projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| eae9d2ba RG |
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. |