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