SPEAR ST RTC

modulename: rtc-spear.ko

configname: CONFIG_RTC_DRV_SPEAR

Linux Kernel Configuration
└─>Device Drivers
└─>Real Time Clock
└─>SPEAR ST RTC
In linux kernel since version 3 (release Date: 2011-07-21)  
If you say Y here you will get support for the RTC found on
spear

source code:
depends
CONFIG_RTC_CLASS
CONFIG_COMPILE_TEST or CONFIG_PLAT_SPEAR