Hi, I stumbled into a compatible property valued arm,amba-primecell and wondered what it means. Thus I started looking in the kernel source: linux$ git grep arm,amba-primecell v5.1-rc2 Documentation/devicetree/usage-model.txt:be too invasive. If a node is compatible with "arm,amba-primecell", then arch/arm/boot/dts/nspire.dtsi: compatible = "arm,amba-primecell"; linux$ Such rare usage seems strange. Is this a mistake? Is it that these two files need a s/arm,amba-primecell/arm,primecell/? Helmut