i.MX GPIO support

modulename: gpio-mxc.ko

configname: CONFIG_GPIO_MXC

Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>Memory mapped GPIO drivers
└─>i.MX GPIO support
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code:
drivers/gpio/gpio-mxc.c
selects
CONFIG_GPIO_GENERIC
CONFIG_GENERIC_IRQ_CHIP

depends
CONFIG_GPIOLIB
CONFIG_HAS_IOMEM
CONFIG_ARCH_MXC or CONFIG_COMPILE_TEST