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