/* * Boot EEPROM overlay */ /dts-v1/; /plugin/; / { compatible = "brcm,bcm2835"; fragment@0 { target = <&spi0>; __overlay__ { cs-gpios = <&gpio 43 1>, <&gpio 44 1>, <&gpio 45 1>; status = "okay"; }; }; fragment@1 { target = <&spi0_cs_pins>; __overlay__ { brcm,pins = <45 44 43>; brcm,function = <1>; /* output */ status = "okay"; }; }; fragment@2 { target = <&spi0_pins>; __overlay__ { brcm,pins = <40 41 42>; brcm,function = <3>; /* alt4 */ status = "okay"; }; }; };