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authorVadim Fedorenko <vadfed@meta.com>2024-08-29 21:36:03 +0300
committerPaolo Abeni <pabeni@redhat.com>2024-09-03 16:37:48 +0300
commit40bec579d4c718dabc3e3baf7d84c93a89e6bcce (patch)
tree98da78027dd209f321fea1c0689ce501b0d70a20 /Documentation/ABI/testing/sysfs-timecard
parent82ace0c8fe9b025eaa273365e27057402cdaeb02 (diff)
downloadlinux-40bec579d4c718dabc3e3baf7d84c93a89e6bcce.tar.xz
docs: ABI: update OCP TimeCard sysfs entries
Update documentation according to the changes in the driver. New attributes group tty is exposed and ttyGNSS, ttyGNSS2, ttyMAC and ttyNMEA are moved to this group. Also, these attributes are no more links to the devices but rather simple text files containing names of tty devices. Signed-off-by: Vadim Fedorenko <vadfed@meta.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'Documentation/ABI/testing/sysfs-timecard')
-rw-r--r--Documentation/ABI/testing/sysfs-timecard31
1 files changed, 18 insertions, 13 deletions
diff --git a/Documentation/ABI/testing/sysfs-timecard b/Documentation/ABI/testing/sysfs-timecard
index 220478156297..3ae41b7634ac 100644
--- a/Documentation/ABI/testing/sysfs-timecard
+++ b/Documentation/ABI/testing/sysfs-timecard
@@ -258,24 +258,29 @@ Description: (RW) When retrieving the PHC with the PTP SYS_OFFSET_EXTENDED
the estimated point where the FPGA latches the PHC time. This
value may be changed by writing an unsigned integer.
-What: /sys/class/timecard/ocpN/ttyGNSS
-What: /sys/class/timecard/ocpN/ttyGNSS2
-Date: September 2021
+What: /sys/class/timecard/ocpN/tty
+Date: August 2024
+Contact: Vadim Fedorenko <vadim.fedorenko@linux.dev>
+Description: (RO) Directory containing the sysfs nodes for TTY attributes
+
+What: /sys/class/timecard/ocpN/tty/ttyGNSS
+What: /sys/class/timecard/ocpN/tty/ttyGNSS2
+Date: August 2024
Contact: Jonathan Lemon <jonathan.lemon@gmail.com>
-Description: These optional attributes link to the TTY serial ports
- associated with the GNSS devices.
+Description: (RO) These optional attributes contain names of the TTY serial
+ ports associated with the GNSS devices.
-What: /sys/class/timecard/ocpN/ttyMAC
-Date: September 2021
+What: /sys/class/timecard/ocpN/tty/ttyMAC
+Date: August 2024
Contact: Jonathan Lemon <jonathan.lemon@gmail.com>
-Description: This optional attribute links to the TTY serial port
- associated with the Miniature Atomic Clock.
+Description: (RO) This optional attribute contains name of the TTY serial
+ port associated with the Miniature Atomic Clock.
-What: /sys/class/timecard/ocpN/ttyNMEA
-Date: September 2021
+What: /sys/class/timecard/ocpN/tty/ttyNMEA
+Date: August 2024
Contact: Jonathan Lemon <jonathan.lemon@gmail.com>
-Description: This optional attribute links to the TTY serial port
- which outputs the PHC time in NMEA ZDA format.
+Description: (RO) This optional attribute contains name of the TTY serial
+ port which outputs the PHC time in NMEA ZDA format.
What: /sys/class/timecard/ocpN/utc_tai_offset
Date: September 2021