Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-sps30 b/Documentation/ABI/testing/sysfs-bus-iio-sps30
new file mode 100644
index 0000000..06e1c27
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-iio-sps30
@@ -0,0 +1,28 @@
+What: /sys/bus/iio/devices/iio:deviceX/start_cleaning
+Date: December 2018
+KernelVersion: 5.0
+Contact: linux-iio@vger.kernel.org
+Description:
+ Writing 1 starts sensor self cleaning. Internal fan accelerates
+ to its maximum speed and keeps spinning for about 10 seconds in
+ order to blow out accumulated dust.
+
+What: /sys/bus/iio/devices/iio:deviceX/cleaning_period
+Date: January 2019
+KernelVersion: 5.1
+Contact: linux-iio@vger.kernel.org
+Description:
+ Sensor is capable of triggering self cleaning periodically.
+ Period can be changed by writing a new value here. Upon reading
+ the current one is returned. Units are seconds.
+
+ Writing 0 disables periodical self cleaning entirely.
+
+What: /sys/bus/iio/devices/iio:deviceX/cleaning_period_available
+Date: January 2019
+KernelVersion: 5.1
+Contact: linux-iio@vger.kernel.org
+Description:
+ The range of available values in seconds represented as the
+ minimum value, the step and the maximum value, all enclosed in
+ square brackets.