1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/light/sharp,gp2ap002.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Sharp GP2AP002A00F and GP2AP002S00F proximity and ambient light sensors
maintainers:
- Linus Walleij <linus.walleij@linaro.org>
description: |
Proximity and ambient light sensor with IR LED for the proximity
sensing and an analog output for light intensity. The ambient light
sensor output is not available on the GP2AP002S00F variant.
properties:
compatible:
enum:
- sharp,gp2ap002a00f
- sharp,gp2ap002s00f
reg:
maxItems: 1
interrupts:
maxItems: 1
description: an interrupt for proximity, usually a GPIO line
vdd-supply:
description: VDD power supply a phandle to a regulator
vio-supply:
description: VIO power supply a phandle to a regulator
io-channels:
maxItems: 1
description: ALSOUT ADC channel to read the ambient light
io-channel-names:
const: alsout
sharp,proximity-far-hysteresis:
$ref: /schemas/types.yaml#/definitions/uint8
description: |
Hysteresis setting for "far" object detection, this setting is
device-unique and adjust the optical setting for proximity detection
of a "far away" object in front of the sensor.
sharp,proximity-close-hysteresis:
$ref: /schemas/types.yaml#/definitions/uint8
description: |
Hysteresis setting for "close" object detection, this setting is
device-unique and adjust the optical setting for proximity detection
of a "close" object in front of the sensor.
required:
- compatible
- reg
- interrupts
- sharp,proximity-far-hysteresis
- sharp,proximity-close-hysteresis
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
light-sensor@44 {
compatible = "sharp,gp2ap002a00f";
reg = <0x44>;
interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
vdd-supply = <&vdd_regulator>;
vio-supply = <&vio_regulator>;
io-channels = <&adc_channel>;
io-channel-names = "alsout";
sharp,proximity-far-hysteresis = /bits/ 8 <0x2f>;
sharp,proximity-close-hysteresis = /bits/ 8 <0x0f>;
};
};
...
|
