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/proximi 4 $id: http://devicetree.org/schemas/iio/proximity/awinic,aw96103.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Awinic's AW96103 capacitive proximity s 7 title: Awinic's AW96103 capacitive proximity sensor and similar
8 8
9 maintainers: 9 maintainers:
10 - Wang Shuaijie <wangshuaijie@awinic.com> 10 - Wang Shuaijie <wangshuaijie@awinic.com>
11 11
12 description: | 12 description: |
13 Awinic's AW96103/AW96105 proximity sensor. 13 Awinic's AW96103/AW96105 proximity sensor.
14 The specific absorption rate (SAR) is a metr 14 The specific absorption rate (SAR) is a metric that measures
15 the degree of absorption of electromagnetic 15 the degree of absorption of electromagnetic radiation emitted by
16 wireless devices, such as mobile phones and 16 wireless devices, such as mobile phones and tablets, by human tissue.
17 In mobile phone applications, the proximity 17 In mobile phone applications, the proximity sensor is primarily
18 used to detect the proximity of the human bo 18 used to detect the proximity of the human body to the phone. When the
19 phone approaches the human body, it will act 19 phone approaches the human body, it will actively reduce the transmit
20 power of the antenna to keep the SAR within 20 power of the antenna to keep the SAR within a safe range. Therefore,
21 we also refer to the proximity sensor as a S 21 we also refer to the proximity sensor as a SAR sensor.
22 22
23 properties: 23 properties:
24 compatible: 24 compatible:
25 enum: 25 enum:
26 - awinic,aw96103 26 - awinic,aw96103
27 - awinic,aw96105 27 - awinic,aw96105
28 28
29 reg: 29 reg:
30 maxItems: 1 30 maxItems: 1
31 31
32 interrupts: 32 interrupts:
33 description: 33 description:
34 Generated by the device to announce that 34 Generated by the device to announce that a close/far
35 proximity event has happened. 35 proximity event has happened.
36 maxItems: 1 36 maxItems: 1
37 37
38 vcc-supply: true 38 vcc-supply: true
39 39
40 required: 40 required:
41 - compatible 41 - compatible
42 - reg 42 - reg
43 - interrupts 43 - interrupts
44 - vcc-supply 44 - vcc-supply
45 45
46 additionalProperties: false 46 additionalProperties: false
47 47
48 examples: 48 examples:
49 - | 49 - |
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 proximity@12 { 54 proximity@12 {
55 compatible = "awinic,aw96103"; 55 compatible = "awinic,aw96103";
56 reg = <0x12>; 56 reg = <0x12>;
57 interrupt-parent = <&gpio>; 57 interrupt-parent = <&gpio>;
58 interrupts = <23 IRQ_TYPE_EDGE_FAL 58 interrupts = <23 IRQ_TYPE_EDGE_FALLING>;
59 vcc-supply = <&pp1800_prox>; 59 vcc-supply = <&pp1800_prox>;
60 }; 60 };
61 }; 61 };
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