I'm facing problem when trying to enable GPS AH1613 module on Sabre boards UART3 port(/dev/ttymxc2). Module seems to be offline, tried with gpsd and gpsctl daemonds and both gives same result. GPS is powered by gps_power_on() function in board-mx6q_sabresd.c file. This function enables 3v15 and gps_en. I added also gps_reset(first up to reset and after minor delay down to disable reset) for test if I can reset module first but got same results. So, how can I enable module correctly?