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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/input/gpio-mouse.yaml
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/input/gpio-mouse.yaml#

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$schema: http://devicetree.org/meta-schemas/core.yaml#

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title: GPIO attached mouse

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description: |

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  This simply uses standard GPIO handles to define a simple mouse connected

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  to 5-7 GPIO lines.

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maintainers:

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  - Anshul Dalal <anshulusr@gmail.com>

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properties:

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  compatible:

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    const: gpio-mouse

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  scan-interval-ms:

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    maxItems: 1

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  up-gpios:

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    maxItems: 1

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  down-gpios:

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    maxItems: 1

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  left-gpios:

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    maxItems: 1

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  right-gpios:

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    maxItems: 1

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  button-left-gpios:

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    maxItems: 1

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  button-middle-gpios:

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    maxItems: 1

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  button-right-gpios:

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    maxItems: 1

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required:

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  - compatible

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  - scan-interval-ms

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  - up-gpios

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  - down-gpios

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  - left-gpios

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  - right-gpios

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additionalProperties: false

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examples:

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  - |

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    #include <dt-bindings/gpio/gpio.h>

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    gpio-mouse {

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        compatible = "gpio-mouse";

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        scan-interval-ms = <50>;

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        up-gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;

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        down-gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;

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        left-gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;

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        right-gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;

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        button-left-gpios = <&gpio0 4 GPIO_ACTIVE_LOW>;

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        button-middle-gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;

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        button-right-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;

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    };

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