diff --git a/include/dt-bindings/interrupt-controller/arm-gic.h b/include/dt-bindings/interrupt-controller/arm-gic.h
index a3923f0..fbe07da 100644
--- a/include/dt-bindings/interrupt-controller/arm-gic.h
+++ b/include/dt-bindings/interrupt-controller/arm-gic.h
@@ -1,6 +1,8 @@
-/* SPDX-License-Identifier: MIT */
-
 /*
+ * Copyright (c) 2019-2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: MIT
+ *
  * This header provides constants for the ARM GIC.
  */