Help with switching modes between SPI and GPIO and Activation of ST7701S MIPI-DSI

[WayneWWW]

Check the driver code and dmesg. You shall find the driver code (dc.c) uner nvidia directory.
Modify the panel driver regulator to meet your hardware design.

Check this:

Activate dsi on jetson nano som

I have tried to activate the dsi firstly in bootloader. After that experiment me was clear, that I should do it in kernel at fist and then in bootloader. That order because bootloader has no known possibilities to recognize that display driver is loaded properly. In kernel I know the tool dmesg, which I have used with followed result on our board: wlad@ubuntu:~$ dmesg | grep tegradc [ 0.439114] iommu: Adding device tegradc.0 to group 13 [ 0.439165] platform tegradc.0: domain=ffffffc0f94ba…