On 12/7/2016 4:44 AM, Felipe Balbi wrote: > > Hi, > > Roger Quadros <rog...@ti.com> writes: >>>> Roger Quadros <rog...@ti.com> writes: >>>>> DCFG.DEVSPD == 0x3 is not valid and we need to set >>>>> DCFG.DEVSPD to 0x1 for full speed mode. >>>> >>>> seems like it has been made invalid somewhere between 1.73a and >>>> 2.60a. Can you figure it out from Documentation why and when it was made >>>> invalid? We might need revision checks here. >>>> >>> >>> I'll try to dig out more. >> >> I couldn't figure out more information on this. The changelogs in the TRMs >> don't capture this change and I don't have access to all TRM versions >> so I can't say which version it got changed and why. >> >> Can we please involve someone from Synopsis to provide this information? >> Thanks. > > John, could you help us with this query? We'd like to understand why one > of the FULLSPEED modes got removed. Do we need a revision check or can > we assume that the other mode was never supposed to be used? >
Full speed is 0x1. 0x3 may still work due to how the bits are checked. But it definitely should be 0x1. I'm not sure if it was 0x3 before. I still need to confirm whether that was the case or not and if so why. Regards, John
