CONFIG_ORION_TIMER (not configurable)

modulename: time-orion.ko

and/or

timer-orion.ko

configname: CONFIG_ORION_TIMER

Linux Kernel Configuration
└─>Device Drivers
└─>Clock Source drivers
└─>ORION_TIMER
In linux kernel since version 3.11 (release Date: 2013-09-02)  
source code:
drivers/clocksource/time-orion.c

depends
 or CONFIG_ARM |
NOT | CONFIG_ARCH_USES_GETTIMEOFFSET or CONFIG_GENERIC_CLOCKEVENTS

is depended by
CONFIG_ARCH_ORION5X_DT