diff --git a/include/dt-bindings/pinctrl/omap.h b/include/dt-bindings/pinctrl/omap.h
index edbd250809cb6d415e893a2d26a9d6db302925fd..1dd7636a696d06aac7e1700900d633f2d7079480 100644
--- a/include/dt-bindings/pinctrl/omap.h
+++ b/include/dt-bindings/pinctrl/omap.h
@@ -3,6 +3,8 @@
  *
  * Copyright (C) 2009 Nokia
  * Copyright (C) 2009-2010 Texas Instruments
+ *
+ * SPDX-License-Identifier:	GPL-2.0
  */
 
 #ifndef _DT_BINDINGS_PINCTRL_OMAP_H