diff --git a/arch/arm/dts/uniphier-ph1-pro4-ref.dts b/arch/arm/dts/uniphier-ph1-pro4-ref.dts
new file mode 100644
index 0000000..03091a8
--- /dev/null
+++ b/arch/arm/dts/uniphier-ph1-pro4-ref.dts
@@ -0,0 +1,25 @@
+/*
+ * Device Tree Source for UniPhier PH1-Pro4 Reference Board
+ *
+ * Copyright (C) 2014 Panasonic Corporation
+ *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/dts-v1/;
+/include/ "uniphier-ph1-pro4.dtsi"
+
+/ {
+	model = "Panasonic UniPhier PH1-Pro4 Reference Board";
+	compatible = "panasonic,ph1-pro4-ref", "panasonic,ph1-pro4";
+
+	memory {
+		device_type = "memory";
+		reg = <0x80000000 0x40000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttyPS0,115200 earlyprintk";
+	};
+};