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>
