/dts-v1/; /plugin/; / { compatible = "brcm,bcm2711"; fragment@0 { target = <&spi3_cs_pins>; frag0: __overlay__ { brcm,pins = <0>; brcm,function = <1>; /* output */ }; }; fragment@1 { target = <&spi3>; frag1: __overlay__ { /* needed to avoid dtc warning */ #address-cells = <1>; #size-cells = <0>; pinctrl-names = "default"; pinctrl-0 = <&spi3_pins &spi3_cs_pins>; cs-gpios = <&gpio 0 1>; status = "okay"; spidev3_0: spidev@0 { compatible = "spidev"; reg = <0>; /* CE0 */ #address-cells = <1>; #size-cells = <0>; spi-max-frequency = <125000000>; status = "okay"; }; }; }; __overrides__ { cs0_pin = <&frag0>,"brcm,pins:0", <&frag1>,"cs-gpios:4"; cs0_spidev = <&spidev3_0>,"status"; }; };