Documentation/devicetree/bindings/w1/w1-gpio.yaml

   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
   7 title: Bitbanged GPIO 1-Wire Bus
   8
   9 maintainers:
  10   - Daniel Mack <zonque@gmail.com>
  11
  12 properties:
  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
  27 required:
  28   - compatible
  29   - gpios
  30
  31 additionalProperties:
  32   type: object
  33
  34 examples:
  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 ...