Re: [PATCH v4 06/12] usb: devicetree: Include USB SSP Gen X x Y

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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>



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