diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index e5846ea..01df9a9 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -32,6 +32,10 @@
 	tegra114-dalmore.dtb \
 	tegra124-jetson-tk1.dtb \
 	tegra124-venice2.dtb
+dtb-$(CONFIG_ARCH_UNIPHIER) += \
+	uniphier-ph1-pro4-ref.dtb \
+	uniphier-ph1-ld4-ref.dtb \
+	uniphier-ph1-sld8-ref.dtb
 dtb-$(CONFIG_ZYNQ) += zynq-zc702.dtb \
 	zynq-zc706.dtb \
 	zynq-zed.dtb \
diff --git a/arch/arm/dts/uniphier-ph1-ld4-ref.dts b/arch/arm/dts/uniphier-ph1-ld4-ref.dts
new file mode 100644
index 0000000..bc8ead4
--- /dev/null
+++ b/arch/arm/dts/uniphier-ph1-ld4-ref.dts
@@ -0,0 +1,25 @@
+/*
+ * Device Tree Source for UniPhier PH1-LD4 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-ld4.dtsi"
+
+/ {
+	model = "Panasonic UniPhier PH1-LD4 Reference Board";
+	compatible = "panasonic,ph1-ld4-ref", "panasonic,ph1-ld4";
+
+	memory {
+		device_type = "memory";
+		reg = <0x80000000 0x20000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttyPS0,115200 earlyprintk";
+	};
+};
diff --git a/arch/arm/dts/uniphier-ph1-ld4.dtsi b/arch/arm/dts/uniphier-ph1-ld4.dtsi
new file mode 100644
index 0000000..ee53d9c
--- /dev/null
+++ b/arch/arm/dts/uniphier-ph1-ld4.dtsi
@@ -0,0 +1,32 @@
+/*
+ * Device Tree Source for UniPhier PH1-LD4 SoC
+ *
+ * Copyright (C) 2014 Panasonic Corporation
+ *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+	compatible = "panasonic,ph1-ld4";
+
+	cpus {
+		#size-cells = <0>;
+		#address-cells = <1>;
+
+		cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a9";
+			reg = <0>;
+		};
+	};
+
+	soc {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+	};
+};
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";
+	};
+};
diff --git a/arch/arm/dts/uniphier-ph1-pro4.dtsi b/arch/arm/dts/uniphier-ph1-pro4.dtsi
new file mode 100644
index 0000000..7619c36
--- /dev/null
+++ b/arch/arm/dts/uniphier-ph1-pro4.dtsi
@@ -0,0 +1,38 @@
+/*
+ * Device Tree Source for UniPhier PH1-Pro4 SoC
+ *
+ * Copyright (C) 2014 Panasonic Corporation
+ *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+	compatible = "panasonic,ph1-pro4";
+
+	cpus {
+		#size-cells = <0>;
+		#address-cells = <1>;
+
+		cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a9";
+			reg = <0>;
+		};
+
+		cpu@1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a9";
+			reg = <1>;
+		};
+	};
+
+	soc {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+	};
+};
diff --git a/arch/arm/dts/uniphier-ph1-sld8-ref.dts b/arch/arm/dts/uniphier-ph1-sld8-ref.dts
new file mode 100644
index 0000000..e7969af
--- /dev/null
+++ b/arch/arm/dts/uniphier-ph1-sld8-ref.dts
@@ -0,0 +1,25 @@
+/*
+ * Device Tree Source for UniPhier PH1-sLD8 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-sld8.dtsi"
+
+/ {
+	model = "Panasonic UniPhier PH1-sLD8 Reference Board";
+	compatible = "panasonic,ph1-sld8-ref", "panasonic,ph1-sld8";
+
+	memory {
+		device_type = "memory";
+		reg = <0x80000000 0x20000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttyPS0,115200 earlyprintk";
+	};
+};
diff --git a/arch/arm/dts/uniphier-ph1-sld8.dtsi b/arch/arm/dts/uniphier-ph1-sld8.dtsi
new file mode 100644
index 0000000..2f895e9
--- /dev/null
+++ b/arch/arm/dts/uniphier-ph1-sld8.dtsi
@@ -0,0 +1,32 @@
+/*
+ * Device Tree Source for UniPhier PH1-sLD8 SoC
+ *
+ * Copyright (C) 2014 Panasonic Corporation
+ *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+	compatible = "panasonic,ph1-sld8";
+
+	cpus {
+		#size-cells = <0>;
+		#address-cells = <1>;
+
+		cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a9";
+			reg = <0>;
+		};
+	};
+
+	soc {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+	};
+};