Re: [PATCH 2/2] dt-bindings: usb: cdns,usb3: Add support for USBSSP

[Peter Chen <peter.chen@cixtech.com>]

On 26-03-02 09:03:25, Pawel Laszczak wrote:
> EXTERNAL EMAIL
> 
> Hi Peter,
> 
> >
> >The USBSSP is the next-generation Cadence USB controller IP. It adds SuperSpeed
> >Plus (USB 3.1 gen2x1, 10 Gbps) support and uses an XHCI-based device
> >controller. The register layout and resource model (otg/xhci/dev memory
> >regions; host/peripheral/otg interrupts) are identical to the USBSS, so both
> >controllers share the same binding and the same platform driver (cdns3-plat.c).
> >
> 
> Include the change for the wakeup interrupt in the next version.
> Unlike the legacy USBSS, the USBSSP IP handles device-mode wakeup events
> natively through the xHCI-based Event Ring via TRBs, rather than using a
> dedicated sideband interrupt line. This integration aligns the wakeup mechanism
> with the standard xHCI event processing, making the separate "wakeup"
> interrupt property unnecessary for this variant.
> 

Thanks for your suggestion. This "wakeup" interrupt is not related to
controller, it is the glue layer logic that detecting dp/dm/id/vbus or
rx changes.

-- 

Best regards,
Peter