On Wed, Aug 10, 2022 at 04:07:23PM +0200, Julien Panis wrote: > This commit adds an ABI file for TI ECAP used in capture operating mode. > > Signed-off-by: Julien Panis <jpanis@xxxxxxxxxxxx> Hi Julien, Duplicate ABIs are no longer valid, so we consolidated the Counter sysfs attributes documentation to a single sysfs-bus-counter file in commit 769841c966fd. You can document the new sysfs attributes you introduce for the TI eCAP counter driver to that sysfs-bus-counter file as well. William Breathitt Gray > --- > .../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 >
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