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48277423e5
Similar to qcom,geni-i2c, for i2c-qup we need to vote for performance states on the VDDCX power domain to ensure that required clock rates can be generated correctly. I2C is typically used with a fixed clock rate, so a single required-opp is sufficient without a full OPP table (unlike spi-qup for example). Signed-off-by: Stephan Gerhold <stephan.gerhold@kernkonzept.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Andi Shyti <andi.shyti@kernel.org> Link: https://lore.kernel.org/r/20231128-i2c-qup-dvfs-v1-1-59a0e3039111@kernkonzept.com
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 reStructuredText 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.