Dear Toradex Community, I am building an application on Apalis iMX8qm for M4 communication I2C to A core linux. I am testing the demo rpms_lite_pingpong_rtos_linux_remote_m41 to the communication link between two MCU platform. However, I cannot get the imx_rpmsg_pingpong device in /dev. The f…

Hello @tak , [image] tak: By the way, may I ask one more question? When I use 6.2.0+build from the cloud, I found that if I add the disable code in overlay file as below. The linux prompted device tree flatten error and cannot be booted up. However, the same dtbo works find in 5.7.22+build. May…

RPMSG on a Toradex Apalis iMX8qm

Technical Support

hfranco.tx June 21, 2023, 2:01pm 3

Hi @tak,

For Apalis iMX8 Downstream kernel version 5.4, you need to use the following code in your overlay:

Also, you can find the compiled DTBO file in this comment:

The file will be available for 3 months.

This thread should help you set everything up. Please, let me know here if you have any questions about it.

Best Regards,
Hiago.