The 5 Ultra is an RFC because the board schematics have not been published yet [1]. So I'm basing the differences so far from the marketing image [2] and the vendor kernel DTS [3] This will at least give an example of how the DTS hierarchy is structured. [1] http://www.orangepi.org/html/hardWare/computerAndMicrocontrollers/service-and-support/Orange-Pi-5-Ultra.html [2] http://www.orangepi.org/img/pi5-ultra/11vs12.png [3] https://github.com/orangepi-xunlong/linux-orangepi/blob/orange-pi-6.1-rk35xx/arch/arm64/boot/dts/rockchip/rk3588-orangepi-5-ultra.dts
