docs: gpio: add sysfs interface to the admin-guide
While this is stated as obsoleted, the sysfs interface described there is still valid, and belongs to the admin-guide. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Linus Walleij <linus.walleij@linaro.org>alistair/sunxi64-5.4-dsi
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@ -11,7 +11,7 @@ Description:
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Kernel code may export it for complete or partial access.
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Kernel code may export it for complete or partial access.
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GPIOs are identified as they are inside the kernel, using integers in
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GPIOs are identified as they are inside the kernel, using integers in
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the range 0..INT_MAX. See Documentation/gpio for more information.
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the range 0..INT_MAX. See Documentation/admin-guide/gpio for more information.
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/sys/class/gpio
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/sys/class/gpio
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/export ... asks the kernel to export a GPIO to userspace
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/export ... asks the kernel to export a GPIO to userspace
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@ -1,4 +1,4 @@
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:orphan:
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.. SPDX-License-Identifier: GPL-2.0
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====
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====
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gpio
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gpio
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@ -91,6 +91,7 @@ configure specific aspects of kernel behavior to your liking.
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cputopology
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cputopology
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device-mapper/index
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device-mapper/index
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efi-stub
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efi-stub
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gpio/index
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highuid
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highuid
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hw_random
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hw_random
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iostats
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iostats
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@ -316,7 +316,7 @@ specifies the path to the controller. In order to use these GPIOs in Linux
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we need to translate them to the corresponding Linux GPIO descriptors.
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we need to translate them to the corresponding Linux GPIO descriptors.
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There is a standard GPIO API for that and is documented in
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There is a standard GPIO API for that and is documented in
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Documentation/gpio/.
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Documentation/admin-guide/gpio/.
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In the above example we can get the corresponding two GPIO descriptors with
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In the above example we can get the corresponding two GPIO descriptors with
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a code like this::
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a code like this::
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@ -1,4 +1,4 @@
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Chinese translated version of Documentation/gpio
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Chinese translated version of Documentation/admin-guide/gpio
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If you have any comment or update to the content, please contact the
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If you have any comment or update to the content, please contact the
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original document maintainer directly. However, if you have a problem
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original document maintainer directly. However, if you have a problem
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@ -10,7 +10,7 @@ Maintainer: Grant Likely <grant.likely@secretlab.ca>
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Linus Walleij <linus.walleij@linaro.org>
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Linus Walleij <linus.walleij@linaro.org>
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Chinese maintainer: Fu Wei <tekkamanninja@gmail.com>
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Chinese maintainer: Fu Wei <tekkamanninja@gmail.com>
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---------------------------------------------------------------------
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---------------------------------------------------------------------
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Documentation/gpio 的中文翻译
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Documentation/admin-guide/gpio 的中文翻译
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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
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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
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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
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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
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@ -6867,7 +6867,7 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git
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S: Maintained
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S: Maintained
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F: Documentation/devicetree/bindings/gpio/
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F: Documentation/devicetree/bindings/gpio/
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F: Documentation/driver-api/gpio/
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F: Documentation/driver-api/gpio/
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F: Documentation/gpio/
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F: Documentation/admin-guide/gpio/
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F: Documentation/ABI/testing/gpio-cdev
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F: Documentation/ABI/testing/gpio-cdev
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F: Documentation/ABI/obsolete/sysfs-gpio
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F: Documentation/ABI/obsolete/sysfs-gpio
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F: drivers/gpio/
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F: drivers/gpio/
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