CONFIG_ATMEL_ST (not configurable)

modulename: timer-atmel-st.ko

configname: CONFIG_ATMEL_ST

Linux Kernel Configuration
└─>Device Drivers
└─>Clock Source drivers
└─>ATMEL_ST
In linux kernel since version 4.1 (release Date: 2015-06-21)  
source code:
drivers/clocksource/timer-atmel-st.c


is depended by
CONFIG_SOC_AT91RM9200