Basic memory-mapped GPIO controllers support
modulename: basic_mmio_gpio.ko
configname: CONFIG_GPIO_BASIC_MMIO
Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>Basic memory-mapped GPIO controllers support
In linux kernel since version 2.6.37 (release Date: 2011-01-04)
Say yes here to support basic memory-mapped GPIO controllers.