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Diffstat (limited to 'Documentation/ABI/testing/sysfs-bus-iio-adc-hi8435')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-adc-hi8435 | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-adc-hi8435 b/Documentation/ABI/testing/sysfs-bus-iio-adc-hi8435 new file mode 100644 index 000000000..4b01150af --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-iio-adc-hi8435 @@ -0,0 +1,48 @@ +What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_sensing_mode +Date: August 2015 +KernelVersion: 4.2.0 +Contact: source@cogentembedded.com +Description: + Program sensor type for threshold detector inputs. + Could be either "GND-Open" or "Supply-Open" mode. Y is a + threshold detector input channel. Channels 0..7, 8..15, 16..23 + and 24..31 has common sensor types. + +What: /sys/bus/iio/devices/iio:deviceX/events/in_voltageY_thresh_falling_value +Date: August 2015 +KernelVersion: 4.2.0 +Contact: source@cogentembedded.com +Description: + Channel Y low voltage threshold. If sensor input voltage goes lower then + this value then the threshold falling event is pushed. + Depending on in_voltageY_sensing_mode the low voltage threshold + is separately set for "GND-Open" and "Supply-Open" modes. + Channels 0..31 have common low threshold values, but could have different + sensing_modes. + + The low voltage threshold range is between 2..21V. + Hysteresis between low and high thresholds can not be lower then 2 and + can not be odd. + + If falling threshold results hysteresis to odd value then rising + threshold is automatically subtracted by one. + +What: /sys/bus/iio/devices/iio:deviceX/events/in_voltageY_thresh_rising_value +Date: August 2015 +KernelVersion: 4.2.0 +Contact: source@cogentembedded.com +Description: + Channel Y high voltage threshold. If sensor input voltage goes higher then + this value then the threshold rising event is pushed. + Depending on in_voltageY_sensing_mode the high voltage threshold + is separately set for "GND-Open" and "Supply-Open" modes. + + Channels 0..31 have common high threshold values, but could have different + sensing_modes. + + The high voltage threshold range is between 3..22V. + Hysteresis between low and high thresholds can not be lower then 2 and + can not be odd. + + If rising threshold results hysteresis to odd value then falling + threshold is automatically appended by one. |