TWL4030, TWL5030, and TPS659x0 GPIOs

modulename: gpio-twl4030.ko

configname: CONFIG_GPIO_TWL4030

Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>MFD GPIO expanders
└─>TWL4030, TWL5030, and TPS659x0 GPIOs
In linux kernel since version 2.6.28 (release Date: 2008-12-24)  
Say yes here to access the GPIO signals of various multi-function
power management chips from Texas Instruments.

source code:
drivers/gpio/gpio-twl4030.c