BRCMSTB GPIO support

modulename: gpio-brcmstb.ko

configname: CONFIG_GPIO_BRCMSTB

Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>Memory mapped GPIO drivers
└─>BRCMSTB GPIO support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say yes here to enable GPIO support for Broadcom STB (BCM7XXX) SoCs.

source code:
drivers/gpio/gpio-brcmstb.c
selects
CONFIG_GPIO_GENERIC
CONFIG_IRQ_DOMAIN