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40 lines
685 B
Plaintext
40 lines
685 B
Plaintext
// Definitions for w1-gpio module (without external pullup)
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/dts-v1/;
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/plugin/;
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/ {
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compatible = "brcm,bcm2708";
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fragment@0 {
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target-path = "/";
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__overlay__ {
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w1: onewire@0 {
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compatible = "w1-gpio";
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pinctrl-names = "default";
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pinctrl-0 = <&w1_pins>;
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gpios = <&gpio 4 0>;
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rpi,parasitic-power = <0>;
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status = "okay";
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};
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};
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};
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fragment@1 {
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target = <&gpio>;
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__overlay__ {
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w1_pins: w1_pins {
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brcm,pins = <4>;
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brcm,function = <0>; // in (initially)
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brcm,pull = <0>; // off
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};
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};
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};
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__overrides__ {
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gpiopin = <&w1>,"gpios:4",
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<&w1_pins>,"brcm,pins:0";
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pullup = <&w1>,"rpi,parasitic-power:0";
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};
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};
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