15054626aSKent Gibson.. SPDX-License-Identifier: GPL-2.0 25054626aSKent Gibson 35054626aSKent Gibson============================ 45054626aSKent GibsonObsolete GPIO Userspace APIs 55054626aSKent Gibson============================ 65054626aSKent Gibson 75054626aSKent Gibson.. toctree:: 85054626aSKent Gibson :maxdepth: 1 95054626aSKent Gibson 1016b2bb7fSKent Gibson Character Device Userspace API (v1) <chardev_v1> 115054626aSKent Gibson Sysfs Interface <sysfs> 12