I see there is an upstream tiny-DRM based kernel driver for ST7735r, which might be compatible with your ST7789, or might require some (hopefully) minimal adjustments: https://elixir.bootlin.com/linux/latest/source/drivers/gpu/d...
474 karma · joined June 3, 2014
This is not true, Arduino uses the C++ language.
[1] http://linux-meson.com/doku.php#kernel_mainlining_progress