Aspeed GPIO support

modulename: gpio-aspeed.ko

configname: CONFIG_GPIO_ASPEED

Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>Memory mapped GPIO drivers
└─>Aspeed GPIO support
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Say Y here to support Aspeed AST2400 and AST2500 GPIO controllers.

source code: