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43 lines
777 B
Plaintext
43 lines
777 B
Plaintext
// Definitions for w1-gpio module (with external pullup)
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/dts-v1/;
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/plugin/;
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/ {
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compatible = "brcm,bcm2835";
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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>, <&gpio 5 1>;
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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@0 {
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brcm,pins = <4 5>;
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brcm,function = <0 1>; // in out
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brcm,pull = <0 0>; // off 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>,"reg:0",
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<&w1_pins>,"brcm,pins:0",
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<&w1_pins>,"reg:0";
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extpullup = <&w1>,"gpios:16",
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<&w1_pins>,"brcm,pins:4";
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pullup; // Silently ignore unneeded parameter
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};
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};
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