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| author |   Rodolfo Giometti <giometti@enneenne.com> | 2024-11-08 08:31:15 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-01-08 13:18:09 +0100 |
| commit | b3b9b3cccb32a6df2f3f9f3177b06de628939cb7 (patch) | |
| tree | a4ed783d014b15718d6c402d3f8e080702f2a5cf | |
| parent | Documentation pps.rst: add PPS generators documentation (diff) | |
| download | wireguard-linux-b3b9b3cccb32a6df2f3f9f3177b06de628939cb7.tar.xz wireguard-linux-b3b9b3cccb32a6df2f3f9f3177b06de628939cb7.zip | |
Documentation ABI: add PPS generators documentation
This patch adds the documentation for the ABI between the Linux kernel
and userspace regarding the PPS generators.
Signed-off-by: Rodolfo Giometti <giometti@enneenne.com>
Link: https://lore.kernel.org/r/20241108073115.759039-5-giometti@enneenne.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | Documentation/ABI/testing/sysfs-pps-gen | 43 | ||||
| -rw-r--r-- | MAINTAINERS | 1 |
2 files changed, 44 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-pps-gen b/Documentation/ABI/testing/sysfs-pps-gen new file mode 100644 index 000000000000..2519207b88fd --- /dev/null +++ b/Documentation/ABI/testing/sysfs-pps-gen @@ -0,0 +1,43 @@ +What: /sys/class/pps-gen/ +Date: February 2025 +KernelVersion: 6.13 +Contact: Rodolfo Giometti <giometti@enneenne.com> +Description: + The /sys/class/pps-gen/ directory contains files and + directories that provide a unified interface to the PPS + generators. + +What: /sys/class/pps-gen/pps-genX/ +Date: February 2025 +KernelVersion: 6.13 +Contact: Rodolfo Giometti <giometti@enneenne.com> +Description: + The /sys/class/pps-gen/pps-genX/ directory is related to X-th + PPS generator in the system. Each directory contain files to + manage and control its PPS generator. + +What: /sys/class/pps-gen/pps-genX/enable +Date: February 2025 +KernelVersion: 6.13 +Contact: Rodolfo Giometti <giometti@enneenne.com> +Description: + This write-only file enables or disables generation of the + PPS signal. + +What: /sys/class/pps-gen/pps-genX/system +Date: February 2025 +KernelVersion: 6.13 +Contact: Rodolfo Giometti <giometti@enneenne.com> +Description: + This read-only file returns "1" if the generator takes the + timing from the system clock, while it returns "0" if not + (i.e. from a peripheral device clock). + +What: /sys/class/pps-gen/pps-genX/time +Date: February 2025 +KernelVersion: 6.13 +Contact: Rodolfo Giometti <giometti@enneenne.com> +Description: + This read-only file contains the current time stored into the + generator clock as two integers representing the current time + seconds and nanoseconds. diff --git a/MAINTAINERS b/MAINTAINERS index 530eca844bd4..668ccb91b393 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -18715,6 +18715,7 @@ L: linuxpps@ml.enneenne.com (subscribers-only) S: Maintained W: http://wiki.enneenne.com/index.php/LinuxPPS_support F: Documentation/ABI/testing/sysfs-pps +F: Documentation/ABI/testing/sysfs-pps-gen F: Documentation/devicetree/bindings/pps/pps-gpio.yaml F: Documentation/driver-api/pps.rst F: drivers/pps/ |