Package: linuxptp

"linuxptp" package binaries on CentOS:

/usr/sbin/hwstamp_ctl /usr/sbin/phc2sys /usr/sbin/phc_ctl /usr/sbin/pmc /usr/sbin/ptp4l /usr/sbin/timemaster

You may install this package on CentOS with yum install linuxptp