diff options
| author | Marcelo Schmitt <marcelo.schmitt1@gmail.com> | 2019-03-16 12:07:32 -0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2019-04-04 20:20:13 +0100 |
| commit | a816646f08ce18e8787d241e1dbda5cbc314e5ea (patch) | |
| tree | 31319c221e50aaba57b15f843fdc2b9a076f386f /Documentation | |
| parent | 8fce3d34d70c98cd546cdb99365659087a408e02 (diff) | |
staging: iio: ad5933: add ABI documentation
Add an ABI documentation for the ad5933 driver.
Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-impedance-analyzer-ad5933 | 35 |
1 files changed, 35 insertions, 0 deletions
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. |