diff --git a/arch/powerpc/dts/km8309-uboot.dtsi b/arch/powerpc/dts/km8309-uboot.dtsi
index c44ce7d..a93bdb2 100644
--- a/arch/powerpc/dts/km8309-uboot.dtsi
+++ b/arch/powerpc/dts/km8309-uboot.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * ABB PGGA 8309 U-Boot specific Device Tree Source parts
+ * Hitachi Power Grids 8309 U-Boot specific Device Tree Source parts
  *
  * Copyright (C) 2020 Heiko Schocher <hs@denx.de>
  *
diff --git a/arch/powerpc/dts/km8321-uboot.dtsi b/arch/powerpc/dts/km8321-uboot.dtsi
index 3488260..fd11fe6 100644
--- a/arch/powerpc/dts/km8321-uboot.dtsi
+++ b/arch/powerpc/dts/km8321-uboot.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * ABB PGGA 8321 U-Boot specific Device Tree Source parts
+ * Hitachi Power Grids 8321 U-Boot specific Device Tree Source parts
  *
  * Copyright (C) 2020 Heiko Schocher <hs@denx.de>
  *
diff --git a/arch/powerpc/dts/km8321.dtsi b/arch/powerpc/dts/km8321.dtsi
index e493613..6c36017 100644
--- a/arch/powerpc/dts/km8321.dtsi
+++ b/arch/powerpc/dts/km8321.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * ABB PGGA km8321 common ports Device Tree Source
+ * Hitachi Power Grids km8321 common ports Device Tree Source
  *
  * Copyright (C) 2020 Heiko Schocher <hs@denx.de>
  *
diff --git a/arch/powerpc/dts/km836x-uboot.dtsi b/arch/powerpc/dts/km836x-uboot.dtsi
index ac5339e..5c78529 100644
--- a/arch/powerpc/dts/km836x-uboot.dtsi
+++ b/arch/powerpc/dts/km836x-uboot.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * ABB PGGA km836x U-Boot specific Device Tree Source parts
+ * Hitachi Power Grids km836x U-Boot specific Device Tree Source parts
  *
  * Copyright (C) 2020 Heiko Schocher <hs@denx.de>
  *
diff --git a/arch/powerpc/dts/km836x.dtsi b/arch/powerpc/dts/km836x.dtsi
index a8c83fc..94b71cd 100644
--- a/arch/powerpc/dts/km836x.dtsi
+++ b/arch/powerpc/dts/km836x.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * ABB PGGA km836x common ports Device Tree Source
+ * Hitachi Power Grids km836x common ports Device Tree Source
  *
  * Copyright (C) 2020 Heiko Schocher <hs@denx.de>
  *
diff --git a/arch/powerpc/dts/kmcoge5ne-uboot.dtsi b/arch/powerpc/dts/kmcoge5ne-uboot.dtsi
index 6a5e74f..69392bb 100644
--- a/arch/powerpc/dts/kmcoge5ne-uboot.dtsi
+++ b/arch/powerpc/dts/kmcoge5ne-uboot.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * ABB PGGA kmcoge5ne U-Boot specific Device Tree Source parts
+ * Hitachi Power Grids kmcoge5ne U-Boot specific Device Tree Source parts
  *
  * Copyright (C) 2020 Heiko Schocher <hs@denx.de>
  *
diff --git a/arch/powerpc/dts/kmcoge5ne.dts b/arch/powerpc/dts/kmcoge5ne.dts
index 467e5bd..0dad793 100644
--- a/arch/powerpc/dts/kmcoge5ne.dts
+++ b/arch/powerpc/dts/kmcoge5ne.dts
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * ABB PGGA KMCOGE5ne Device Tree Source
+ * Hitachi Power Grids KMCOGE5ne Device Tree Source
  *
  * Copyright (C) 2020 Heiko Schocher <hs@denx.de>
  *
@@ -12,7 +12,7 @@
 
 / {
 	model = "kmcoge5ne";
-	compatible = "ABB,kmcoge5ne";
+	compatible = "hitachi,kmcoge5ne";
 
 	aliases {
 		ethernet0 = &enet_admin;
diff --git a/arch/powerpc/dts/kmeter1-uboot.dtsi b/arch/powerpc/dts/kmeter1-uboot.dtsi
index 898fa7d..5f63994 100644
--- a/arch/powerpc/dts/kmeter1-uboot.dtsi
+++ b/arch/powerpc/dts/kmeter1-uboot.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * ABB PGGA kmeter1 U-Boot specific Device Tree Source parts
+ * Hitachi Power Grids kmeter1 U-Boot specific Device Tree Source parts
  *
  * Copyright (C) 2020 Heiko Schocher <hs@denx.de>
  *
diff --git a/arch/powerpc/dts/kmeter1.dts b/arch/powerpc/dts/kmeter1.dts
index f1f7995..a62ee18 100644
--- a/arch/powerpc/dts/kmeter1.dts
+++ b/arch/powerpc/dts/kmeter1.dts
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * ABB PGGA KMETER1 Device Tree Source
+ * Hitachi Power Grids KMETER1 Device Tree Source
  *
  * 2008-2011 DENX Software Engineering GmbH
  * Copyright (C) 2020 Heiko Schocher <hs@denx.de>
@@ -12,7 +12,7 @@
 
