diff --git a/arch/arm/dts/uniphier-ph1-ld4-ref.dts b/arch/arm/dts/uniphier-ph1-ld4-ref.dts
index 6855878..d479be1 100644
--- a/arch/arm/dts/uniphier-ph1-ld4-ref.dts
+++ b/arch/arm/dts/uniphier-ph1-ld4-ref.dts
@@ -1,7 +1,7 @@
 /*
  * Device Tree Source for UniPhier PH1-LD4 Reference Board
  *
- * Copyright (C) 2014 Panasonic Corporation
+ * Copyright (C) 2014-2015 Panasonic Corporation
  *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
@@ -9,6 +9,7 @@
 
 /dts-v1/;
 /include/ "uniphier-ph1-ld4.dtsi"
+/include/ "uniphier-ref-daughter.dtsi"
 
 / {
 	model = "Panasonic UniPhier PH1-LD4 Reference Board";
@@ -46,10 +47,6 @@
 
 &i2c0 {
 	status = "okay";
-	eeprom {
-		compatible = "i2c-eeprom";
-		reg = <0x50>;
-	};
 };
 
 &usb0 {
diff --git a/arch/arm/dts/uniphier-ph1-pro4-ref.dts b/arch/arm/dts/uniphier-ph1-pro4-ref.dts
index 1227b62..d9e7a8c 100644
--- a/arch/arm/dts/uniphier-ph1-pro4-ref.dts
+++ b/arch/arm/dts/uniphier-ph1-pro4-ref.dts
@@ -1,7 +1,7 @@
 /*
  * Device Tree Source for UniPhier PH1-Pro4 Reference Board
  *
- * Copyright (C) 2014 Panasonic Corporation
+ * Copyright (C) 2014-2015 Panasonic Corporation
  *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
@@ -9,6 +9,7 @@
 
 /dts-v1/;
 /include/ "uniphier-ph1-pro4.dtsi"
+/include/ "uniphier-ref-daughter.dtsi"
 
 / {
 	model = "Panasonic UniPhier PH1-Pro4 Reference Board";
@@ -48,10 +49,6 @@
 
 &i2c0 {
 	status = "okay";
-	eeprom {
-		compatible = "i2c-eeprom";
-		reg = <0x50>;
-	};
 };
 
 &usb0 {
diff --git a/arch/arm/dts/uniphier-ph1-sld3-ref.dts b/arch/arm/dts/uniphier-ph1-sld3-ref.dts
index fefc592..8a7f90a 100644
--- a/arch/arm/dts/uniphier-ph1-sld3-ref.dts
+++ b/arch/arm/dts/uniphier-ph1-sld3-ref.dts
@@ -1,7 +1,7 @@
 /*
  * Device Tree Source for UniPhier PH1-sLD3 Reference Board
  *
- * Copyright (C) 2014 Panasonic Corporation
+ * Copyright (C) 2014-2015 Panasonic Corporation
  *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
@@ -9,6 +9,7 @@
 
 /dts-v1/;
 /include/ "uniphier-ph1-sld3.dtsi"
+/include/ "uniphier-ref-daughter.dtsi"
 
 / {
 	model = "Panasonic UniPhier PH1-sLD3 Reference Board";
@@ -45,10 +46,6 @@
 
 &i2c0 {
 	status = "okay";
-	eeprom {
-		compatible = "i2c-eeprom";
-		reg = <0x50>;
-	};
 };
 
 &usb0 {
diff --git a/arch/arm/dts/uniphier-ph1-sld8-ref.dts b/arch/arm/dts/uniphier-ph1-sld8-ref.dts
index 9b6d95c..0cb9c47 100644
--- a/arch/arm/dts/uniphier-ph1-sld8-ref.dts
+++ b/arch/arm/dts/uniphier-ph1-sld8-ref.dts
@@ -1,7 +1,7 @@
 /*
  * Device Tree Source for UniPhier PH1-sLD8 Reference Board
  *
- * Copyright (C) 2014 Panasonic Corporation
+ * Copyright (C) 2014-2015 Panasonic Corporation
  *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
@@ -9,6 +9,7 @@
 
 /dts-v1/;
 /include/ "uniphier-ph1-sld8.dtsi"
+/include/ "uniphier-ref-daughter.dtsi"
 
 / {
 	model = "Panasonic UniPhier PH1-sLD8 Reference Board";
@@ -46,10 +47,6 @@
 
 &i2c0 {
 	status = "okay";
-	eeprom {
-		compatible = "i2c-eeprom";
-		reg = <0x50>;
-	};
 };
 
 &usb0 {
diff --git a/arch/arm/dts/uniphier-ref-daughter.dtsi b/arch/arm/dts/uniphier-ref-daughter.dtsi
new file mode 100644
index 0000000..33dc205
--- /dev/null
+++ b/arch/arm/dts/uniphier-ref-daughter.dtsi
@@ -0,0 +1,15 @@
+/*
+ * Device Tree Source for UniPhier Reference Daughter Board
+ *
+ * Copyright (C) 2014-2015 Panasonic Corporation
+ *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+&i2c0 {
+	eeprom {
+		compatible = "i2c-eeprom";
+		reg = <0x50>;
+	};
+};