From: Alexandre Mergnat <amergnat@xxxxxxxxxxxx> > Add the "mediatek,genio" compatible string to support Mediatek > SPI controller on the genio boards. What is the use case of having the spidev? What if I want to connect a device with a linux driver to it? It seems like you just want to expose the SPI bus on the pin header. There was a similar discussion for a mikrobus connector [1]. -michael [1] https://lore.kernel.org/linux-devicetree/YmFo+EntwxIsco%2Ft@xxxxxxxxxxxxxxxxxx/