This commit adds an ABI file for TI ECAP used in capture operating mode. Signed-off-by: Julien Panis <jpanis@xxxxxxxxxxxx> --- .../ABI/testing/sysfs-bus-counter-ecap | 64 +++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-counter-ecap diff --git a/Documentation/ABI/testing/sysfs-bus-counter-ecap b/Documentation/ABI/testing/sysfs-bus-counter-ecap new file mode 100644 index 000000000000..ca530a6806de --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-counter-ecap @@ -0,0 +1,64 @@ +What: /sys/bus/counter/devices/counter0/signal0/polarity1 +What: /sys/bus/counter/devices/counter0/signal0/polarity2 +What: /sys/bus/counter/devices/counter0/signal0/polarity3 +What: /sys/bus/counter/devices/counter0/signal0/polarity4 +KernelVersion: 5.19 +Contact: jpanis@xxxxxxxxxxxx +Description: + ECAP module includes 4 timestamp capture registers. + For all 4 sequenced timestamp capture events (1->2->3->4->1->...), + edge polarity can be selected. Then, each capture register can be + tuned to capture event by either: + + - "rising" + - "falling" + + Reading returns current trigger polarity. + + Writing value before enabling capture sets trigger polarity. + +What: /sys/bus/counter/devices/counter0/signal0/polarity1_available +What: /sys/bus/counter/devices/counter0/signal0/polarity2_available +What: /sys/bus/counter/devices/counter0/signal0/polarity3_available +What: /sys/bus/counter/devices/counter0/signal0/polarity4_available +KernelVersion: 5.19 +Contact: jpanis@xxxxxxxxxxxx +Description: + Discrete set of available values for the respective polarity X + configuration are listed in this file. Values are delimited by + newline characters. + +What: /sys/bus/counter/devices/counter0/count0/enable +KernelVersion: 5.19 +Contact: jpanis@xxxxxxxxxxxx +Description: + Whether ECAP is enabled. Valid attribute values are boolean. + + This attribute is intended to serve as a start/stop mechanism + for ECAP. + +What: /sys/bus/counter/devices/counter0/count0/count +KernelVersion: 5.19 +Contact: jpanis@xxxxxxxxxxxx +Description: + Read-only attribute that indicates the current base counter value. + +What: /sys/bus/counter/devices/counter0/count0/capture1 +What: /sys/bus/counter/devices/counter0/count0/capture2 +What: /sys/bus/counter/devices/counter0/count0/capture3 +What: /sys/bus/counter/devices/counter0/count0/capture4 +KernelVersion: 5.19 +Contact: jpanis@xxxxxxxxxxxx +Description: + Read-only attributes that indicate the last timestamp captured + for the respective capture X register. + +What: /sys/bus/counter/devices/counter0/count0/capture1_component_id +What: /sys/bus/counter/devices/counter0/count0/capture2_component_id +What: /sys/bus/counter/devices/counter0/count0/capture3_component_id +What: /sys/bus/counter/devices/counter0/count0/capture4_component_id +KernelVersion: 5.19 +Contact: jpanis@xxxxxxxxxxxx +Description: + Read-only attributes that indicate the component ID of the + respective extension or synapse. -- 2.25.1
