diff --git a/drivers/mfd/arizona-i2c.c b/drivers/mfd/arizona-i2c.c
index 51dbabf7c0217f185323869ae1259f75aa7925a4..beccb790c9bab93869015044142666dc786b9508 100644
--- a/drivers/mfd/arizona-i2c.c
+++ b/drivers/mfd/arizona-i2c.c
@@ -17,6 +17,7 @@
 #include <linux/regmap.h>
 #include <linux/regulator/consumer.h>
 #include <linux/slab.h>
+#include <linux/of.h>
 
 #include <linux/mfd/arizona/core.h>
 
diff --git a/drivers/mfd/arizona-spi.c b/drivers/mfd/arizona-spi.c
index 47be7b35b5c5b09c9e17c4ef0cb7dae32b0c2855..1ca554b18bef76c8dd92156a2c9bf7ed87127fc3 100644
--- a/drivers/mfd/arizona-spi.c
+++ b/drivers/mfd/arizona-spi.c
@@ -17,6 +17,7 @@
 #include <linux/regulator/consumer.h>
 #include <linux/slab.h>
 #include <linux/spi/spi.h>
+#include <linux/of.h>
 
 #include <linux/mfd/arizona/core.h>