=================================== General Purpose Input/Output (GPIO)

Contents:

.. toctree:: :maxdepth: 2

intro using-gpio driver consumer board legacy-boards drivers-on-gpio bt8xxgpio pca953x

Core

.. kernel-doc:: include/linux/gpio/driver.h :internal:

.. kernel-doc:: drivers/gpio/gpiolib.c :export:

ACPI support

.. kernel-doc:: drivers/gpio/gpiolib-acpi-core.c :export:

Device tree support

.. kernel-doc:: drivers/gpio/gpiolib-of.c :export:

Device-managed API

.. kernel-doc:: drivers/gpio/gpiolib-devres.c :export:

sysfs helpers

.. kernel-doc:: drivers/gpio/gpiolib-sysfs.c :export: