Toshiba Visconti GPIO support

modulename: gpio-visconti.ko

configname: CONFIG_GPIO_VISCONTI

Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>Memory mapped GPIO drivers
└─>Toshiba Visconti GPIO support
In linux kernel since version 5.2 (release Date: 2019-07-07)  
Say yes here to support GPIO on Tohisba Visconti.

source code:
selects
CONFIG_GPIOLIB_IRQCHIP
CONFIG_GPIO_GENERIC
CONFIG_IRQ_DOMAIN_HIERARCHY