The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/w1/w1-gpio.yaml

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    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 Device Tree Bindings
    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 ...

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