|  | What:		/sys/class/pps/ | 
|  | Date:		February 2008 | 
|  | Contact:	Rodolfo Giometti <giometti@linux.it> | 
|  | Description: | 
|  | The /sys/class/pps/ directory will contain files and | 
|  | directories that will provide a unified interface to | 
|  | the PPS sources. | 
|  |  | 
|  | What:		/sys/class/pps/ppsX/ | 
|  | Date:		February 2008 | 
|  | Contact:	Rodolfo Giometti <giometti@linux.it> | 
|  | Description: | 
|  | The /sys/class/pps/ppsX/ directory is related to X-th | 
|  | PPS source into the system. Each directory will | 
|  | contain files to manage and control its PPS source. | 
|  |  | 
|  | What:		/sys/class/pps/ppsX/assert | 
|  | Date:		February 2008 | 
|  | Contact:	Rodolfo Giometti <giometti@linux.it> | 
|  | Description: | 
|  | The /sys/class/pps/ppsX/assert file reports the assert events | 
|  | and the assert sequence number of the X-th source in the form: | 
|  |  | 
|  | <secs>.<nsec>#<sequence> | 
|  |  | 
|  | If the source has no assert events the content of this file | 
|  | is empty. | 
|  |  | 
|  | What:		/sys/class/pps/ppsX/clear | 
|  | Date:		February 2008 | 
|  | Contact:	Rodolfo Giometti <giometti@linux.it> | 
|  | Description: | 
|  | The /sys/class/pps/ppsX/clear file reports the clear events | 
|  | and the clear sequence number of the X-th source in the form: | 
|  |  | 
|  | <secs>.<nsec>#<sequence> | 
|  |  | 
|  | If the source has no clear events the content of this file | 
|  | is empty. | 
|  |  | 
|  | What:		/sys/class/pps/ppsX/mode | 
|  | Date:		February 2008 | 
|  | Contact:	Rodolfo Giometti <giometti@linux.it> | 
|  | Description: | 
|  | The /sys/class/pps/ppsX/mode file reports the functioning | 
|  | mode of the X-th source in hexadecimal encoding. | 
|  |  | 
|  | Please, refer to linux/include/linux/pps.h for further | 
|  | info. | 
|  |  | 
|  | What:		/sys/class/pps/ppsX/echo | 
|  | Date:		February 2008 | 
|  | Contact:	Rodolfo Giometti <giometti@linux.it> | 
|  | Description: | 
|  | The /sys/class/pps/ppsX/echo file reports if the X-th does | 
|  | or does not support an "echo" function. | 
|  |  | 
|  | What:		/sys/class/pps/ppsX/name | 
|  | Date:		February 2008 | 
|  | Contact:	Rodolfo Giometti <giometti@linux.it> | 
|  | Description: | 
|  | The /sys/class/pps/ppsX/name file reports the name of the | 
|  | X-th source. | 
|  |  | 
|  | What:		/sys/class/pps/ppsX/path | 
|  | Date:		February 2008 | 
|  | Contact:	Rodolfo Giometti <giometti@linux.it> | 
|  | Description: | 
|  | The /sys/class/pps/ppsX/path file reports the path name of | 
|  | the device connected with the X-th source. | 
|  |  | 
|  | If the source is not connected with any device the content | 
|  | of this file is empty. |