diff --git a/arch/arm64/boot/dts/arm/foundation-v8-gicv2.dtsi b/arch/arm64/boot/dts/arm/foundation-v8-gicv2.dtsi
index 655fdcce15614..53fa6b9fd86fb 100644
--- a/arch/arm64/boot/dts/arm/foundation-v8-gicv2.dtsi
+++ b/arch/arm64/boot/dts/arm/foundation-v8-gicv2.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
 /*
  * ARM Ltd.
  *
diff --git a/arch/arm64/boot/dts/arm/foundation-v8-gicv3-psci.dts b/arch/arm64/boot/dts/arm/foundation-v8-gicv3-psci.dts
index e096e670bec3c..32c16d7f216ab 100644
--- a/arch/arm64/boot/dts/arm/foundation-v8-gicv3-psci.dts
+++ b/arch/arm64/boot/dts/arm/foundation-v8-gicv3-psci.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
 /*
  * ARM Ltd.
  *
diff --git a/arch/arm64/boot/dts/arm/foundation-v8-gicv3.dts b/arch/arm64/boot/dts/arm/foundation-v8-gicv3.dts
index c87380e87f595..e1426de132560 100644
--- a/arch/arm64/boot/dts/arm/foundation-v8-gicv3.dts
+++ b/arch/arm64/boot/dts/arm/foundation-v8-gicv3.dts
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
 /*
  * ARM Ltd.
  *
diff --git a/arch/arm64/boot/dts/arm/foundation-v8-gicv3.dtsi b/arch/arm64/boot/dts/arm/foundation-v8-gicv3.dtsi
index e4a3c7dbcc20c..dd2d305b53393 100644
--- a/arch/arm64/boot/dts/arm/foundation-v8-gicv3.dtsi
+++ b/arch/arm64/boot/dts/arm/foundation-v8-gicv3.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
 /*
  * ARM Ltd.
  *
diff --git a/arch/arm64/boot/dts/arm/foundation-v8-psci.dts b/arch/arm64/boot/dts/arm/foundation-v8-psci.dts
index 723f23c7cd31a..1d6c6bcb08cdd 100644
--- a/arch/arm64/boot/dts/arm/foundation-v8-psci.dts
+++ b/arch/arm64/boot/dts/arm/foundation-v8-psci.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
 /*
  * ARM Ltd.
  *
diff --git a/arch/arm64/boot/dts/arm/foundation-v8-psci.dtsi b/arch/arm64/boot/dts/arm/foundation-v8-psci.dtsi
index 16cdf395728bc..f9589905dc024 100644
--- a/arch/arm64/boot/dts/arm/foundation-v8-psci.dtsi
+++ b/arch/arm64/boot/dts/arm/foundation-v8-psci.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
 /*
  * ARM Ltd.
  *
diff --git a/arch/arm64/boot/dts/arm/foundation-v8-spin-table.dtsi b/arch/arm64/boot/dts/arm/foundation-v8-spin-table.dtsi
index 4d4186ba0e8c1..6796bbb5eef05 100644
--- a/arch/arm64/boot/dts/arm/foundation-v8-spin-table.dtsi
+++ b/arch/arm64/boot/dts/arm/foundation-v8-spin-table.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
 /*
  * ARM Ltd.
  *
diff --git a/arch/arm64/boot/dts/arm/foundation-v8.dts b/arch/arm64/boot/dts/arm/foundation-v8.dts
index b17347d75ec60..a73bf774c7603 100644
--- a/arch/arm64/boot/dts/arm/foundation-v8.dts
+++ b/arch/arm64/boot/dts/arm/foundation-v8.dts
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
 /*
  * ARM Ltd.
  *
diff --git a/arch/arm64/boot/dts/arm/foundation-v8.dtsi b/arch/arm64/boot/dts/arm/foundation-v8.dtsi
index 83e3e7e3984fc..152bc7f0f37cb 100644
--- a/arch/arm64/boot/dts/arm/foundation-v8.dtsi
+++ b/arch/arm64/boot/dts/arm/foundation-v8.dtsi
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
 /*
  * ARM Ltd.
  *
diff --git a/arch/arm64/boot/dts/arm/fvp-base-revc.dts b/arch/arm64/boot/dts/arm/fvp-base-revc.dts
index 5f6f30c801a7f..45cef48378d07 100644
--- a/arch/arm64/boot/dts/arm/fvp-base-revc.dts
+++ b/arch/arm64/boot/dts/arm/fvp-base-revc.dts
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
 /*
  * ARM Ltd. Fast Models
  *
diff --git a/arch/arm64/boot/dts/arm/juno-base.dtsi b/arch/arm64/boot/dts/arm/juno-base.dtsi
index 2f27619d8abd5..5f89d984b031e 100644
--- a/arch/arm64/boot/dts/arm/juno-base.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-base.dtsi
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
 #include "juno-clocks.dtsi"
 #include "juno-motherboard.dtsi"
 
