1.. SPDX-License-Identifier: GPL-2.0 2 3================== 4Obsolete GPIO APIs 5================== 6 7.. toctree:: 8 :maxdepth: 1 9 10 Character Device Userspace API (v1) <../../userspace-api/gpio/chardev_v1> 11 Sysfs Interface <../../userspace-api/gpio/sysfs> 12 Mockup Testing Module <gpio-mockup> 13 14