diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index c4598dcf333c3d6050e29dfce6f6893c9ab17785..a7549c4c83b43da6d5c6d108eeec41f95d7710e8 100644
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -33,6 +33,7 @@
 
 #include "core.h"
 
+#define MAX_GPIO_BANKS		5
 #define MAX_NB_GPIO_PER_BANK	32
 
 struct at91_pinctrl_mux_ops;