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7196062b64
Add LED support for QCA8081 PHY. Documentation for this LEDs PHY is very scarce even with NDA access to Documentation for OEMs. Only the blink pattern are documented and are very confusing most of the time. No documentation is present about forcing the LED on/off or to always blink. Those settings were reversed by poking the regs and trying to find the correct bits to trigger these modes. Some bits mode are not clear and maybe the documentation option are not 100% correct. For the sake of LED support the reversed option are enough to add support for current LED APIs. Supported HW control modes are: - tx - rx - link_10 - link_100 - link_1000 - link_2500 - half_duplex - full_duplex Also add support for LED polarity set to set LED polarity to active high or low. QSDK sets this value to high by default but PHY reset value doesn't have this enabled by default. QSDK also sets 2 additional bits but their usage is not clear, info about this is added in the header. It was verified that for correct function of the LED if active high is needed, only BIT 6 is needed. Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://lore.kernel.org/r/20240125203702.4552-6-ansuelsmth@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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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.