Adding documentation for Analog Devices max11410 adc userspace sysfs.

Signed-off-by: Ibrahim Tilki <Ibrahim.Tilki@analog.com>
---
 .../ABI/testing/sysfs-bus-iio-adc-max11410          | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-adc-max11410

diff --git a/Documentation/ABI/testing/sysfs-bus-iio-adc-max11410 b/Documentation/ABI/testing/sysfs-bus-iio-adc-max11410
new file mode 100644
index 0000000000..2a53c6b373
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-iio-adc-max11410
@@ -0,0 +1,13 @@
+What:		/sys/bus/iio/devices/iio:deviceX/in_voltage_filterY_notch_en
+Date:		September 2022
+KernelVersion:  6.0
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Enable or disable a notch filter.
+
+What:		/sys/bus/iio/devices/iio:deviceX/in_voltage_filterY_notch_center
+Date:		September 2022
+KernelVersion:  6.0
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Center frequency of the notch filter in Hz.
-- 
2.25.1