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AGX Xavier pcie C0

Mar 04, 2024

Hi ,


I found that C0 controller pcie@14180000 has the property num-lanes =

in SOC dtsi which I didn’t edit anything (tegra194-soc/tegra194-soc-pcie.dtsi)


but according to adaption guide C0 only 4 lanes
https://docs.nvidia.com/jetson/archives/r35.3.1/DeveloperGuide/text/HR/JetsonModuleAdaptationAndBringUp/JetsonAgxXavierSeries.html?highlight=usb#uphy-lane-assignment


Should the num-lanes be 4 correspond to the adaption guide?


Or C0 can support to 8lanes?