diff --git a/fdts/stm32mp15-ddr3-1x4Gb-1066-binG.dtsi b/fdts/stm32mp15-ddr3-1x4Gb-1066-binG.dtsi
index 6ca6293..c6d6434 100644
--- a/fdts/stm32mp15-ddr3-1x4Gb-1066-binG.dtsi
+++ b/fdts/stm32mp15-ddr3-1x4Gb-1066-binG.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
 /*
- * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
+ * Copyright (c) 2018-2021, STMicroelectronics - All Rights Reserved
  */
 
 /*
diff --git a/fdts/stm32mp15-ddr3-2x4Gb-1066-binG.dtsi b/fdts/stm32mp15-ddr3-2x4Gb-1066-binG.dtsi
index 548f69a..9614ab4 100644
--- a/fdts/stm32mp15-ddr3-2x4Gb-1066-binG.dtsi
+++ b/fdts/stm32mp15-ddr3-2x4Gb-1066-binG.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
 /*
- * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
+ * Copyright (c) 2018-2021, STMicroelectronics - All Rights Reserved
  */
 
 /*
diff --git a/fdts/stm32mp15-pinctrl.dtsi b/fdts/stm32mp15-pinctrl.dtsi
index e8e6b9f..d74dc2b 100644
--- a/fdts/stm32mp15-pinctrl.dtsi
+++ b/fdts/stm32mp15-pinctrl.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
 /*
- * Copyright (C) STMicroelectronics 2017 - All Rights Reserved
+ * Copyright (c) 2017-2021, STMicroelectronics - All Rights Reserved
  * Author: Ludovic Barre <ludovic.barre@st.com> for STMicroelectronics.
  */
 #include <dt-bindings/pinctrl/stm32-pinfunc.h>
diff --git a/fdts/stm32mp151.dtsi b/fdts/stm32mp151.dtsi
index 3beabbb..ca93f0c 100644
--- a/fdts/stm32mp151.dtsi
+++ b/fdts/stm32mp151.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
 /*
- * Copyright (C) STMicroelectronics 2017 - All Rights Reserved
+ * Copyright (c) 2017-2021, STMicroelectronics - All Rights Reserved
  * Author: Ludovic Barre <ludovic.barre@st.com> for STMicroelectronics.
  */
 #include <dt-bindings/interrupt-controller/arm-gic.h>
diff --git a/fdts/stm32mp157c-ed1.dts b/fdts/stm32mp157c-ed1.dts
index a09c66a..11e0a61 100644
--- a/fdts/stm32mp157c-ed1.dts
+++ b/fdts/stm32mp157c-ed1.dts
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
 /*
- * Copyright (C) STMicroelectronics 2017-2019 - All Rights Reserved
+ * Copyright (c) 2017-2021, STMicroelectronics - All Rights Reserved
  * Author: Ludovic Barre <ludovic.barre@st.com> for STMicroelectronics.
  */
 /dts-v1/;
diff --git a/fdts/stm32mp157c-ev1.dts b/fdts/stm32mp157c-ev1.dts
index 4937514..02840a2 100644
--- a/fdts/stm32mp157c-ev1.dts
+++ b/fdts/stm32mp157c-ev1.dts
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
 /*
- * Copyright (C) STMicroelectronics 2017-2019 - All Rights Reserved
+ * Copyright (c) 2017-2021, STMicroelectronics - All Rights Reserved
  * Author: Ludovic Barre <ludovic.barre@st.com> for STMicroelectronics.
  */
 /dts-v1/;
diff --git a/fdts/stm32mp157c-lxa-mc1.dts b/fdts/stm32mp157c-lxa-mc1.dts
index 31f1382..6f67712 100644
--- a/fdts/stm32mp157c-lxa-mc1.dts
+++ b/fdts/stm32mp157c-lxa-mc1.dts
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause) */
 /*
- * Copyright (C) 2020 STMicroelectronics - All Rights Reserved
+ * Copyright (c) 2020-2021, STMicroelectronics - All Rights Reserved
  * Copyright (C) 2020 Ahmad Fatoum, Pengutronix
  */
 
diff --git a/fdts/stm32mp15xx-dkx.dtsi b/fdts/stm32mp15xx-dkx.dtsi
index 69b4828..9cc5368 100644
--- a/fdts/stm32mp15xx-dkx.dtsi
+++ b/fdts/stm32mp15xx-dkx.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
 /*
- * Copyright (C) STMicroelectronics 2019 - All Rights Reserved
+ * Copyright (c) 2019-2021, STMicroelectronics - All Rights Reserved
  * Author: Alexandre Torgue <alexandre.torgue@st.com> for STMicroelectronics.
  */
 
diff --git a/fdts/stm32mp15xxaa-pinctrl.dtsi b/fdts/stm32mp15xxaa-pinctrl.dtsi
index 04f7a43..f1d540a 100644
--- a/fdts/stm32mp15xxaa-pinctrl.dtsi
+++ b/fdts/stm32mp15xxaa-pinctrl.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
 /*
- * Copyright (C) STMicroelectronics 2019 - All Rights Reserved
+ * Copyright (c) 2019-2021, STMicroelectronics - All Rights Reserved
  * Author: Alexandre Torgue <alexandre.torgue@st.com> for STMicroelectronics.
  */
 
diff --git a/fdts/stm32mp15xxab-pinctrl.dtsi b/fdts/stm32mp15xxab-pinctrl.dtsi
index 328dad1..b58c7e2 100644
--- a/fdts/stm32mp15xxab-pinctrl.dtsi
+++ b/fdts/stm32mp15xxab-pinctrl.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
 /*
- * Copyright (C) STMicroelectronics 2019 - All Rights Reserved
+ * Copyright (c) 2019-2021, STMicroelectronics - All Rights Reserved
  * Author: Alexandre Torgue <alexandre.torgue@st.com> for STMicroelectronics.
  */
 
diff --git a/fdts/stm32mp15xxac-pinctrl.dtsi b/fdts/stm32mp15xxac-pinctrl.dtsi
index 7eaa245..11e7e03 100644
--- a/fdts/stm32mp15xxac-pinctrl.dtsi
+++ b/fdts/stm32mp15xxac-pinctrl.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
 /*
- * Copyright (C) STMicroelectronics 2019 - All Rights Reserved
+ * Copyright (c) 2019-2021, STMicroelectronics - All Rights Reserved
  * Author: Alexandre Torgue <alexandre.torgue@st.com> for STMicroelectronics.
  */
 
diff --git a/fdts/stm32mp15xxad-pinctrl.dtsi b/fdts/stm32mp15xxad-pinctrl.dtsi
index b63e207..52806d6 100644
--- a/fdts/stm32mp15xxad-pinctrl.dtsi
+++ b/fdts/stm32mp15xxad-pinctrl.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
 /*
- * Copyright (C) STMicroelectronics 2019 - All Rights Reserved
+ * Copyright (c) 2019-2021, STMicroelectronics - All Rights Reserved
  * Author: Alexandre Torgue <alexandre.torgue@st.com> for STMicroelectronics.
  */