| Rodolfo Giometti | eae9d2b | 2009-06-17 16:28:37 -0700 | [diff] [blame] | 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. |