[PATCH v4 17/18] platform/chrome: cros_ec_typec: Support DP muxing

[Tzung-Bi Shih]

On Sat, Aug 31, 2024 at 09:06:55PM -0700, Stephen Boyd wrote:
> Most ARM based chromebooks with two usb-c-connector nodes and one DP
> controller are muxing the DP lanes between the two USB ports. This is
> done so that the type-c ports are at least equal in capability if not
> functionality. Either an analog mux is used to steer the DP signal to
> one or the other port, or a DP bridge chip has two lanes (e.g. DP
> ML0/ML1) wired to one type-c port while the other two (e.g. DP ML2/ML3)
> are wired to another type-c port.
> 
> [...]
> 
> Cc: Prashant Malani <pmalani at chromium.org>
> Cc: Benson Leung <bleung at chromium.org>
> Cc: Tzung-Bi Shih <tzungbi at kernel.org>
> Cc: <chrome-platform at lists.linux.dev>
> Cc: Pin-yen Lin <treapking at chromium.org>
> Signed-off-by: Stephen Boyd <swboyd at chromium.org>

Reviewed-by: Tzung-Bi Shih <tzungbi at kernel.org>