Kernel code may export it for complete or partial access.
GPIOs are identified as they are inside the kernel, using integers in
- the range 0..INT_MAX. See Documentation/gpio for more information.
+ the range 0..INT_MAX. See Documentation/admin-guide/gpio for more information.
/sys/class/gpio
/export ... asks the kernel to export a GPIO to userspace
-:orphan:
+.. SPDX-License-Identifier: GPL-2.0
====
gpio
cputopology
device-mapper/index
efi-stub
+ gpio/index
highuid
hw_random
iostats
we need to translate them to the corresponding Linux GPIO descriptors.
There is a standard GPIO API for that and is documented in
-Documentation/gpio/.
+Documentation/admin-guide/gpio/.
In the above example we can get the corresponding two GPIO descriptors with
a code like this::
-Chinese translated version of Documentation/gpio
+Chinese translated version of Documentation/admin-guide/gpio
If you have any comment or update to the content, please contact the
original document maintainer directly. However, if you have a problem
Linus Walleij <linus.walleij@linaro.org>
Chinese maintainer: Fu Wei <tekkamanninja@gmail.com>
---------------------------------------------------------------------
-Documentation/gpio 的中文翻译
+Documentation/admin-guide/gpio 的中文翻译
如果想评论或更新本文的内容,请直接联系原文档的维护者。如果你使用英文
交流有困难的话,也可以向中文版维护者求助。如果本翻译更新不及时或者翻
S: Maintained
F: Documentation/devicetree/bindings/gpio/
F: Documentation/driver-api/gpio/
-F: Documentation/gpio/
+F: Documentation/admin-guide/gpio/
F: Documentation/ABI/testing/gpio-cdev
F: Documentation/ABI/obsolete/sysfs-gpio
F: drivers/gpio/