/dts-v1/; /plugin/; / { compatible = "brcm,bcm2835", "brcm,bcm2836", "brcm,bcm2708", "brcm,bcm2709"; fragment@0 { target = <&spi0>; frag0: __overlay__ { #address-cells = <1>; #size-cells = <0>; pinctrl-0 = <&spi0_pins &spi0_cs_pins>; status = "okay"; cs-gpios = <&gpio 8 1>, <&gpio 7 1>, <&gpio 5 1>, <&gpio 4 1>; spidev@2{ compatible = "spidev"; reg = <2>; /* CE2 */ #address-cells = <1>; #size-cells = <0>; spi-max-frequency = <1000000>; }; spidev@3{ compatible = "spidev"; reg = <3>; /* CE3 */ #address-cells = <1>; #size-cells = <0>; spi-max-frequency = <1000000>; }; }; }; fragment@1 { target = <&gpio>; __overlay__ { spi0_cs_pins: spi0_cs_pins { brcm,pins = <8 7 5 4>; brcm,function = <1>; /* out */ }; }; }; __overrides__ { cs0_pin = <&frag0>,"cs-gpios:4", <&spi0_cs_pins>,"brcm,pins:0"; cs1_pin = <&frag0>,"cs-gpios:16", <&spi0_cs_pins>,"brcm,pins:4"; cs2_pin = <&frag0>,"cs-gpios:28", <&spi0_cs_pins>,"brcm,pins:8"; cs3_pin = <&frag0>,"cs-gpios:40", <&spi0_cs_pins>,"brcm,pins:12"; }; };