Technologic Systems FPGA I2C GPIO

modulename: gpio-ts4900.ko

configname: CONFIG_GPIO_TS4900

Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>I2C GPIO expanders
└─>Technologic Systems FPGA I2C GPIO
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Say yes here to enabled the GPIO driver for Technologic's FPGA core.
Series supported include TS-4100, TS-4900, TS-7970 and TS-7990.

source code:

depends
CONFIG_GPIOLIB
CONFIG_I2C
CONFIG_COMPILE_TEST or CONFIG_SOC_IMX6