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[ Upstream commitc3b9ab5db1] The Wifi chip should be clocked by a 32kHz clock coming from i.MX7D CLKO2 output pin, so describe the pinmux and clock hierarchy in the device tree to allow the Wifi chip to be properly clocked. Managed to successfully test Wifi with such change. Used the standard nvram.txt file provided by TechNexion, which selects an external 32kHz clock for the Wifi chip by default. Fixes:99a52450c7("ARM: dts: imx7d-pico: Add Wifi support") Suggested-by: Arend van Spriel <arend.vanspriel@broadcom.com> Tested-by: Otavio Salvador <otavio@ossystems.com.br> Signed-off-by: Fabio Estevam <festevam@gmail.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org> Signed-off-by: Sasha Levin <sashal@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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.