Can one camera MIPI-CSI interface support 2D1C + 1D1C?

Yocto
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1

Hi there,

I’m using the Genio 720 EVK with the in-box sensors, IMX258 and OV5640.
The MIPI-CSI socket layout is 4D1C, while the OV5640 only uses 2 D-PHY lanes.
I’m wondering if a MIPI-CSI interface can be split into 2D1C + 1D1C to support more cameras?

Thanks

3

Hi @andrew.hess ,

Regarding the MIPI-CSI interface splitting:

  • Hardware: The Genio 420/520/720 SoCs support splitting a single interface into two (2D1C + 1D1C).
  • Software: The PHY and SENINF drivers in the IoT Yocto linux-mtk kernel do not support split mode.

The in-box OV5640 sensor operates in normal mode (4D1C) with two data lanes disabled, rather than in split mode.