 / {
 	model = "KMETER1";
-	compatible = "ABB,KMETER1";
+	compatible = "keymile,KMETER1";
 
 	aliases {
 		ethernet0 = &enet_piggy2;
diff --git a/arch/powerpc/dts/kmopti2.dts b/arch/powerpc/dts/kmopti2.dts
index 23e3187..b2d9f0f 100644
--- a/arch/powerpc/dts/kmopti2.dts
+++ b/arch/powerpc/dts/kmopti2.dts
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * ABB PGGA OPTI2 Device Tree Source
+ * Hitachi Power Grids OPTI2 Device Tree Source
  *
  * Copyright (C) 2020 Heiko Schocher <hs@denx.de>
  *
@@ -12,7 +12,7 @@
 
 / {
 	model = "KMOPTI2";
-	compatible = "ABB,kmpbec8321";
+	compatible = "hitachi,kmpbec8321";
 	#address-cells = <1>;
 	#size-cells = <1>;
 
diff --git a/arch/powerpc/dts/kmsupc5.dts b/arch/powerpc/dts/kmsupc5.dts
index 60ca0d3..9736c18 100644
--- a/arch/powerpc/dts/kmsupc5.dts
+++ b/arch/powerpc/dts/kmsupc5.dts
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * ABB PGGA SUPC5 Device Tree Source
+ * Hitachi Power Grids SUPC5 Device Tree Source
  *
  * Copyright (C) 2020 Heiko Schocher <hs@denx.de>
  *
@@ -12,7 +12,7 @@
 
 / {
 	model = "SUPC5";
-	compatible = "ABB,kmpbec8321";
+	compatible = "hitachi,kmpbec8321";
 	#address-cells = <1>;
 	#size-cells = <1>;
 
diff --git a/arch/powerpc/dts/kmsupm5.dts b/arch/powerpc/dts/kmsupm5.dts
index 1cd11c3..0687b4d 100644
--- a/arch/powerpc/dts/kmsupm5.dts
+++ b/arch/powerpc/dts/kmsupm5.dts
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * ABB PGGA SUPM5 Device Tree Source
+ * Hitachi Power Grids SUPM5 Device Tree Source
  *
  * Copyright (C) 2020 Heiko Schocher <hs@denx.de>
  *
@@ -12,7 +12,7 @@
 
 / {
 	model = "SUPM5";
-	compatible = "ABB,kmpbec8321";
+	compatible = "hitachi,kmpbec8321";
 	#address-cells = <1>;
 	#size-cells = <1>;
 
diff --git a/arch/powerpc/dts/kmtegr1.dts b/arch/powerpc/dts/kmtegr1.dts
index c9b21cf..d40d971 100644
--- a/arch/powerpc/dts/kmtegr1.dts
+++ b/arch/powerpc/dts/kmtegr1.dts
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * ABB PGGA TEGR1 Device Tree Source
+ * Hitachi Power Grids TEGR1 Device Tree Source
  *
  * Copyright (C) 2020 Heiko Schocher <hs@denx.de>
  *
@@ -10,7 +10,7 @@
 
 / {
 	model = "KMTEGR1";
-	compatible = "ABB,kmpbec8309";
+	compatible = "hitachi,kmpbec8309";
 	#address-cells = <1>;
 	#size-cells = <1>;
 
diff --git a/arch/powerpc/dts/kmtepr2.dts b/arch/powerpc/dts/kmtepr2.dts
index 5a272ec..7cf6aef 100644
--- a/arch/powerpc/dts/kmtepr2.dts
+++ b/arch/powerpc/dts/kmtepr2.dts
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * ABB PGGA TEPR2 Device Tree Source
+ * Hitachi Power Grids TEPR2 Device Tree Source
  *
  * Copyright (C) 2020 Heiko Schocher <hs@denx.de>
  *
@@ -12,7 +12,7 @@
 
 / {
 	model = "KMTEPR2";
-	compatible = "ABB,kmpbec8321";
+	compatible = "hitachi,kmpbec8321";
 	#address-cells = <1>;
 	#size-cells = <1>;
 
diff --git a/arch/powerpc/dts/kmtuge1.dts b/arch/powerpc/dts/kmtuge1.dts
index 8a7b5a4..41bb362 100644
--- a/arch/powerpc/dts/kmtuge1.dts
+++ b/arch/powerpc/dts/kmtuge1.dts
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * ABB PGGA TUGE1 Device Tree Source
+ * Hitachi Power Grids TUGE1 Device Tree Source
  *
  * Copyright (C) 2020 Heiko Schocher <hs@denx.de>
  *
@@ -12,7 +12,7 @@
 
 / {
 	model = "TUGE1";
-	compatible = "ABB,kmpbec8321";
+	compatible = "hitachi,kmpbec8321";
 	#address-cells = <1>;
 	#size-cells = <1>;
 
diff --git a/arch/powerpc/dts/kmtuxa1.dts b/arch/powerpc/dts/kmtuxa1.dts
index c2681c5..8b06a18 100644
--- a/arch/powerpc/dts/kmtuxa1.dts
+++ b/arch/powerpc/dts/kmtuxa1.dts
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * ABB PGGA TUXA1 Device Tree Source
+ * Hitachi Power Grids TUXA1 Device Tree Source
  *
  * Copyright (C) 2020 Heiko Schocher <hs@denx.de>
  *
@@ -12,7 +12,7 @@
 
 / {
 	model = "TUXA1";
-	compatible = "ABB,kmpbec8321";
+	compatible = "hitachi,kmpbec8321";
 	#address-cells = <1>;
 	#size-cells = <1>;