From a816646f08ce18e8787d241e1dbda5cbc314e5ea Mon Sep 17 00:00:00 2001 From: Marcelo Schmitt Date: Sat, 16 Mar 2019 12:07:32 -0300 Subject: staging: iio: ad5933: add ABI documentation Add an ABI documentation for the ad5933 driver. Signed-off-by: Marcelo Schmitt Signed-off-by: Jonathan Cameron --- .../sysfs-bus-iio-impedance-analyzer-ad5933 | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-impedance-analyzer-ad5933 (limited to 'Documentation/ABI/testing/sysfs-bus-iio-impedance-analyzer-ad5933') diff --git a/Documentation/ABI/testing/sysfs-bus-iio-impedance-analyzer-ad5933 b/Documentation/ABI/testing/sysfs-bus-iio-impedance-analyzer-ad5933 new file mode 100644 index 000000000000..0e86747c67f8 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-iio-impedance-analyzer-ad5933 @@ -0,0 +1,35 @@ +What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_frequency_start +Date: March 2019 +KernelVersion: 3.1.0 +Contact: linux-iio@vger.kernel.org +Description: + Frequency sweep start frequency in Hz. + +What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_frequency_increment +Date: March 2019 +KernelVersion: 3.1.0 +Contact: linux-iio@vger.kernel.org +Description: + Frequency increment in Hz (step size) between consecutive + frequency points along the sweep. + +What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_frequency_points +Date: March 2019 +KernelVersion: 3.1.0 +Contact: linux-iio@vger.kernel.org +Description: + Number of frequency points (steps) in the frequency sweep. + This value, in conjunction with the + out_altvoltageY_frequency_start and the + out_altvoltageY_frequency_increment, determines the frequency + sweep range for the sweep operation. + +What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_settling_cycles +Date: March 2019 +KernelVersion: 3.1.0 +Contact: linux-iio@vger.kernel.org +Description: + Number of output excitation cycles (settling time cycles) + that are allowed to pass through the unknown impedance, + after each frequency increment, and before the ADC is triggered + to perform a conversion sequence of the response signal. -- cgit v1.2.3-59-g8ed1b