diff --git a/arch/arm/dts/uniphier-ph1-pro4.dtsi b/arch/arm/dts/uniphier-ph1-pro4.dtsi
index 1247779..8195266 100644
--- a/arch/arm/dts/uniphier-ph1-pro4.dtsi
+++ b/arch/arm/dts/uniphier-ph1-pro4.dtsi
@@ -2,7 +2,8 @@
  * Device Tree Source for UniPhier PH1-Pro4 SoC
  *
  * Copyright (C) 2014-2015 Panasonic Corporation
- *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ * Copyright (C) 2015      Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
@@ -10,7 +11,7 @@
 /include/ "skeleton.dtsi"
 
 / {
-	compatible = "panasonic,ph1-pro4";
+	compatible = "socionext,ph1-pro4";
 
 	cpus {
 		#address-cells = <1>;
@@ -36,35 +37,35 @@
 		ranges;
 
 		uart0: serial@54006800 {
-			compatible = "panasonic,uniphier-uart";
+			compatible = "socionext,uniphier-uart";
 			status = "disabled";
 			reg = <0x54006800 0x20>;
 			clock-frequency = <73728000>;
 		};
 
 		uart1: serial@54006900 {
-			compatible = "panasonic,uniphier-uart";
+			compatible = "socionext,uniphier-uart";
 			status = "disabled";
 			reg = <0x54006900 0x20>;
 			clock-frequency = <73728000>;
 		};
 
 		uart2: serial@54006a00 {
-			compatible = "panasonic,uniphier-uart";
+			compatible = "socionext,uniphier-uart";
 			status = "disabled";
 			reg = <0x54006a00 0x20>;
 			clock-frequency = <73728000>;
 		};
 
 		uart3: serial@54006b00 {
-			compatible = "panasonic,uniphier-uart";
+			compatible = "socionext,uniphier-uart";
 			status = "disabled";
 			reg = <0x54006b00 0x20>;
 			clock-frequency = <73728000>;
 		};
 
 		i2c0: i2c@58780000 {
-			compatible = "panasonic,uniphier-fi2c";
+			compatible = "socionext,uniphier-fi2c";
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0x58780000 0x80>;
@@ -73,7 +74,7 @@
 		};
 
 		i2c1: i2c@58781000 {
-			compatible = "panasonic,uniphier-fi2c";
+			compatible = "socionext,uniphier-fi2c";
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0x58781000 0x80>;
@@ -82,7 +83,7 @@
 		};
 
 		i2c2: i2c@58782000 {
-			compatible = "panasonic,uniphier-fi2c";
+			compatible = "socionext,uniphier-fi2c";
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0x58782000 0x80>;
@@ -91,7 +92,7 @@
 		};
 
 		i2c3: i2c@58783000 {
-			compatible = "panasonic,uniphier-fi2c";
+			compatible = "socionext,uniphier-fi2c";
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0x58783000 0x80>;
@@ -102,7 +103,7 @@
 		/* i2c4 does not exist */
 
 		i2c5: i2c@58785000 {
-			compatible = "panasonic,uniphier-fi2c";
+			compatible = "socionext,uniphier-fi2c";
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0x58785000 0x80>;
@@ -111,7 +112,7 @@
 		};
 
 		i2c6: i2c@58786000 {
-			compatible = "panasonic,uniphier-fi2c";
+			compatible = "socionext,uniphier-fi2c";
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0x58786000 0x80>;
@@ -120,25 +121,25 @@
 		};
 
 		usb2: usb@5a800100 {
-			compatible = "panasonic,uniphier-ehci", "generic-ehci";
+			compatible = "socionext,uniphier-ehci", "generic-ehci";
 			status = "disabled";
 			reg = <0x5a800100 0x100>;
 		};
 
 		usb3: usb@5a810100 {
-			compatible = "panasonic,uniphier-ehci", "generic-ehci";
+			compatible = "socionext,uniphier-ehci", "generic-ehci";
 			status = "disabled";
 			reg = <0x5a810100 0x100>;
 		};
 
 		usb0: usb@65a00000 {
-			compatible = "panasonic,uniphier-xhci", "generic-xhci";
+			compatible = "socionext,uniphier-xhci", "generic-xhci";
 			status = "disabled";
 			reg = <0x65a00000 0x100>;
 		};
 
 		usb1: usb@65c00000 {
-			compatible = "panasonic,uniphier-xhci", "generic-xhci";
+			compatible = "socionext,uniphier-xhci", "generic-xhci";
 			status = "disabled";
 			reg = <0x65c00000 0x100>;
 		};