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-rw-r--r--Documentation/ABI/testing/sysfs-bus-iio18
1 files changed, 18 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index fee35c00cc4e..b8f220f978dd 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -329,6 +329,7 @@ What: /sys/bus/iio/devices/iio:deviceX/in_pressure_scale
What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_scale
What: /sys/bus/iio/devices/iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_scale
What: /sys/bus/iio/devices/iio:deviceX/in_illuminance_scale
+What: /sys/bus/iio/devices/iio:deviceX/in_countY_scale
KernelVersion: 2.6.35
Contact: linux-iio@vger.kernel.org
Description:
@@ -1579,3 +1580,20 @@ Contact: linux-iio@vger.kernel.org
Description:
Raw (unscaled no offset etc.) electric conductivity reading that
can be processed to siemens per meter.
+
+What: /sys/bus/iio/devices/iio:deviceX/in_countY_raw
+KernelVersion: 4.9
+Contact: linux-iio@vger.kernel.org
+Description:
+ Raw counter device counts from channel Y. For quadrature
+ counters, multiplication by an available [Y]_scale results in
+ the counts of a single quadrature signal phase from channel Y.
+
+What: /sys/bus/iio/devices/iio:deviceX/in_indexY_raw
+KernelVersion: 4.9
+Contact: linux-iio@vger.kernel.org
+Description:
+ Raw counter device index value from channel Y. This attribute
+ provides an absolute positional reference (e.g. a pulse once per
+ revolution) which may be used to home positional systems as
+ required.