| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | ... |