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SK-AM62B-P1: Adding IMX708 Camera Sensor to the Debian Bookworm Image

Rahul Santhosh
Prodigy 160 points
Part Number: SK-AM62B-P1
Other Parts Discussed in Thread: AM625, AM623

Tool/software:

Hello everyone,

I have been trying to integrate the Raspberry Pi Camera Module 3, which has the IMX708 sensor, with the SK-AM62B-P1 for video processing.

I'm using Debian Bookworm SD card image provided by TI.

However, I discovered that the current boot image only supports till the IMX219 sensor, and drivers for the IMX708 are not available. Is there a driver release from TI for the IMX708 sensor?

Alternatively, are there any third-party IMX708 drivers available that I can integrate into my Linux system?

  • 0
    TI__Guru 59445 points

    Hello Rahul,

    Rahul Santhosh said:
    Is there a driver release from TI for the IMX708 sensor?

    No, we don't have the IMX708 driver.

    Rahul Santhosh said:
    Alternatively, are there any third-party IMX708 drivers available that I can integrate into my Linux system?

    No, we don't have any 3rd party driver for IMX708.

    In addition, looks like you're using the AM62x SoC. Please keep in mind that the IMX708's output is RAW10 which requires an ISP to process the raw image data. AM62x SoC has no ISP. You'll need to use the AM62A SoC which has an ISP. 

  • 0 in reply to Jianzhong Xu
    Prodigy 160 points

    I think the IMX219 is supported by the AM62x. But since the IMX219 outputs RAW8, how does it work with the AM62x? Does this mean there’s a similar issue with using the IMX219 as well?

    I don't think IMX219 comes with in-built ISP.

  • 0 in reply to Rahul Santhosh
    Prodigy 160 points

    An update on the above reply.

    The IMX219 datasheet mentions that it has on-chip image processing.

    I also see the 'k3-am62x-sk-csi2-imx219.dtbo' file in my Debian build. However, the IMX219 is not listed among the tested cameras for the AM62x in the TI resource explorer.

    Can you confirm if it's possible to use the IMX219 with the AM62x?

  • +1 in reply to Rahul Santhosh
    TI__Guru 59445 points

    The device tree overlay for IMX219 is a generic one for AM62 family of device. The IMX219 produces RAW RGB output which needs to be processed by an image signal processor (ISP). Since AM62x (e.g. AM623, AM625) doesn't have an ISP, IMX219 won't work with AM62x.

  • 0 in reply to Jianzhong Xu
    Prodigy 160 points

    Alright, I’ll switch to using the OV5640 camera sensor since it’s already listed as tested for the AM62x.

    Thanks for all your help!