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71793b579b
In the Qualcomm platforms the USB/DP PHY handles muxing and orientation switching of the SuperSpeed lines, but the SBU lines needs to be connected and switched by external (to the SoC) hardware. It's therefor necessary to be able to have the TypeC controller operate multiple TypeC muxes and switches. Use the newly introduced indirection object to handle this, to avoid having to taint the TypeC controllers with knowledge about the downstream hardware configuration. The max number of devs per indirection is set to 3, which account for being able to mux/switch the USB HS, SS and SBU lines, as per defined defined in the usb-c-connector binding. This number could be grown if need arrises at a later point in time. Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/20220422222351.1297276-6-bjorn.andersson@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| README | ||
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.