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July 17, 2025
Question

Conneting STEVAL-55G1MBI PCB4189D to SBC

  • July 17, 2025
  • 0 replies
  • 236 views

Hi, 

I have a compulab SBC (UCMiMX8Mplus sbev) it is a dev kit. 

I am connecting the STEVAL-55GMBI to the board with the edge connector with our custom board. It is connected to the MIPI-CSI2 connection. 

I have build the vd55g1 driver with the kernel and the driver is being loaded. 

Although it does not create the subdevice nodes in the v4l2-ctl --list-devices. 

I do see errors regarding the setup : 

[ 10.219820] mx8-img-md: Registered sensor subdevice: vd55g1 4-0010 (1)
[ 10.219837] mx8-img-md: subdev_notifier_complete error exit
[ 10.219847] mxc-md 32c00000.bus:camera: Sensor register failed
[ 10.219853] mx8-img-md: Unregistered all entities
[ 10.219857] mxc-md: probe of 32c00000.bus:camera failed with error -515

 

I have attached the schematics of the adapter board that we have created to connect the SBC to the ST camera board. 

rjoshiIntero_0-1752763629069.png

Could there be some issues with the driver configurations ?