Documentation:ABI:testing:admv1013: add ABI docs

Add documentation for the use of the Local Oscillator Feedthrough Offset
calibration.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://lore.kernel.org/r/20211221112206.97066-3-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/Documentation/ABI/testing/sysfs-bus-iio-frequency-admv1013 b/Documentation/ABI/testing/sysfs-bus-iio-frequency-admv1013
new file mode 100644 (file)
index 0000000..de1e323
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-iio-frequency-admv1013
@@ -0,0 +1,38 @@
+What:          /sys/bus/iio/devices/iio:deviceX/in_altvoltage0-1_i_calibphase
+KernelVersion:
+Contact:       linux-iio@vger.kernel.org
+Description:
+               Read/write unscaled value for the Local Oscillatior path quadrature I phase shift.
+
+What:          /sys/bus/iio/devices/iio:deviceX/in_altvoltage0-1_q_calibphase
+KernelVersion:
+Contact:       linux-iio@vger.kernel.org
+Description:
+               Read/write unscaled value for the Local Oscillatior path quadrature Q phase shift.
+
+What:          /sys/bus/iio/devices/iio:deviceX/in_altvoltage0_i_calibbias
+KernelVersion:
+Contact:       linux-iio@vger.kernel.org
+Description:
+               Read/write value for the Local Oscillatior Feedthrough Offset Calibration I Positive
+               side.
+
+What:          /sys/bus/iio/devices/iio:deviceX/in_altvoltage0_q_calibbias
+KernelVersion:
+Contact:       linux-iio@vger.kernel.org
+Description:
+               Read/write value for the Local Oscillatior Feedthrough Offset Calibration Q Positive side.
+
+What:          /sys/bus/iio/devices/iio:deviceX/in_altvoltage1_i_calibbias
+KernelVersion:
+Contact:       linux-iio@vger.kernel.org
+Description:
+               Read/write raw value for the Local Oscillatior Feedthrough Offset Calibration I Negative
+               side.
+
+What:          /sys/bus/iio/devices/iio:deviceX/in_altvoltage1_q_calibbias
+KernelVersion:
+Contact:       linux-iio@vger.kernel.org
+Description:
+               Read/write raw value for the Local Oscillatior Feedthrough Offset Calibration Q Negative
+               side.