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1 | What: /sys/class/pps/ | ||
2 | Date: February 2008 | ||
3 | Contact: Rodolfo Giometti <giometti@linux.it> | ||
4 | Description: | ||
5 | The /sys/class/pps/ directory will contain files and | ||
6 | directories that will provide a unified interface to | ||
7 | the PPS sources. | ||
8 | |||
9 | What: /sys/class/pps/ppsX/ | ||
10 | Date: February 2008 | ||
11 | Contact: Rodolfo Giometti <giometti@linux.it> | ||
12 | Description: | ||
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 | |||
17 | What: /sys/class/pps/ppsX/assert | ||
18 | Date: February 2008 | ||
19 | Contact: Rodolfo Giometti <giometti@linux.it> | ||
20 | Description: | ||
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 | |||
29 | What: /sys/class/pps/ppsX/clear | ||
30 | Date: February 2008 | ||
31 | Contact: Rodolfo Giometti <giometti@linux.it> | ||
32 | Description: | ||
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 | |||
41 | What: /sys/class/pps/ppsX/mode | ||
42 | Date: February 2008 | ||
43 | Contact: Rodolfo Giometti <giometti@linux.it> | ||
44 | Description: | ||
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 | |||
51 | What: /sys/class/pps/ppsX/echo | ||
52 | Date: February 2008 | ||
53 | Contact: Rodolfo Giometti <giometti@linux.it> | ||
54 | Description: | ||
55 | The /sys/class/pps/ppsX/echo file reports if the X-th does | ||
56 | or does not support an "echo" function. | ||
57 | |||
58 | What: /sys/class/pps/ppsX/name | ||
59 | Date: February 2008 | ||
60 | Contact: Rodolfo Giometti <giometti@linux.it> | ||
61 | Description: | ||
62 | The /sys/class/pps/ppsX/name file reports the name of the | ||
63 | X-th source. | ||
64 | |||
65 | What: /sys/class/pps/ppsX/path | ||
66 | Date: February 2008 | ||
67 | Contact: Rodolfo Giometti <giometti@linux.it> | ||
68 | Description: | ||
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. | ||