Add an ABI documentation for the ad5933 driver. Signed-off-by: Marcelo Schmitt <[email protected]> --- .../ABI/testing/sysfs-bus-iio-ad5933 | 39 +++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-ad5933
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-ad5933 b/Documentation/ABI/testing/sysfs-bus-iio-ad5933 new file mode 100644 index 000000000000..8a60dd178b1f --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-iio-ad5933 @@ -0,0 +1,39 @@ +What:/sys/bus/iio/devices/iio:deviceX/out_voltage0_freq_start +Date: March 2019 +KernelVersion: Kernel 4.19 +Contact: [email protected] +Description: + The start frequency. Set this to define the frequency point at + which the device should start the next frequency sweep. + +What:/sys/bus/iio/devices/iio:deviceX/out_voltage0_freq_increment +Date: March 2019 +KernelVersion: Kernel 4.19 +Contact: [email protected] +Description: + The frequency sweep increment. Set this to define the amount by + which the frequency is incremented after each scan point. After + the measurement at a frequency point is completed, the next + measurement will be made at a frequency point + 'frequency increment'Hz higher than the previous one unless a + repeat frequency command is issued. This behavior will follow + until the defined number of frequency points have been measured + or frequency sweep is somewhat reset. + +What:/sys/bus/iio/devices/iio:deviceX/out_voltage0_freq_points +Date: March 2019 +KernelVersion: Kernel 4.19 +Contact: [email protected] +Description: + The number of increments. This defines the number of frequency + points in the frequency sweep. + +What:/sys/bus/iio/devices/iio:deviceX/out_voltage0_settling_cycles +Date: March 2019 +KernelVersion: Kernel 4.19 +Contact: [email protected] +Description: + Number of settling time cycles. This sets the delay between a + start frequency sweep/increment frequency /repeat frequency to + be proportional to the excitation signal frequency times the + number of settling time cycles. -- 2.20.1
