F&S Support Forum

F&S i.MX8M-Plus OSM specific Yocto Release 2025.04 (osm8mp-Y2025.04)

Please see the file

doc/FSiMX8MP_FirstSteps_eng.pdf

for a description of how everything is installed and used. This doc sub-directory also contains other documentation, for example about…

F&S i.MX8M-Mini OSM specific Yocto Release 2024.10.1 (osm8mm-Y2024.10.1)

Please see the file

doc/FSiMX8MM_FirstSteps_eng.pdf

for a description of how everything is installed and used. This doc sub-directory also contains other documentation, for example…

Hi,

I indeed used the wrong chokes. The chokes Murata DLP11S need to be used, as stated in your HW documentation.
After removing them, the HDMI works.

Here is a good overview about using chokes in high speed differential layouts: consumer-signal

I will…

(Quote)

Thank you for this tip, this command works. USB is powered off.
And echo "ci_hdrc.1" > /sys/bus/platform/drivers/ci_hdrc/bind powers on again.

(Quote)


Greate hint again. The following command also works:
Power off: uhubctl -a off -p 1 -r 10
Power on:…

Maybe this fixes your uhubctl problem?

https://github.com/mvp/uhubctl…fter-few-seconds-on-linux

Your F&S Support Team

Hello,

could you test the following command?

(Code, 1 line)


i think echo 'usb1' > /sys/bus/usb/drivers/usb/unbind does not unload the whole usb stack. there is still a hub device left, which seems to claim the vbus control.

Your F&S Support Team

Hello,

the GPIO Reference Card is now updated.
Thank you for the update on your situation.


Your F&S Support Team

Yes, now it works perfectly!
Thank you for quick response.

Kamil

Hello,

you can check the GPIO Reference Card for the PicoCOMA9X. The pin J1-63 is shared between the pads LCD_HSYNC and LCD_B2.
Otherwise, it seems that there currently is an error in the Reference Card for the signals LCD_B3 to LCD_B6 that the gpio…

Hello,
I have a problem using these two pins as inputs.
In one of our devices we have LCD connected and both pins work fine (J1-54 as LCD_B3 and J1-63 as LCD_HSYNC).
In our new device I need to use many pins of LCD interface as GPIO. In dts I set…