IMX8 board 8MMiniLPD4-EVK, MINISASTOCSI adapter

[PSEE]

Hello,

We are trying to use the IMX8 board 8MMiniLPD4-EVK, MINISASTOCSI adapter. We have the following questions:

Reference documentations:

• i.MX Porting Guide , Rev. L5.4.70_2.3.0, 31 December 2020, https://www.nxp.com/docs/en/user-guide/IMX_PORTING_GUIDE.pdf, Chapter 15 (Supporting Cameras with MIPI-CSI) refers to IMX_REFERENCE_MANUAL.pdf

i.MX Linux Reference Manual, Rev. L5.4.70_2.3.0, 31 December 2020:

• https://www.nxp.com/docs/en/reference-manual/IMX_REFERENCE_MANUAL.pdf, in Section 6.1 (Capture Overiew), there are references to files on the linux kernel
  • There are references to files in the kernel for MIPI controllers and interfaces, but not clear, what to use with our camera
  • There is no diagram on how the different drivers (Camera, MIPI-CSI2, V4L2) interact together
  • Not clear which files are used for the OV5640 MIPI camera (there are references to drivers/media/platform/imx8 and drivers/media/platform/mxc/capture)
    • not sure what is legacy, and what is really used on IMX8MMini

What we would need:

1. Documentation on how to write a MIPI camera driver for our need (using MIPI_DATA_FORMAT_USER 1)
2. Diagram of files used and how they are stacked

[joanxie]

firstly, current bsp supports ov5640 directly, for driver, you can refer to the dts file, for csi driver, pls refer to the "https://source.codeaurora.org/external/imx/linux-imx/tree/drivers/media/platform/mxc/capture/mx6s_ca...

for mipi csis driver, pls refer to the "https://source.codeaurora.org/external/imx/linux-imx/tree/drivers/media/platform/mxc/capture/mxc_mip..."