diff --git a/arch/arm/dts/am335x-base0033.dts b/arch/arm/dts/am335x-base0033.dts
index 29782be0760..0f5f2dea898 100644
--- a/arch/arm/dts/am335x-base0033.dts
+++ b/arch/arm/dts/am335x-base0033.dts
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * am335x-base0033.dts - Device Tree file for IGEP AQUILA EXPANSION
  *
  * Copyright (C) 2013 ISEE 2007 SL - http://www.isee.biz
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #include "am335x-igep0033.dtsi"
diff --git a/arch/arm/dts/am335x-chiliboard.dts b/arch/arm/dts/am335x-chiliboard.dts
index 9c2a947aacf..862cacceb62 100644
--- a/arch/arm/dts/am335x-chiliboard.dts
+++ b/arch/arm/dts/am335x-chiliboard.dts
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
- * Copyright (C) 2015 Jablotron s.r.o. -- http://www.jablotron.com/
+ * Copyright (C) 2015 Jablotron s.r.o. -- https://www.jablotron.com/
  * Author: Rostislav Lisovy <lisovy@jablotron.cz>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 /dts-v1/;
 #include "am335x-chilisom.dtsi"
diff --git a/arch/arm/dts/am335x-chilisom.dtsi b/arch/arm/dts/am335x-chilisom.dtsi
index 1b43ebd08b3..3f2cb5ec962 100644
--- a/arch/arm/dts/am335x-chilisom.dtsi
+++ b/arch/arm/dts/am335x-chilisom.dtsi
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
- * Copyright (C) 2015 Jablotron s.r.o. -- http://www.jablotron.com/
+ * Copyright (C) 2015 Jablotron s.r.o. -- https://www.jablotron.com/
  * Author: Rostislav Lisovy <lisovy@jablotron.cz>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #include "am33xx.dtsi"
 #include <dt-bindings/interrupt-controller/irq.h>
diff --git a/arch/arm/dts/am335x-evm.dts b/arch/arm/dts/am335x-evm.dts
index 2a2972f441f..5b756d40d73 100644
--- a/arch/arm/dts/am335x-evm.dts
+++ b/arch/arm/dts/am335x-evm.dts
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
- * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/
  */
 /dts-v1/;
 
diff --git a/arch/arm/dts/am335x-evmsk.dts b/arch/arm/dts/am335x-evmsk.dts
index b14bf2ff1b3..d6b40252118 100644
--- a/arch/arm/dts/am335x-evmsk.dts
+++ b/arch/arm/dts/am335x-evmsk.dts
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
- * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/
  */
 
 /*
diff --git a/arch/arm/dts/am335x-guardian.dts b/arch/arm/dts/am335x-guardian.dts
index 067c402885e..6c37e52a0de 100644
--- a/arch/arm/dts/am335x-guardian.dts
+++ b/arch/arm/dts/am335x-guardian.dts
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
+ * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/
  * Copyright (C) 2018 Robert Bosch Power Tools GmbH
  */
 /dts-v1/;
diff --git a/arch/arm/dts/am335x-icev2.dts b/arch/arm/dts/am335x-icev2.dts
index 2a1b3a53e9b..3a1d5a54c55 100644
--- a/arch/arm/dts/am335x-icev2.dts
+++ b/arch/arm/dts/am335x-icev2.dts
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
- * Copyright (C) 2016 Texas Instruments Incorporated - http://www.ti.com/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * Copyright (C) 2016 Texas Instruments Incorporated - https://www.ti.com/
  */
 
