diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 866b4ec4aab6..e46c71fbd047 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -1375,3 +1375,15 @@ Description:
 		The emissivity ratio of the surface in the field of view of the
 		contactless temperature sensor.  Emissivity varies from 0 to 1,
 		with 1 being the emissivity of a black body.
+
+What:		/sys/bus/iio/devices/iio:deviceX/in_magn_x_oversampling_ratio
+What:		/sys/bus/iio/devices/iio:deviceX/in_magn_y_oversampling_ratio
+What:		/sys/bus/iio/devices/iio:deviceX/in_magn_z_oversampling_ratio
+KernelVersion:	4.2
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Hardware applied number of measurements for acquiring one
+		data point. The HW will do <type>[_name]_oversampling_ratio
+		measurements and return the average value as output data. Each
+		value resulted from <type>[_name]_oversampling_ratio measurements
+		is considered as one sample for <type>[_name]_sampling_frequency.
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 7c98bc1504e6..dfa81db3b910 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -129,6 +129,7 @@ static const char * const iio_chan_info_postfix[] = {
 	[IIO_CHAN_INFO_DEBOUNCE_COUNT] = "debounce_count",
 	[IIO_CHAN_INFO_DEBOUNCE_TIME] = "debounce_time",
 	[IIO_CHAN_INFO_CALIBEMISSIVITY] = "calibemissivity",
+	[IIO_CHAN_INFO_OVERSAMPLING_RATIO] = "oversampling_ratio",
 };
 
 /**
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index b1e46ae89aa7..058441da4984 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -44,6 +44,7 @@ enum iio_chan_info_enum {
 	IIO_CHAN_INFO_DEBOUNCE_COUNT,
 	IIO_CHAN_INFO_DEBOUNCE_TIME,
 	IIO_CHAN_INFO_CALIBEMISSIVITY,
+	IIO_CHAN_INFO_OVERSAMPLING_RATIO,
 };
 
 enum iio_shared_by {