4-lane MIPI interface configuration on 3449 B01


We are working on a project based on our Jetson Nano 3449 B01. The B01 has 2 2-lane MIPI interfaces, but we are using a MIPI interface with a 4-lane protocol.

How can I design an adapter board to meet the 4-lane MIPI protocol by using the 2 2-lane interfaces?


I’m afraid that we cannot design a adapter board to trasfer the 2-lane CSI on 3449 B01 to 4-lane. Because the 4-lane CSI requires CSI_A+CSI_B, while the 2-lane on 3449 is CSI_A, CSI_C. The CSI_B is not connected.

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Unless we redesign the B01 Carrier board to populate the CSI_B pins, right?
Another question: Is there any Nvidia platform that support a 4-lane protocol/interface for clients?