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c38528812c
orientation-switch is the standard declaration to inform the Type-C mux layer that a remote-endpoint is capable of processing orientation change messages. The USB PHY on gs101 needs to be configured based on the orientation of the connector. For that the DTS needs a link between the phy's port and a TCPCi, and we'll need to inform the phy driver that it should handle the orientation (register a handler). Update the schema to enforce that by requiring the orientation-switch and port properties on gs101 (only). We disallow orientation-switch on all other supported platforms, since other versions of this phy (or its system integration) don't currently support or even need it. Even though this new required gs101 property is an ABI break, the intention for the driver is to behave as before if it's missing (meaning for gs101 it will work in SS mode in one orientation only). Other platforms are not affected. Reviewed-by: Peter Griffin <peter.griffin@linaro.org> Signed-off-by: André Draszik <andre.draszik@linaro.org> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Tested-by: Will McVicker <willmcvicker@google.com> Link: https://lore.kernel.org/r/20241206-gs101-phy-lanes-orientation-phy-v4-2-f5961268b149@linaro.org Signed-off-by: Vinod Koul <vkoul@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 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.