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

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Rob Herring wrote:
> 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@xxxxxxxxxxxx>
>> ---
>> 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@xxxxxxxxxx> because the commit is updated
>> - Rebase on Greg's usb-testing branch
>> - Update commit message
>> Changes in v5:
>> - Add Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
>> - 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@xxxxxxxxxx>

Thanks!
Thinh




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