[PATCH v4 4/6] Documentation:ABI:testing:add doc for AD3552R ABI

[Mihail Chindris]

Add documentation for option for enabling precision mode
of ad3552r

Signed-off-by: Mihail Chindris <mihail.chindris@xxxxxxxxxx>
---
 Documentation/ABI/testing/sysfs-bus-iio-dac-ad3552r | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-dac-ad3552r

diff --git a/Documentation/ABI/testing/sysfs-bus-iio-dac-ad3552r b/Documentation/ABI/testing/sysfs-bus-iio-dac-ad3552r
new file mode 100644
index 000000000000..37573245f3d5
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-iio-dac-ad3552r
@@ -0,0 +1,10 @@
+What:		/sys/bus/iio/devices/iio:deviceX/precision_mode_en
+KernelVersion:	5.13
+Contact:	linux-iio@xxxxxxxxxxxxxxx
+Description:
+		Select between fast mode and precison mode.
+		0: Fast mode      - For 12 bits precision, the most significant
+				    bits are used and 16 bits are sent to the
+				    device per channel, lats bits being 0.
+		1: Precision mode - For 16 bits precision, 24 bits are sent to
+				    the device per channel, last bits being 0.
-- 
2.27.0