On 08/10/2024 13:59, Joy Chakraborty wrote: >>> >>>> >>>>> + description: When set core will set Tx de-emphasis for USB Gen2 >>>> >>>> And why it cannot be implied by compatible? >>> >>> As per my understanding these are tuning coefficients for de-emphasis >>> particular to a platform and not the dwc3 controller, hence should not >>> be a controller compatible. >> >> Platforms must have specific compatible, so this should be implied by >> compatible. > > Maybe I am using the word "platform" incorrectly here, what I > understand is that the same controller(in a chip) when used on 2 > different physical form factors might need different deemphasis You mean boards? This is board-level property? > coefficient values to be passed to its Phy. Someone could correct me > from the USB link stand point if I am mistaken here. > Then please point me to the upstream DTS boards using these properties. Lore link is enough, if board or DTS change is being upstreamed. Best regards, Krzysztof
