xref: /linux/Documentation/devicetree/bindings/iio/humidity/ti,hdc3020.yaml (revision 001821b0e79716c4e17c71d8e053a23599a7a508) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/iio/humidity/ti,hdc3020.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: HDC3020/HDC3021/HDC3022 humidity and temperature iio sensors
8
9maintainers:
10  - Li peiyu <579lpy@gmail.com>
11  - Javier Carrasco <javier.carrasco.cruz@gmail.com>
12
13description:
14  https://www.ti.com/lit/ds/symlink/hdc3020.pdf
15
16  The HDC302x is an integrated capacitive based relative humidity (RH)
17  and temperature sensor.
18
19properties:
20  compatible:
21    oneOf:
22      - items:
23          - enum:
24              - ti,hdc3021
25              - ti,hdc3022
26          - const: ti,hdc3020
27      - const: ti,hdc3020
28
29  interrupts:
30    maxItems: 1
31
32  vdd-supply: true
33
34  reg:
35    maxItems: 1
36
37  reset-gpios:
38    maxItems: 1
39
40required:
41  - compatible
42  - reg
43  - vdd-supply
44
45additionalProperties: false
46
47examples:
48  - |
49    #include <dt-bindings/gpio/gpio.h>
50    #include <dt-bindings/interrupt-controller/irq.h>
51    i2c {
52        #address-cells = <1>;
53        #size-cells = <0>;
54
55        humidity-sensor@47 {
56            compatible = "ti,hdc3021", "ti,hdc3020";
57            reg = <0x47>;
58            vdd-supply = <&vcc_3v3>;
59            interrupt-parent = <&gpio3>;
60            interrupts = <23 IRQ_TYPE_EDGE_RISING>;
61            reset-gpios = <&gpio3 27 GPIO_ACTIVE_LOW>;
62        };
63    };
64