>This needs to be a "subclass" of the spi-controller.yaml binding. > >allOf: > - $ref: spi-controller.yaml# Isn't stating that validation need against spi-controller.yaml as well as this schema sufficient ? Can you please point an example how to make controller binding a "subclass" of spi-controller.yaml binding ? >Node name should be flash@0. I think spi-controller.yaml uses wildcard for the name of a device node, so anything in string@hexvalue: should work. >> + compatible = "spi-nor", "micron,mt35xu512"; > >These compatibles are arbitrary and undocumented. You probably just need >"jedec,spi-nor". If you need anything else, you need to justify why. Although just "spi-nor" also works, I agree to use "jedec, spi-nor" and drop device name. Regards, Parshuram Thombare