diff --git a/drivers/pinctrl/intel/pinctrl-merrifield.c b/drivers/pinctrl/intel/pinctrl-merrifield.c
index eb4990ff26ca581fa8040e2e028111107524c8f9..7fb765642ee78bc320a30c04bf3bf8d1a4724878 100644
--- a/drivers/pinctrl/intel/pinctrl-merrifield.c
+++ b/drivers/pinctrl/intel/pinctrl-merrifield.c
@@ -11,6 +11,7 @@
 
 #include <linux/bitops.h>
 #include <linux/err.h>
+#include <linux/io.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/pinctrl/pinconf.h>