CONFIG_GPIO_BASIC_MMIO_CORE (not configurable)

modulename: basic_mmio_gpio.ko

configname: CONFIG_GPIO_BASIC_MMIO_CORE

Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>GPIO_BASIC_MMIO_CORE
In linux kernel since version 3 (release Date: 2011-07-21)  
Provides core functionality for basic memory-mapped GPIO controllers.

source code:
depends
CONFIG_GPIOLIB

is depended by
CONFIG_GPIO_BASIC_MMIO