diff --git a/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-peb-av-10.dtso b/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-peb-av-10.dtso
index 79e4c3710ac3..00da1eedf73a 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-peb-av-10.dtso
+++ b/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-peb-av-10.dtso
@@ -1,7 +1,6 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
 /*
  * Copyright (C) 2025 PHYTEC Messtechnik GmbH
- * Author: Teresa Remmet <t.remmet@phytec.de>
  */
 
 /dts-v1/;
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-peb-eval-01.dtso b/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-peb-eval-01.dtso
index a28f51ece93b..1059c26990fe 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-peb-eval-01.dtso
+++ b/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-peb-eval-01.dtso
@@ -1,7 +1,6 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
 /*
  * Copyright (C) 2025 PHYTEC Messtechnik GmbH
- * Author: Janine Hagemann <j.hagemann@phytec.de>
  */
 
 /dts-v1/;
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-rdk.dts b/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-rdk.dts
index 35d8c5ab3547..6043e7d16306 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-rdk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-rdk.dts
@@ -1,7 +1,6 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
 /*
  * Copyright (C) 2022 PHYTEC Messtechnik GmbH
- * Author: Teresa Remmet <t.remmet@phytec.de>
  */
 
 /dts-v1/;
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi
index 921a7f58fd41..54f724e1774c 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi
@@ -1,7 +1,6 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
 /*
  * Copyright (C) 2022 PHYTEC Messtechnik GmbH
- * Author: Teresa Remmet <t.remmet@phytec.de>
  */
 
 #include "imx8mm.dtsi"