/dts-v1/; /plugin/; / { compatible = "raspberrypi"; fragment@0 { target = <&spi>; __overlay__ { cs-gpios = <&gpio 8 1>, <&gpio 7 1>; status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&spi0_pins &spi0_cs_pins>; #address-cells = <1>; #size-cells = <0>; spidev@0 { reg = <0>; // CE0 spi-max-frequency = <500000>; compatible = "spidev"; }; spidev@1 { reg = <1>; // CE1 spi-max-frequency = <500000>; compatible = "spidev"; }; }; }; fragment@1 { target = <&alt0>; __overlay__ { // Drop GPIO 7, SPI 8-11 brcm,pins = <4 5>; }; }; fragment@2 { target = <&gpio>; __overlay__ { spi0_pins: spi0_pins { brcm,pins = <9 10 11>; brcm,function = <4>; // alt0 }; spi0_cs_pins: spi0_cs_pins { brcm,pins = <8 7>; brcm,function = <1>; // out }; }; }; };