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