On Sat, 25 Jul 2020 18:36:32 -0700, Thinh Nguyen wrote: > According to the USB 3.2 spec, a super-speed-plus device can operate at > gen2x2, gen2x1, or gen1x2. If the USB controller device supports > multiple lanes at different transfer rates, the user can specify the HW > capability via these new speed strings: > > "super-speed-plus-gen2x2" > "super-speed-plus-gen2x1" > "super-speed-plus-gen1x2" > > If the argument is simply "super-speed-plus", USB controllers should > default to their maximum transfer rate and number of lanes. > > Signed-off-by: Thinh Nguyen <thinhn@xxxxxxxxxxxx> > --- > Changes in v4: > - None > Changes in v3: > - Use "maximum-speed" to include both the num-lane and transfer rate for SSP > - Remove "num-lanes" and "lane-speed-mantissa-gbps" properties > Changes in v2: > - Make "num-lanes" and "lane-speed-mantissa-gbps" common USB properties > > Documentation/devicetree/bindings/usb/generic.txt | 11 +++++++---- > 1 file changed, 7 insertions(+), 4 deletions(-) > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
