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- # SPDX-License-Identifier: GPL-2.0
- %YAML 1.2
- ---
- $id: http://devicetree.org/schemas/w1/w1-gpio.yaml#
- $schema: http://devicetree.org/meta-schemas/core.yaml#
- title: Bitbanged GPIO 1-Wire Bus
- maintainers:
- - Daniel Mack <zonque@gmail.com>
- properties:
- compatible:
- const: w1-gpio
- gpios:
- minItems: 1
- items:
- - description: Data I/O pin
- - description: Enable pin for an external pull-up resistor
- linux,open-drain:
- type: boolean
- description: >
- If specified, the data pin is considered in open-drain mode.
- required:
- - compatible
- - gpios
- additionalProperties:
- type: object
- examples:
- - |
- #include <dt-bindings/gpio/gpio.h>
- onewire {
- compatible = "w1-gpio";
- gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
- };
- ...
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