ST-Ericsson DB8500 Power Reset Control Management Unit

modulename: db8500-prcmu.ko

configname: CONFIG_MFD_DB8500_PRCMU

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>ST-Ericsson DB8500 Power Reset Control Management Unit
In linux kernel since version 3 (release Date: 2011-07-21)  
Select this option to enable support for the DB8500 Power Reset
and Control Management Unit. This is basically an autonomous
system controller running an XP70 microprocessor, which is accessed
through a register map.

source code: