AMD CS5535 and CS5536 southbridge core functions

modulename: cs5535-mfd.ko

configname: CONFIG_MFD_CS5535

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>AMD CS5535 and CS5536 southbridge core functions
In linux kernel since version 2.6.38 (release Date: 2011-03-14)  
This is the core driver for CS5535/CS5536 MFD functions. This is
necessary for using the board's GPIO and MFGPT functionality.

source code:
selects
CONFIG_MFD_CORE

depends
CONFIG_HAS_IOMEM
CONFIG_PCI
CONFIG_X86_32 or CONFIG_COMPILE_TEST
CONFIG_X86

is selected by
CONFIG_OLPC_XO1_PM