diff --git a/arch/arm64/boot/dts/arm/juno-clocks.dtsi b/arch/arm64/boot/dts/arm/juno-clocks.dtsi
index 2870b5eeb1984..27aec6425512b 100644
--- a/arch/arm64/boot/dts/arm/juno-clocks.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-clocks.dtsi
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
 /*
  * ARM Juno Platform clocks
  *
  * Copyright (c) 2013-2014 ARM Ltd
  *
- * This file is licensed under a dual GPLv2 or BSD license.
- *
  */
 / {
 	/* SoC fixed clocks */
diff --git a/arch/arm64/boot/dts/arm/juno-cs-r1r2.dtsi b/arch/arm64/boot/dts/arm/juno-cs-r1r2.dtsi
index 09d2b692e9e1f..4299287e1e284 100644
--- a/arch/arm64/boot/dts/arm/juno-cs-r1r2.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-cs-r1r2.dtsi
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
 / {
 	funnel@20130000 { /* cssys1 */
 		compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
diff --git a/arch/arm64/boot/dts/arm/juno-motherboard.dtsi b/arch/arm64/boot/dts/arm/juno-motherboard.dtsi
index be42932f7e21e..21f84a34f6ff0 100644
--- a/arch/arm64/boot/dts/arm/juno-motherboard.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-motherboard.dtsi
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
 /*
  * ARM Juno Platform motherboard peripherals
  *
  * Copyright (c) 2013-2014 ARM Ltd
  *
- * This file is licensed under a dual GPLv2 or BSD license.
- *
  */
 
 / {
diff --git a/arch/arm64/boot/dts/arm/juno-r1-scmi.dts b/arch/arm64/boot/dts/arm/juno-r1-scmi.dts
index dd9ea69f086f8..e63543c624f4a 100644
--- a/arch/arm64/boot/dts/arm/juno-r1-scmi.dts
+++ b/arch/arm64/boot/dts/arm/juno-r1-scmi.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
 #include "juno-r1.dts"
 #include "juno-scmi.dtsi"
 
diff --git a/arch/arm64/boot/dts/arm/juno-r1.dts b/arch/arm64/boot/dts/arm/juno-r1.dts
index 6451c62146fda..9253ca28e8fa5 100644
--- a/arch/arm64/boot/dts/arm/juno-r1.dts
+++ b/arch/arm64/boot/dts/arm/juno-r1.dts
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
 /*
  * ARM Ltd. Juno Platform
  *
  * Copyright (c) 2015 ARM Ltd.
- *
- * This file is licensed under a dual GPLv2 or BSD license.
  */
 
 /dts-v1/;
diff --git a/arch/arm64/boot/dts/arm/juno-r2-scmi.dts b/arch/arm64/boot/dts/arm/juno-r2-scmi.dts
index de2cbac1d1c3e..6c80f08b3ec2e 100644
--- a/arch/arm64/boot/dts/arm/juno-r2-scmi.dts
+++ b/arch/arm64/boot/dts/arm/juno-r2-scmi.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
 #include "juno-r2.dts"
 #include "juno-scmi.dtsi"
 
diff --git a/arch/arm64/boot/dts/arm/juno-r2.dts b/arch/arm64/boot/dts/arm/juno-r2.dts
index 438cd1ff4bd08..2545bc79158f1 100644
--- a/arch/arm64/boot/dts/arm/juno-r2.dts
+++ b/arch/arm64/boot/dts/arm/juno-r2.dts
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
 /*
  * ARM Ltd. Juno Platform
  *
  * Copyright (c) 2015 ARM Ltd.
- *
- * This file is licensed under a dual GPLv2 or BSD license.
  */
 
 /dts-v1/;
diff --git a/arch/arm64/boot/dts/arm/juno-scmi.dts b/arch/arm64/boot/dts/arm/juno-scmi.dts
index 41588fa46d317..51844a407a7dd 100644
--- a/arch/arm64/boot/dts/arm/juno-scmi.dts
+++ b/arch/arm64/boot/dts/arm/juno-scmi.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
 #include "juno.dts"
 #include "juno-scmi.dtsi"
 
diff --git a/arch/arm64/boot/dts/arm/juno-scmi.dtsi b/arch/arm64/boot/dts/arm/juno-scmi.dtsi
index ec85cd2c733ce..c6f4b80d3dff0 100644
--- a/arch/arm64/boot/dts/arm/juno-scmi.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-scmi.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
 / {
 	etf@20010000 {
 		power-domains = <&scmi_devpd 8>;
diff --git a/arch/arm64/boot/dts/arm/juno.dts b/arch/arm64/boot/dts/arm/juno.dts
index cf4a582113999..270505339eecd 100644
--- a/arch/arm64/boot/dts/arm/juno.dts
+++ b/arch/arm64/boot/dts/arm/juno.dts
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
 /*
  * ARM Ltd. Juno Platform
  *
  * Copyright (c) 2013-2014 ARM Ltd.
- *
- * This file is licensed under a dual GPLv2 or BSD license.
  */
 
 /dts-v1/;
diff --git a/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts b/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts
index 258991ad7cc0a..5b514c865845d 100644
--- a/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts
+++ b/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
 /*
  * ARM Ltd. Fast Models
  *
diff --git a/arch/arm64/boot/dts/arm/rtsm_ve-motherboard-rs2.dtsi b/arch/arm64/boot/dts/arm/rtsm_ve-motherboard-rs2.dtsi
index ec2d5280a30b1..9dd155ef09ab3 100644
--- a/arch/arm64/boot/dts/arm/rtsm_ve-motherboard-rs2.dtsi
+++ b/arch/arm64/boot/dts/arm/rtsm_ve-motherboard-rs2.dtsi
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
 /*
  * ARM Ltd. Fast Models
  *
diff --git a/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi b/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi
index ba8beef3fe99e..5f8f17d6c8e59 100644
--- a/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi
+++ b/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
 /*
  * ARM Ltd. Fast Models
  *
diff --git a/arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts b/arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts
index 5b6d9d8e934db..8cb44b0577ca5 100644
--- a/arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts
+++ b/arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
 /*
  * ARM Ltd. Versatile Express
  *
