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DS90UB960-Q1: CSI2 interface not receiving any valid data

Part Number: DS90UB960-Q1

Dear all,

i have the following scenario:

- ds90ub960 is generating the pattern using same code in 7.5.6 Pattern Generation, and it is connected with CLK and 4 LANES to a imx8qm CSI2 bus. imx8qm CSI-2 module supports until 4 VC and several CSI formats.

- i see by scope a signal generated by ds90ub960 on clock and all 4 lanes

- on imx8qm side, looking the CSI2 module registers, seems no valid data is received. I say "seems" because part of those registers meanings are actually undocumented, but the sate of the registers is the same as before starting capturing.

Even if i understand the issue may be on the imx8 side, every help/idea is appreciated.

Angelo Dureghello