This commit adds capture items to counter ABI file (e.g. TI ECAP used in capture operating mode). Signed-off-by: Julien Panis <jpanis@xxxxxxxxxxxx> --- Documentation/ABI/testing/sysfs-bus-counter | 49 +++++++++++++++++++++ 1 file changed, 49 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-counter b/Documentation/ABI/testing/sysfs-bus-counter index 06c2b3e27e0b..52ddec7cc76a 100644 --- a/Documentation/ABI/testing/sysfs-bus-counter +++ b/Documentation/ABI/testing/sysfs-bus-counter @@ -203,6 +203,24 @@ Description: both edges: Any state transition. +What: /sys/bus/counter/devices/counterX/countY/count_cumul +KernelVersion: 6.0 +Contact: jpanis@xxxxxxxxxxxx +Description: + Read-only attribute that indicates the raw cumulated count + since count Y start, computed as follow: + count_cumul = (max_counter_val + 1) * nb_counter_overflows + +What: /sys/bus/counter/devices/counterX/countY/captureZ +KernelVersion: 6.0 +Contact: jpanis@xxxxxxxxxxxx +Description: + Read-only attributes that indicate the last raw timestamp captured + for the respective capture Z register. + Raw timestamp can be converted to nanoseconds as follow: + time_ns = 10^9 * (captureZ + count_cumul) / frequency + count_cumul and frequency parameters are described in this document. + What: /sys/bus/counter/devices/counterX/countY/ceiling_component_id What: /sys/bus/counter/devices/counterX/countY/floor_component_id What: /sys/bus/counter/devices/counterX/countY/count_mode_component_id @@ -213,6 +231,8 @@ What: /sys/bus/counter/devices/counterX/countY/prescaler_component_id What: /sys/bus/counter/devices/counterX/countY/preset_component_id What: /sys/bus/counter/devices/counterX/countY/preset_enable_component_id What: /sys/bus/counter/devices/counterX/countY/signalZ_action_component_id +What: /sys/bus/counter/devices/counterX/countY/count_cumul_component_id +What: /sys/bus/counter/devices/counterX/countY/captureZ_component_id What: /sys/bus/counter/devices/counterX/signalY/cable_fault_component_id What: /sys/bus/counter/devices/counterX/signalY/cable_fault_enable_component_id What: /sys/bus/counter/devices/counterX/signalY/filter_clock_prescaler_component_id @@ -345,3 +365,32 @@ Description: via index_polarity. The index function (as enabled via preset_enable) is performed synchronously with the quadrature clock on the active level of the index input. + +What: /sys/bus/counter/devices/counterX/signalY/polarityZ +KernelVersion: 6.0 +Contact: jpanis@xxxxxxxxxxxx +Description: + Capture modules include N timestamp capture registers. + For all N sequenced timestamp capture events + (1->2->3->...->N->1->...), edge polarity can be selected. + The following polarities are available: + + rising edge: + Low state transitions to high state. + + falling edge: + High state transitions to low state. + +What: /sys/bus/counter/devices/counterX/signalY/polarityZ_available +KernelVersion: 6.0 +Contact: jpanis@xxxxxxxxxxxx +Description: + Discrete set of available values for the respective polarity Z + configuration are listed in this file. Values are delimited by + newline characters. + +What: /sys/bus/counter/devices/counterX/signalY/frequency +KernelVersion: 6.0 +Contact: jpanis@xxxxxxxxxxxx +Description: + Read-only attribute that indicates the signal Y frequency, in Hz. -- 2.25.1
