Roger, On 25/04/23 5:15 pm, Roger Quadros wrote: > Hi, > > On 31/03/2023 12:00, Ravi Gunasekaran wrote: >> From: Aswath Govindraju <a-govindraju@xxxxxx> >> >> Configure first lane to PCIe, the second lane to USB and the last two lanes >> to eDP. Also, add sub-nodes to SERDES0 DT node to represent SERDES0 is >> connected to PCIe. > > Is USB0 expected to work in super-speed on this board? > If yes then you need to add USB0 lane information as well. > Otherwise please ignore my comment. > The SerDes on J721S2 can simultaneously support only two protocols. By default PCIe and DP will be supported. Due to this, USB is configured in high-speed and this does not require any SerDes lane configuration. >> >> Signed-off-by: Aswath Govindraju <a-govindraju@xxxxxx> >> Signed-off-by: Matt Ranostay <mranostay@xxxxxx> >> Signed-off-by: Ravi Gunasekaran <r-gunasekaran@xxxxxx> [...] > > cheers, > -roger -- Regards, Ravi