diff --git a/include/dt-bindings/clock/r7s72100-clock.h b/include/dt-bindings/clock/r7s72100-clock.h
index 0dcb3e8..a267ac2 100644
--- a/include/dt-bindings/clock/r7s72100-clock.h
+++ b/include/dt-bindings/clock/r7s72100-clock.h
@@ -1,10 +1,7 @@
-/*
+/* SPDX-License-Identifier: GPL-2.0
+ *
  * Copyright (C) 2014 Renesas Solutions Corp.
  * Copyright (C) 2014 Wolfram Sang, Sang Engineering <wsa@sang-engineering.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
  */
 
 #ifndef __DT_BINDINGS_CLOCK_R7S72100_H__
diff --git a/include/dt-bindings/clock/r8a7743-cpg-mssr.h b/include/dt-bindings/clock/r8a7743-cpg-mssr.h
index e1d1f3c..3ba9360 100644
--- a/include/dt-bindings/clock/r8a7743-cpg-mssr.h
+++ b/include/dt-bindings/clock/r8a7743-cpg-mssr.h
@@ -1,10 +1,6 @@
-/*
- * Copyright (C) 2016 Cogent Embedded Inc.
+/* SPDX-License-Identifier: GPL-2.0+
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * Copyright (C) 2016 Cogent Embedded Inc.
  */
 #ifndef __DT_BINDINGS_CLOCK_R8A7743_CPG_MSSR_H__
 #define __DT_BINDINGS_CLOCK_R8A7743_CPG_MSSR_H__
diff --git a/include/dt-bindings/clock/r8a7745-cpg-mssr.h b/include/dt-bindings/clock/r8a7745-cpg-mssr.h
index 56ad6f0..f81066c 100644
--- a/include/dt-bindings/clock/r8a7745-cpg-mssr.h
+++ b/include/dt-bindings/clock/r8a7745-cpg-mssr.h
@@ -1,10 +1,6 @@
-/*
- * Copyright (C) 2016 Cogent Embedded Inc.
+/* SPDX-License-Identifier: GPL-2.0+
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * Copyright (C) 2016 Cogent Embedded Inc.
  */
 #ifndef __DT_BINDINGS_CLOCK_R8A7745_CPG_MSSR_H__
 #define __DT_BINDINGS_CLOCK_R8A7745_CPG_MSSR_H__
diff --git a/include/dt-bindings/clock/r8a7790-cpg-mssr.h b/include/dt-bindings/clock/r8a7790-cpg-mssr.h
index 1625b8b..c5955b56 100644
--- a/include/dt-bindings/clock/r8a7790-cpg-mssr.h
+++ b/include/dt-bindings/clock/r8a7790-cpg-mssr.h
@@ -1,10 +1,6 @@
-/*
- * Copyright (C) 2015 Renesas Electronics Corp.
+/* SPDX-License-Identifier: GPL-2.0+
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * Copyright (C) 2015 Renesas Electronics Corp.
  */
 
 #ifndef __DT_BINDINGS_CLOCK_R8A7790_CPG_MSSR_H__
diff --git a/include/dt-bindings/clock/r8a7791-cpg-mssr.h b/include/dt-bindings/clock/r8a7791-cpg-mssr.h
index e882341..aadd06c 100644
--- a/include/dt-bindings/clock/r8a7791-cpg-mssr.h
+++ b/include/dt-bindings/clock/r8a7791-cpg-mssr.h
@@ -1,10 +1,6 @@
-/*
- * Copyright (C) 2015 Renesas Electronics Corp.
+/* SPDX-License-Identifier: GPL-2.0+
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * Copyright (C) 2015 Renesas Electronics Corp.
  */
 
 #ifndef __DT_BINDINGS_CLOCK_R8A7791_CPG_MSSR_H__
diff --git a/include/dt-bindings/clock/r8a7792-cpg-mssr.h b/include/dt-bindings/clock/r8a7792-cpg-mssr.h
index 72ce85c..829c44d 100644
--- a/include/dt-bindings/clock/r8a7792-cpg-mssr.h
+++ b/include/dt-bindings/clock/r8a7792-cpg-mssr.h
@@ -1,10 +1,6 @@
-/*
- * Copyright (C) 2015 Renesas Electronics Corp.
+/* SPDX-License-Identifier: GPL-2.0+
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * Copyright (C) 2015 Renesas Electronics Corp.
  */
 
 #ifndef __DT_BINDINGS_CLOCK_R8A7792_CPG_MSSR_H__
diff --git a/include/dt-bindings/clock/r8a7793-clock.h b/include/dt-bindings/clock/r8a7793-clock.h
index 7318d45..49c66d8 100644
--- a/include/dt-bindings/clock/r8a7793-clock.h
+++ b/include/dt-bindings/clock/r8a7793-clock.h
@@ -1,16 +1,8 @@
-/*
+/* SPDX-License-Identifier: GPL-2.0
+ *
  * r8a7793 clock definition
  *
  * Copyright (C) 2014  Renesas Electronics Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 
 #ifndef __DT_BINDINGS_CLOCK_R8A7793_H__
diff --git a/include/dt-bindings/clock/r8a7793-cpg-mssr.h b/include/dt-bindings/clock/r8a7793-cpg-mssr.h
index 8809b0f..d1ff646 100644
--- a/include/dt-bindings/clock/r8a7793-cpg-mssr.h
+++ b/include/dt-bindings/clock/r8a7793-cpg-mssr.h
@@ -1,10 +1,6 @@
-/*
- * Copyright (C) 2015 Renesas Electronics Corp.
+/* SPDX-License-Identifier: GPL-2.0+
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * Copyright (C) 2015 Renesas Electronics Corp.
  */
 
