000>;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&ethsc {
+	interrupts = <0 48 4>;
+};
+
+&serial0 {
+	status = "okay";
+};
+
+&i2c0 {
+	status = "okay";
+};
+
+/* for U-Boot only */
+&serial0 {
+	u-boot,dm-pre-reloc;
+};
+
+&pinctrl_uart0 {
+	u-boot,dm-pre-reloc;
+};
+
+&pinctrl_system_bus {
+	u-boot,dm-pre-reloc;
+};