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+===================================
+General Purpose Input/Output (GPIO)
+===================================
+
+Contents:
+
+.. toctree::
+ :maxdepth: 2
+
+ intro
+ using-gpio
+ driver
+ consumer
+ board
+ drivers-on-gpio
+ legacy
+ bt8xxgpio
+
+Core
+====
+
+.. kernel-doc:: include/linux/gpio/driver.h
+ :internal:
+
+.. kernel-doc:: drivers/gpio/gpiolib.c
+ :export:
+
+ACPI support
+============
+
+.. kernel-doc:: drivers/gpio/gpiolib-acpi.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: