> Am 09.04.2022 um 15:15 schrieb Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>: > > On 09/04/2022 15:05, H. Nikolaus Schaller wrote: >>> >>> This looks wrong, the block usually should have a specific compatible. >>> Please mention why it does not. >> >> Well, I did not even have that idea that it could need an explanation. >> >> There is no "ingenic,jz4780-otg" and none is needed here to make it work. > > Make it work in what terms? We talk about hardware description, right? Yes. > >> >> Therefore the generic "snps,dwc2" is sufficient. > > No, you are mixing now driver behavior (is sufficient) with hardware > description. No. "snps,dwc2" is a hardware description for a licensed block. Not a driver behavior. > Most of licensed blocks require the specific compatible to > differentiate it. If there is a need to differentiate.