Can't get SPI to work with Rock Pi 4

General Discussion
4

So I managed to get this working, and yup it was pretty simple, although it has taken me quite long:

in /boot/dietpiEnv.txt needed to add:
overlays=spi-spidev
param_spidev_spi_bus=1

and now it seems to work, so yes it was pretty simple…DUH!