/* * As opposed to the upstream/downstream kernel, u-boot needs a special * compatible string to access RPi, RPi2 and RPi0's serial consoles. This was * removed from both upstream and downstream Linux's device-trees as there is * no existing binding or use for it. While we fix this in upstream u-boot, * this overlay fixes booting on those platforms. */ /dts-v1/; /plugin/; /{ compatible = "brcm,bcm2835"; fragment@0 { target = <&uart0>; __overlay__ { compatible = "brcm,bcm2835-pl011", "arm,pl011", "arm,primecell"; }; }; };