27 lines
529 B
Text
27 lines
529 B
Text
w1-gpio devicetree bindings
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Required properties:
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- compatible: "w1-gpio"
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- gpios: one or two GPIO specs:
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- the first one is used as data I/O pin
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- the second one is optional. If specified, it is used as
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enable pin for an external pin pullup.
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Optional properties:
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- linux,open-drain: if specified, the data pin is considered in
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open-drain mode.
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Also refer to the generic w1.txt document.
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Examples:
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onewire {
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compatible = "w1-gpio";
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gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
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battery {
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// ...
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};
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};
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