1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/iio/light/ti,opt4001.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Texas Instruments OPT4001 Ambient Light Sensor
8
9 maintainers:
10 - Stefan Windfeldt-Prytz <stefan.windfeldt-prytz@axis.com>
11
12 description:
13 Ambient light sensor with an i2c interface.
14 Last part of compatible is for the packaging used.
15 Picostar is a 4 pinned SMT and sot-5x3 is a 8 pinned SOT.
16 https://www.ti.com/lit/gpn/opt4001
17
18 properties:
19 compatible:
20 enum:
21 - ti,opt4001-picostar
22 - ti,opt4001-sot-5x3
23
24 reg:
25 maxItems: 1
26
27 interrupts:
28 maxItems: 1
29
30 vdd-supply:
31 description: Regulator that provides power to the sensor
32
33 required:
34 - compatible
35 - reg
36
37 allOf:
38 - if:
39 properties:
40 compatible:
41 contains:
42 const: ti,opt4001-sot-5x3
43 then:
44 properties:
45 interrupts:
46 maxItems: 1
47 else:
48 properties:
49 interrupts: false
50
51 additionalProperties: false
52
53 examples:
54 - |
55 #include <dt-bindings/interrupt-controller/irq.h>
56 i2c {
57 #address-cells = <1>;
58 #size-cells = <0>;
59
60 light-sensor@44 {
61 compatible = "ti,opt4001-sot-5x3";
62 reg = <0x44>;
63 vdd-supply = <&vdd_reg>;
64 interrupt-parent = <&gpio1>;
65 interrupts = <28 IRQ_TYPE_EDGE_FALLING>;
66 };
67 };
68 ...
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