[PATCH v3 4/4] iio:filter:admv8818: Add sysfs ABI documentation

[Antoniu Miclaus]

Add initial ABI documentation for admv8818 filter sysfs interfaces.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx>
---
 .../ABI/testing/sysfs-bus-iio-filter-admv8818    | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-filter-admv8818

diff --git a/Documentation/ABI/testing/sysfs-bus-iio-filter-admv8818 b/Documentation/ABI/testing/sysfs-bus-iio-filter-admv8818
new file mode 100644
index 000000000000..f6c035752639
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-iio-filter-admv8818
@@ -0,0 +1,16 @@
+What:		/sys/bus/iio/devices/iio:deviceX/filter_mode_available
+KernelVersion:
+Contact:	linux-iio@xxxxxxxxxxxxxxx
+Description:
+		Reading this returns the valid values that can be written to the
+		on_altvoltage0_mode attribute:
+
+		- auto -> Adjust bandpass filter to track changes in input clock rate.
+		- manual -> disable/unregister the clock rate notifier / input clock tracking.
+
+What:		/sys/bus/iio/devices/iio:deviceX/filter_mode
+KernelVersion:
+Contact:	linux-iio@xxxxxxxxxxxxxxx
+Description:
+		This attribute configures the filter mode.
+		Reading returns the actual mode.
-- 
2.34.1