Character device (/dev/gpiochipN) support
modulename: gpiolib-cdev.ko
configname: CONFIG_GPIO_CDEV
Linux Kernel Configuration
└─>Device Drivers
└─>GPIO Support
└─>Character device (/dev/gpiochipN) support
In linux kernel since version 5.1 (release Date: 2019-05-05)
Say Y here to add the character device /dev/gpiochipN interface
for GPIOs. The character device allows userspace to control GPIOs
using ioctl() operations.
Only say N if you are sure that the GPIO character device is not
required.
If unsure, say Y.
for GPIOs. The character device allows userspace to control GPIOs
using ioctl() operations.
Only say N if you are sure that the GPIO character device is not
required.
If unsure, say Y.