diff --git a/arch/arm64/boot/dts/xilinx/Makefile b/arch/arm64/boot/dts/xilinx/Makefile
index a2d67084a5146c7b91a132b8a27bf5a5ec412fad..eba179b23b172bf8dd65657121ea7270a98814c7 100644
--- a/arch/arm64/boot/dts/xilinx/Makefile
+++ b/arch/arm64/boot/dts/xilinx/Makefile
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_ZYNQMP) += zynqmp-ep108.dtb
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-ep108-clk.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp-ep108-clk.dtsi
index b87b8316f4acaecab6e5a243f2cce8ae2f1c7d31..9f5eedbc2139fa21b4bb025503ad5a836c3946b9 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-ep108-clk.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-ep108-clk.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * clock specification for Xilinx ZynqMP ep108 development board
  *
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-ep108.dts b/arch/arm64/boot/dts/xilinx/zynqmp-ep108.dts
index fe7c48b6fa787834dd918ad14af2461243be0291..84fe7057fcb0dcfbea47583c015e9afa3b5bf72c 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-ep108.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-ep108.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * dts file for Xilinx ZynqMP ep108 development board
  *
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index 9ca4d1f83b51f78d1ad532fbd30ef2b295804139..a091e6f030145fc09622270c00bd6a43391656ab 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * dts file for Xilinx ZynqMP
  *