diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 910648c..9542fff 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1,3 +1,7 @@
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
 dtb-$(CONFIG_S5PC100) += s5pc1xx-smdkc100.dtb
 dtb-$(CONFIG_S5PC110) += s5pc1xx-goni.dtb
 dtb-$(CONFIG_EXYNOS4) += exynos4210-origen.dtb \