Allwinner A31/A23/A33 PRCM controller

modulename: sun6i-prcm.ko

configname: CONFIG_MFD_SUN6I_PRCM

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>Allwinner A31/A23/A33 PRCM controller
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Support for the PRCM (Power/Reset/Clock Management) unit available
in the A31, A23, and A33 SoCs. Other Allwinner SoCs contain similar
hardware, but they do not use this driver.

source code:
selects
CONFIG_MFD_CORE

depends
CONFIG_HAS_IOMEM
CONFIG_ARCH_SUNXI or CONFIG_COMPILE_TEST