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I want to use Debian on my Compute Module 4 instead of the Raspberry Pi OS: 2021.08.23 11 (Bullseye) 4 4 (4GB) from raspi.debian.net

source: jeffgeerling

With the Raspberry Pi OS the following has do be done to activate the USB-Ports for the CM4: To enable the USB 2.0 ports on the Compute Module 4, you need to edit the boot config file (/boot/config.txt) and add:

dtoverlay=dwc2,dr_mode=host

But: After the flash operation I mount the CM4‘s EMMC again and see two partitions: RASPIFIRM, where some dbt files and also a config.txt are located.

RASPIROOT, where the filesystem is located and also a /boot/firmware folder.

I created the config.txt in both location with the dtoverlay=dwc2,dr_mode=host content but this did not work.

Has anyone succefully used Debian on CM4 with USB? Thanks

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  • no need to create the file in both places as the boot/firmware folder is a mount point for the raspifirm partition. Is there any particular reason you want to use debian instead of raspberry pi OS?
    – Bravo
    Jan 11, 2022 at 22:16
  • I also tried it one by one in both files. But it doesn't work. With Raspberry Pi OS it works without any problems. So it's not a hardware problem. The reason to use Debian is that I then can install a supported version of Home Assistant Supervisor
    – Yannik
    Jan 13, 2022 at 10:30

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