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CONFIG_GPIO_CDEV: Character device (/dev/gpiochipN) support

General informations

The Linux kernel configuration item CONFIG_GPIO_CDEV:

Help text

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.

Hardware

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