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 4.1 (release Date: 2015-06-21)  
Say yes here to enable GPIO support for Broadcom STB (BCM7XXX) SoCs.

source code:
selects
CONFIG_GPIO_GENERIC
CONFIG_IRQ_DOMAIN