This adds documentation for new counter subsystem edge_capture_unit_* sysfs attributes. Signed-off-by: David Lechner <david@xxxxxxxxxxxxxx> --- Documentation/ABI/testing/sysfs-bus-counter | 37 +++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-counter b/Documentation/ABI/testing/sysfs-bus-counter index 78bb1a501007..6c192c8c2b55 100644 --- a/Documentation/ABI/testing/sysfs-bus-counter +++ b/Documentation/ABI/testing/sysfs-bus-counter @@ -59,6 +59,7 @@ What: /sys/bus/counter/devices/counterX/countY/error_noise_available What: /sys/bus/counter/devices/counterX/countY/function_available What: /sys/bus/counter/devices/counterX/countY/prescaler_available What: /sys/bus/counter/devices/counterX/countY/signalZ_action_available +What: /sys/bus/counter/devices/counterX/edge_capture_unit_prescaler_available What: /sys/bus/counter/devices/counterX/latch_mode_available What: /sys/bus/counter/devices/counterX/signalY/index_polarity_available What: /sys/bus/counter/devices/counterX/signalY/synchronous_mode_available @@ -230,6 +231,10 @@ What: /sys/bus/counter/devices/counterX/signalY/cable_fault_enable_component_id What: /sys/bus/counter/devices/counterX/signalY/filter_clock_prescaler_component_id What: /sys/bus/counter/devices/counterX/signalY/index_polarity_component_id What: /sys/bus/counter/devices/counterX/signalY/synchronous_mode_component_id +What: /sys/bus/counter/devices/edge_capture_unit_enable_component_id +What: /sys/bus/counter/devices/edge_capture_unit_latched_period_component_id +What: /sys/bus/counter/devices/edge_capture_unit_max_period_component_id +What: /sys/bus/counter/devices/edge_capture_unit_prescaler_component_id What: /sys/bus/counter/devices/latch_mode_component_id What: /sys/bus/counter/devices/unit_timer_enable_component_id What: /sys/bus/counter/devices/unit_timer_period_component_id @@ -249,6 +254,38 @@ Description: shorter or equal to configured value are ignored. Value 0 means filter is disabled. +What: /sys/bus/counter/devices/edge_capture_unit_enable +KernelVersion: 5.16 +Contact: linux-iio@xxxxxxxxxxxxxxx +Description: + Read/write attribute that starts or stops the Edge Capture Unit. + Valid values are boolean. + +What: /sys/bus/counter/devices/edge_capture_unit_latched_period +KernelVersion: 5.16 +Contact: linux-iio@xxxxxxxxxxxxxxx +Description: + Latched period of the Edge Capture Unit represented as a string. + The value is latched in based on the trigger selected by the + counterX/latch_mode attribute. Units are nanoseconds. + +What: /sys/bus/counter/devices/edge_capture_unit_max_period +KernelVersion: 5.16 +Contact: linux-iio@xxxxxxxxxxxxxxx +Description: + Read/write attribute that selects the maximum period that can + be measured by the Edge Capture Unit. Units are nanoseconds. + +What: /sys/bus/counter/devices/edge_capture_unit_prescaler +KernelVersion: 5.16 +Contact: linux-iio@xxxxxxxxxxxxxxx +Description: + Read/write attribute that selects the how the + counterX/countY/count value is scaled coming in to the Edge + Capture Unit. This acts like a clock divider, e.g. if a value + of 4 is selected, the Edge Capture Unit will measure the period + between every 4 counts. + What: /sys/bus/counter/devices/counterX/events_queue_size KernelVersion: 5.16 Contact: linux-iio@xxxxxxxxxxxxxxx -- 2.25.1
