Introduce a general USB hub binding that describes downstream ports
and hard wired USB devices for on-board USB hubs.
Signed-off-by: Pin-yen Lin <treapking@chromium.org>
Reviewed-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250422082957.2058229-2-treapking@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
