VirtIO GPIO support

modulename: gpio-virtio.ko

configname: CONFIG_GPIO_VIRTIO

Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>Virtual GPIO drivers
└─>VirtIO GPIO support
In linux kernel since version 5.2 (release Date: 2019-07-07)  
Say Y here to enable guest support for virtio-based GPIO controllers.

These virtual GPIOs can be routed to real GPIOs or attached to
simulators on the host (like QEMU).

source code: