linux/Documentation/admin-guide/gpio/obsolete.rst

.. SPDX-License-Identifier: GPL-2.0

==================
Obsolete GPIO APIs
==================

.. toctree::
    :maxdepth: 1

    Character Device Userspace API (v1) <../../userspace-api/gpio/chardev_v1>
    Sysfs Interface <../../userspace-api/gpio/sysfs>
    Mockup Testing Module <gpio-mockup>