1# SPDX-License-Identifier: GPL-2.0 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/w1/w1-gpio.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Bitbanged GPIO 1-Wire Bus 8 9maintainers: 10 - Daniel Mack <zonque@gmail.com> 11 12properties: 13 compatible: 14 const: w1-gpio 15 16 gpios: 17 minItems: 1 18 items: 19 - description: Data I/O pin 20 - description: Enable pin for an external pull-up resistor 21 22 linux,open-drain: 23 type: boolean 24 description: > 25 If specified, the data pin is considered in open-drain mode. 26 27required: 28 - compatible 29 - gpios 30 31additionalProperties: 32 type: object 33 34examples: 35 - | 36 #include <dt-bindings/gpio/gpio.h> 37 38 onewire { 39 compatible = "w1-gpio"; 40 gpios = <&gpio 0 GPIO_ACTIVE_HIGH>; 41 }; 42 43... 44