 #ifndef __DT_BINDINGS_CLOCK_R8A7793_CPG_MSSR_H__
diff --git a/include/dt-bindings/clock/r8a7794-clock.h b/include/dt-bindings/clock/r8a7794-clock.h
index 93e99c3..649f005 100644
--- a/include/dt-bindings/clock/r8a7794-clock.h
+++ b/include/dt-bindings/clock/r8a7794-clock.h
@@ -1,11 +1,7 @@
-/*
+/* SPDX-License-Identifier: GPL-2.0+
+ *
  * Copyright (C) 2014 Renesas Electronics Corporation
  * Copyright 2013 Ideas On Board SPRL
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 #ifndef __DT_BINDINGS_CLOCK_R8A7794_H__
diff --git a/include/dt-bindings/clock/r8a7794-cpg-mssr.h b/include/dt-bindings/clock/r8a7794-cpg-mssr.h
index 9d72031..6314e23 100644
--- a/include/dt-bindings/clock/r8a7794-cpg-mssr.h
+++ b/include/dt-bindings/clock/r8a7794-cpg-mssr.h
@@ -1,10 +1,6 @@
-/*
- * Copyright (C) 2015 Renesas Electronics Corp.
+/* SPDX-License-Identifier: GPL-2.0+
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * Copyright (C) 2015 Renesas Electronics Corp.
  */
 
 #ifndef __DT_BINDINGS_CLOCK_R8A7794_CPG_MSSR_H__
diff --git a/include/dt-bindings/clock/r8a7795-cpg-mssr.h b/include/dt-bindings/clock/r8a7795-cpg-mssr.h
index f047eaf..9483896 100644
--- a/include/dt-bindings/clock/r8a7795-cpg-mssr.h
+++ b/include/dt-bindings/clock/r8a7795-cpg-mssr.h
@@ -1,10 +1,6 @@
-/*
- * Copyright (C) 2015 Renesas Electronics Corp.
+/* SPDX-License-Identifier: GPL-2.0+
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * Copyright (C) 2015 Renesas Electronics Corp.
  */
 #ifndef __DT_BINDINGS_CLOCK_R8A7795_CPG_MSSR_H__
 #define __DT_BINDINGS_CLOCK_R8A7795_CPG_MSSR_H__
diff --git a/include/dt-bindings/clock/r8a7796-cpg-mssr.h b/include/dt-bindings/clock/r8a7796-cpg-mssr.h
index 1e59426..e6087f2 100644
--- a/include/dt-bindings/clock/r8a7796-cpg-mssr.h
+++ b/include/dt-bindings/clock/r8a7796-cpg-mssr.h
@@ -1,10 +1,6 @@
-/*
- * Copyright (C) 2016 Renesas Electronics Corp.
+/* SPDX-License-Identifier: GPL-2.0+
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * Copyright (C) 2016 Renesas Electronics Corp.
  */
 #ifndef __DT_BINDINGS_CLOCK_R8A7796_CPG_MSSR_H__
 #define __DT_BINDINGS_CLOCK_R8A7796_CPG_MSSR_H__
diff --git a/include/dt-bindings/clock/r8a77970-cpg-mssr.h b/include/dt-bindings/clock/r8a77970-cpg-mssr.h
index 4146395..6145ebe 100644
--- a/include/dt-bindings/clock/r8a77970-cpg-mssr.h
+++ b/include/dt-bindings/clock/r8a77970-cpg-mssr.h
@@ -1,11 +1,7 @@
-/*
+/* SPDX-License-Identifier: GPL-2.0+
+ *
  * Copyright (C) 2016 Renesas Electronics Corp.
  * Copyright (C) 2017 Cogent Embedded, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 #ifndef __DT_BINDINGS_CLOCK_R8A77970_CPG_MSSR_H__
 #define __DT_BINDINGS_CLOCK_R8A77970_CPG_MSSR_H__
diff --git a/include/dt-bindings/clock/r8a77995-cpg-mssr.h b/include/dt-bindings/clock/r8a77995-cpg-mssr.h
index 4e8ae3d..1eb11ac 100644
--- a/include/dt-bindings/clock/r8a77995-cpg-mssr.h
+++ b/include/dt-bindings/clock/r8a77995-cpg-mssr.h
@@ -1,10 +1,6 @@
-/*
- * Copyright (C) 2017 Glider bvba
+/* SPDX-License-Identifier: GPL-2.0+
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * Copyright (C) 2017 Glider bvba
  */
 #ifndef __DT_BINDINGS_CLOCK_R8A77995_CPG_MSSR_H__
 #define __DT_BINDINGS_CLOCK_R8A77995_CPG_MSSR_H__
diff --git a/include/dt-bindings/clock/renesas-cpg-mssr.h b/include/dt-bindings/clock/renesas-cpg-mssr.h
index 569a3cc..8169ad0 100644
--- a/include/dt-bindings/clock/renesas-cpg-mssr.h
+++ b/include/dt-bindings/clock/renesas-cpg-mssr.h
@@ -1,10 +1,6 @@
-/*
- * Copyright (C) 2015 Renesas Electronics Corp.
+/* SPDX-License-Identifier: GPL-2.0+
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * Copyright (C) 2015 Renesas Electronics Corp.
  */
 #ifndef __DT_BINDINGS_CLOCK_RENESAS_CPG_MSSR_H__
 #define __DT_BINDINGS_CLOCK_RENESAS_CPG_MSSR_H__
