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Since the interrupt and I2C lines of AW2013 operate in open drain low active mode a pull-up supply is needed for correct operation. Unfortunately there is no ideal place to describe it in the DT: The pull-up needed for the I2C lines could be described on the I2C bus. However, the pull-up needed for the interrupt line belongs neither directly to the interrupt controller nor to AW2013. Since the AW2013 driver will be typically in control of the power management and interrupt masking it makes more sense to describe it inside the AW2013 device tree node. Add it to the AW2013 DT schema together with a comment that makes it clear what exactly it represents. Signed-off-by: Stephan Gerhold <stephan@gerhold.net> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Nikita Travkin <nikita@trvn.ru> Link: https://lore.kernel.org/r/20230815-aw2013-vio-v3-2-2505296b0856@gerhold.net Signed-off-by: Lee Jones <lee@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.