 /*
diff --git a/arch/arm/dts/am335x-igep0033.dtsi b/arch/arm/dts/am335x-igep0033.dtsi
index f102f6adad9..bf6ec5d1b5e 100644
--- a/arch/arm/dts/am335x-igep0033.dtsi
+++ b/arch/arm/dts/am335x-igep0033.dtsi
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * am335x-igep0033.dtsi - Device Tree file for IGEP COM AQUILA AM335x
  *
  * Copyright (C) 2013 ISEE 2007 SL - http://www.isee.biz
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 /dts-v1/;
diff --git a/arch/arm/dts/am335x-osd335x-common.dtsi b/arch/arm/dts/am335x-osd335x-common.dtsi
index 2b55b7d0f9c..c3924e1636e 100644
--- a/arch/arm/dts/am335x-osd335x-common.dtsi
+++ b/arch/arm/dts/am335x-osd335x-common.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
+ * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/
  *
  * Author: Robert Nelson <robertcnelson@gmail.com>
  */
diff --git a/arch/arm/dts/am335x-pdu001.dts b/arch/arm/dts/am335x-pdu001.dts
index ae43d61f4e8..3567de6a492 100644
--- a/arch/arm/dts/am335x-pdu001.dts
+++ b/arch/arm/dts/am335x-pdu001.dts
@@ -5,7 +5,7 @@
  *
  * Copyright (C) 2018 EETS GmbH - http://www.eets.ch/
  *
- * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
+ * Copyright (C) 2011, Texas Instruments, Incorporated - https://www.ti.com/
  *
  * SPDX-License-Identifier:  GPL-2.0+
  */
diff --git a/arch/arm/dts/am335x-phycore-som.dtsi b/arch/arm/dts/am335x-phycore-som.dtsi
index 8d7c19e5e18..3b4b97a941e 100644
--- a/arch/arm/dts/am335x-phycore-som.dtsi
+++ b/arch/arm/dts/am335x-phycore-som.dtsi
@@ -1,11 +1,7 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (C) 2015 Phytec Messtechnik GmbH
  * Author: Teresa Remmet <t.remmet@phytec.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #include "am33xx.dtsi"
diff --git a/arch/arm/dts/am335x-pocketbeagle.dts b/arch/arm/dts/am335x-pocketbeagle.dts
index 62fe5cab9fa..14c68e9e00d 100644
--- a/arch/arm/dts/am335x-pocketbeagle.dts
+++ b/arch/arm/dts/am335x-pocketbeagle.dts
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
+ * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/
  *
  * Author: Robert Nelson <robertcnelson@gmail.com>
  */
diff --git a/arch/arm/dts/am335x-sl50.dts b/arch/arm/dts/am335x-sl50.dts
index ebb56bdaade..423f46613bb 100644
--- a/arch/arm/dts/am335x-sl50.dts
+++ b/arch/arm/dts/am335x-sl50.dts
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (C) 2015 Toby Churchill - http://www.toby-churchill.com/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 /dts-v1/;
 
diff --git a/arch/arm/dts/am335x-wega-rdk.dts b/arch/arm/dts/am335x-wega-rdk.dts
index fe50f3041a1..2e04f6df825 100644
--- a/arch/arm/dts/am335x-wega-rdk.dts
+++ b/arch/arm/dts/am335x-wega-rdk.dts
@@ -1,11 +1,7 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (C) 2015 Phytec Messtechnik GmbH
  * Author: Teresa Remmet <t.remmet@phytec.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 /dts-v1/;
diff --git a/arch/arm/dts/am335x-wega.dtsi b/arch/arm/dts/am335x-wega.dtsi
index f3e045dfc4b..93902aa5c2f 100644
--- a/arch/arm/dts/am335x-wega.dtsi
+++ b/arch/arm/dts/am335x-wega.dtsi
@@ -1,11 +1,7 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (C) 2015 Phytec Messtechnik GmbH
  * Author: Teresa Remmet <t.remmet@phytec.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 / {
diff --git a/arch/arm/dts/am33xx-clocks.dtsi b/arch/arm/dts/am33xx-clocks.dtsi
index 44b6268ae32..b7b7106f2de 100644
--- a/arch/arm/dts/am33xx-clocks.dtsi
+++ b/arch/arm/dts/am33xx-clocks.dtsi
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Device Tree Source for AM33xx clock data
  *
  * Copyright (C) 2013 Texas Instruments, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 &scm_clocks {
 	sys_clkin_ck: sys_clkin_ck@40 {
diff --git a/arch/arm/dts/am33xx.dtsi b/arch/arm/dts/am33xx.dtsi
index 5871344edbf..a9ce8fdd3d5 100644
--- a/arch/arm/dts/am33xx.dtsi
+++ b/arch/arm/dts/am33xx.dtsi
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Device Tree Source for AM33XX SoC
  *
- * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
- *
- * This file is licensed under the terms of the GNU General Public License
- * version 2.  This program is licensed "as is" without any warranty of any
- * kind, whether express or implied.
+ * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/
  */
 
 #include <dt-bindings/bus/ti-sysc.h>
diff --git a/arch/arm/dts/am3517.dtsi b/arch/arm/dts/am3517.dtsi
index 23ea381d363..71f2b7b970c 100644
--- a/arch/arm/dts/am3517.dtsi
+++ b/arch/arm/dts/am3517.dtsi
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Device Tree Source for am3517 SoC
  *
- * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
- *
- * This file is licensed under the terms of the GNU General Public License
- * version 2.  This program is licensed "as is" without any warranty of any
- * kind, whether express or implied.
+ * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com/
  */
 
 #include "omap3.dtsi"
diff --git a/arch/arm/dts/am35xx-clocks.dtsi b/arch/arm/dts/am35xx-clocks.dtsi
index 00dd1f091be..220d0a52797 100644
--- a/arch/arm/dts/am35xx-clocks.dtsi
+++ b/arch/arm/dts/am35xx-clocks.dtsi
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Device Tree Source for OMAP3 clock data
  *
  * Copyright (C) 2013 Texas Instruments, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 &scm_clocks {
 	emac_ick: emac_ick@32c {
