Re: [PATCH v7 1/6] dt-binding: usb: Include USB SSP rates in GenXxY

[Rob Herring <robh@kernel.org>]

On Tue, 19 Jan 2021 17:36:08 -0800, Thinh Nguyen wrote:
> According to the USB 3.2 spec, a SuperSpeed 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 <Thinh.Nguyen@synopsys.com>
> ---
> Changes in v7:
> - Rebase on Greg's usb-testing branch
> Changes in v6:
> - Update the different maximum_speed enums to the usb.yaml
> - Remove Reviewed-by: Rob Herring <robh@kernel.org> because the commit is updated
> - Rebase on Greg's usb-testing branch
> - Update commit message
> Changes in v5:
> - Add Reviewed-by: Rob Herring <robh@kernel.org>
> - Rebase on Felipe's testing/next branch
> - Changed Signed-off-by email to match From: email header
> 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/usb.yaml | 3 +++
>  1 file changed, 3 insertions(+)
> 

Reviewed-by: Rob Herring <robh@kernel.org>