Re: [PATCH v21 4/9] usb: dwc3: core: Refactor PHY logic to support Multiport Controller

[Johan Hovold]

On Sat, Apr 20, 2024 at 10:18:56AM +0530, Krishna Kurapati wrote:
> Currently the DWC3 driver supports only single port controller
> which requires at least one HS PHY and at most one SS PHY.
> 
> But the DWC3 USB controller can be connected to multiple ports and
> each port can have their own PHYs. Each port of the multiport
> controller can either be HS+SS capable or HS only capable
> Proper quantification of them is required to modify GUSB2PHYCFG
> and GUSB3PIPECTL registers appropriately.
> 
> DWC3 multiport controllers are capable to service at most 15 High Speed
> PHYs and 4 Supser Speed PHYs. Add support for detecting, obtaining and
> configuring PHYs supported by a multiport controller.
> 
> Signed-off-by: Krishna Kurapati <quic_kriskura@xxxxxxxxxxx>
> Reviewed-by: Bjorn Andersson <quic_bjorande@xxxxxxxxxxx>

Reviewed-by: Johan Hovold <johan+linaro@xxxxxxxxxx>