CONFIG_PINCTRL_BERLIN_BG2 (not configurable)

modulename: berlin-bg2.ko

configname: CONFIG_PINCTRL_BERLIN_BG2

Linux Kernel Configuration
└─>Device Drivers
└─>Pin controllers
└─>Device Tree and Open Firmware support
└─>PINCTRL_BERLIN_BG2
In linux kernel since version 3.16 (release Date: 2014-08-03)  
source code:

depends
CONFIG_OF
CONFIG_PINCTRL
CONFIG_ARCH_BERLIN or CONFIG_COMPILE_TEST

is depended by
CONFIG_MACH_BERLIN_BG2