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The text in this new document is a response to recurring questions about the GPIO in-kernel API vs the userspace ABI. When do you use one or the other? It can be a bit intuitive, but I tried to sum it all up. Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Link: https://lore.kernel.org/r/20200108001712.47500-1-linus.walleij@linaro.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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50 lines
733 B
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===================================
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General Purpose Input/Output (GPIO)
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===================================
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Contents:
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.. toctree::
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:maxdepth: 2
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intro
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using-gpio
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driver
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consumer
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board
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drivers-on-gpio
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legacy
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bt8xxgpio
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Core
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====
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.. kernel-doc:: include/linux/gpio/driver.h
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:internal:
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.. kernel-doc:: drivers/gpio/gpiolib.c
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:export:
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ACPI support
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============
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.. kernel-doc:: drivers/gpio/gpiolib-acpi.c
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:export:
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Device tree support
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===================
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.. kernel-doc:: drivers/gpio/gpiolib-of.c
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:export:
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Device-managed API
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==================
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.. kernel-doc:: drivers/gpio/gpiolib-devres.c
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:export:
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sysfs helpers
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=============
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.. kernel-doc:: drivers/gpio/gpiolib-sysfs.c
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:export:
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