diff --git a/drivers/iio/adc/ad7292.c b/drivers/iio/adc/ad7292.c
index a2f9fda25ff3..cccacec5db6d 100644
--- a/drivers/iio/adc/ad7292.c
+++ b/drivers/iio/adc/ad7292.c
@@ -8,6 +8,7 @@
 #include <linux/bitfield.h>
 #include <linux/device.h>
 #include <linux/module.h>
+#include <linux/of.h>
 #include <linux/regulator/consumer.h>
 #include <linux/spi/spi.h>