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1What: /sys/class/pps/
2Date: February 2008
3Contact: Rodolfo Giometti <giometti@linux.it>
4Description:
5 The /sys/class/pps/ directory will contain files and
6 directories that will provide a unified interface to
7 the PPS sources.
8
9What: /sys/class/pps/ppsX/
10Date: February 2008
11Contact: Rodolfo Giometti <giometti@linux.it>
12Description:
13 The /sys/class/pps/ppsX/ directory is related to X-th
14 PPS source into the system. Each directory will
15 contain files to manage and control its PPS source.
16
17What: /sys/class/pps/ppsX/assert
18Date: February 2008
19Contact: Rodolfo Giometti <giometti@linux.it>
20Description:
21 The /sys/class/pps/ppsX/assert file reports the assert events
22 and the assert sequence number of the X-th source in the form:
23
24 <secs>.<nsec>#<sequence>
25
26 If the source has no assert events the content of this file
27 is empty.
28
29What: /sys/class/pps/ppsX/clear
30Date: February 2008
31Contact: Rodolfo Giometti <giometti@linux.it>
32Description:
33 The /sys/class/pps/ppsX/clear file reports the clear events
34 and the clear sequence number of the X-th source in the form:
35
36 <secs>.<nsec>#<sequence>
37
38 If the source has no clear events the content of this file
39 is empty.
40
41What: /sys/class/pps/ppsX/mode
42Date: February 2008
43Contact: Rodolfo Giometti <giometti@linux.it>
44Description:
45 The /sys/class/pps/ppsX/mode file reports the functioning
46 mode of the X-th source in hexadecimal encoding.
47
48 Please, refer to linux/include/linux/pps.h for further
49 info.
50
51What: /sys/class/pps/ppsX/echo
52Date: February 2008
53Contact: Rodolfo Giometti <giometti@linux.it>
54Description:
55 The /sys/class/pps/ppsX/echo file reports if the X-th does
56 or does not support an "echo" function.
57
58What: /sys/class/pps/ppsX/name
59Date: February 2008
60Contact: Rodolfo Giometti <giometti@linux.it>
61Description:
62 The /sys/class/pps/ppsX/name file reports the name of the
63 X-th source.
64
65What: /sys/class/pps/ppsX/path
66Date: February 2008
67Contact: Rodolfo Giometti <giometti@linux.it>
68Description:
69 The /sys/class/pps/ppsX/path file reports the path name of
70 the device connected with the X-th source.
71
72 If the source is not connected with any device the content
73 of this file is empty.