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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/iio/humidity/ti,hdc3020.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/iio/humidity/ti,hdc3020.yaml#

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

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title: HDC3020/HDC3021/HDC3022 humidity and temperature iio sensors

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maintainers:

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  - Li peiyu <579lpy@gmail.com>

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  - Javier Carrasco <javier.carrasco.cruz@gmail.com>

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description:

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  https://www.ti.com/lit/ds/symlink/hdc3020.pdf

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  The HDC302x is an integrated capacitive based relative humidity (RH)

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  and temperature sensor.

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properties:

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  compatible:

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    oneOf:

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      - items:

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          - enum:

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              - ti,hdc3021

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              - ti,hdc3022

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          - const: ti,hdc3020

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      - const: ti,hdc3020

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  interrupts:

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    maxItems: 1

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  vdd-supply: true

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  reg:

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    maxItems: 1

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  reset-gpios:

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    maxItems: 1

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required:

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  - compatible

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  - reg

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  - vdd-supply

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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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    #include <dt-bindings/interrupt-controller/irq.h>

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    i2c {

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        #address-cells = <1>;

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        #size-cells = <0>;

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        humidity-sensor@47 {

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            compatible = "ti,hdc3021", "ti,hdc3020";

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            reg = <0x47>;

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            vdd-supply = <&vcc_3v3>;

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            interrupt-parent = <&gpio3>;

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            interrupts = <23 IRQ_TYPE_EDGE_RISING>;

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            reset-gpios = <&gpio3 27 GPIO_ACTIVE_LOW>;

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        };

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    };

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