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/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
};
};
};
};
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