I am currently evaluating the Khadas Edge2 together with two Khadas IMX415 MIPI camera modules for a stereo vision application.
My target configuration is:
2 × IMX415 camera modules
3840 × 2160 @ 60 fps per camera
4 MIPI CSI-2 lanes per camera
Both cameras connected directly to the Edge2
Hardware-synchronized image acquisition
Saving both video streams
I understand that the IMX415 sensor supports hardware synchronization using the XVS and XHS signals, with one sensor operating as the master and the other as the slave.
Could you please clarify the following points?
Does the Khadas IMX415 camera module expose the IMX415 XVS and XHS signals on its camera connector?
Is it possible to configure two Khadas IMX415 camera modules connected to CAM2 and CAM3 of the Edge2 for hardware-synchronized acquisition?
If yes, can one camera operate as XVS/XHS master and the other as slave, with the synchronization signals physically connected between the two camera modules?
Is the required XMASTER configuration accessible through the existing Linux driver/device tree?
Does the Khadas camera driver currently support the IMX415 slave/synchronized mode, or would modifications to the driver/device tree be required?
Is 4K (3840 × 2160) at 60 fps supported when both cameras are operating simultaneously and synchronized?
Are there any restrictions on the synchronization mode at 4K60, for example regarding:
RAW10/RAW12 format
MIPI lane configuration
frame timing
exposure synchronization
external XVS/XHS frequency
maximum frame rate?
If the camera modules do not expose XVS/XHS directly, is there another supported hardware-trigger or synchronization mechanism that allows frame-accurate synchronization between two IMX415 cameras?
Finally, do you have a schematic or pinout of the Khadas IMX415 camera module showing the XVS, XHS, XMASTER and XSHUTDOWN connections?
The synchronization accuracy is important for my application because the two cameras will be used for stereo vision, so I need the corresponding frames from both sensors to be captured at the same point in time.
If you have an example configuration, schematic, device-tree overlay, or documentation for dual synchronized IMX415 cameras on the Edge2, I would greatly appreciate it.
Thank you very much for your help.