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.
74