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
7 title: HDC3020/HDC3021/HDC3022 humidity and temperature iio sensors
8
9 maintainers:
10 - Li peiyu <579lpy@gmail.com>
11 - Javier Carrasco <javier.carrasco.cruz@gmail.com>
12
13 description:
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
19 properties:
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
40 required:
41 - compatible
42 - reg
43 - vdd-supply
44
45 additionalProperties: false
46
47 examples:
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 };
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