I'm trying to connect a MX8-DSI-OLED1 Panel to a i.MX8M Nano EVK. I can get the EVK to work with a monitor, but not with the OLED panel. I have found several posts in the NXP community forums that say you have to run the following commands...
U-Boot > setenv fdt_file fsl-imx8mq-evk-dcss-rm67191.dtb
U-Boot > saveenv
U-Boot > run bootcmd
...but that .dtb file didn't make the OLED work. I realize that is for the imx8mq and i have the imx8mnano. Does any body know the dtb filename that i need to use? I have tried fsl-imx8mn-evk-dcss-rm67191.dtb (notice i changed the q to an n since i have a nano) and this doesn't work either.
Any help is greatly appreciated.
I have mailed to you about this case, you can check it
Several options to find the right names for the DTB files:
Take care of the filename, in the file system the names start with "Image_", for the u-boot initialization you take that away.
Summary: please use the file "fsl-imx8mn-ddr4-evk-rm67191.dtb" if you have an 8M Nano board with DDR4.
For the LPDDR4 version I think the "ddr4" is just taken out (not replaced by "lpddr4"), but I'm not perfectly sure.
U-Boot > setenv fdt_file fsl-imx8mn-ddr4-evk-rm67191.dtb
U-Boot > saveenv
U-Boot > boot