ARM: dts: Protect pinctrl headers against multiple inclusions

Pinctrl headers were not protected with #ifndef.

Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Benoit Cousson <benoit.cousson@linaro.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/dt-bindings/pinctrl/am33xx.h b/include/dt-bindings/pinctrl/am33xx.h
index a3fddd4f6ecf..469e0325e6f4 100644
--- a/include/dt-bindings/pinctrl/am33xx.h
+++ b/include/dt-bindings/pinctrl/am33xx.h
@@ -2,6 +2,9 @@
  * This header provides constants specific to AM33XX pinctrl bindings.
  */
 
+#ifndef _DT_BINDINGS_PINCTRL_AM33XX_H
+#define _DT_BINDINGS_PINCTRL_AM33XX_H
+
 #include <include/dt-bindings/pinctrl/omap.h>
 
 /* am33xx specific mux bit defines */
@@ -35,3 +38,5 @@
 #undef PIN_OFF_INPUT_PULLDOWN
 #undef PIN_OFF_WAKEUPENABLE
 
+#endif
+