Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> writes: > USB Type-C Connector System Software Interface (UCSI) is > specification that defines the registers and data structures > that can be used to control USB Type-C ports on a system. > UCSI is used on several Intel Broxton SoC based platforms. > Things that UCSI can be used to control include at least USB > Data Role swapping, Power Role swapping and controlling of > Alternate Modes on top of providing general details about > the port and the partners that are attached to it. > > The initial purpose of the UCSI driver is to make sure USB > is in host mode on desktop and server systems that are USB > dual role capable, and provide UCSI interface. > > The goal is to integrate the driver later to an USB Type-C > framework for Linux kernel, and at the same time add support > for more extensive USB Type-C port control that UCSI offers, > for example data role swapping, power role swapping, > Alternate Mode control etc. > > The UCSI specification is public can be obtained from here: > http://www.intel.com/content/www/us/en/io/universal-serial-bus/usb-type-c-ucsi-spec.html > > Signed-off-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> Reviewed-by: Felipe Balbi <balbi@xxxxxxxxxx> -- balbi
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