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fbfb9a60d5
Convert the gpio-keys and gpio-keys-polled bindings to a DT schema. As both bindings are almost the same, combine them into a single schema. The binding said 'interrupts' was required, but testing on dts files showed that it isn't required. 'linux,input-value' was only documented for gpio-keys-polled, but there doesn't seem to be any reason for it to be specific to that. It can work for gpio-keys too if the GPIO line(s) are available. Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.