On 29/08/2023 09:19, Wesley Cheng wrote: >>> >>> This is a XHCI feature, but the DWC3 design is built in a way that DWC3 >>> host initializes the XHCI device and populates the properties associated >>> to XHCI dev. >> >> You speak about driver now, not bindings. If driver has limitations, >> change it. Not really problem of bindings. >> > > Its the limitation of the HW. Depending on how the SNPS DWC3 controller > was implemented the vendor it can support less than the value mentioned > in the Synopsys databook. Then what is "XHCI dev"? A Linux device? Then a driver topic. What is "populates the properties" - what or whose properties? Of Linux device? Then a driver topic... Best regards, Krzysztof