maxim,max30100.yaml

 1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
 2%YAML 1.2
 3---
 4$id: http://devicetree.org/schemas/iio/health/maxim,max30100.yaml#
 5$schema: http://devicetree.org/meta-schemas/core.yaml#
 6
 7title: Maxim MAX30100 heart rate and pulse oximeter sensor
 8
 9maintainers:
10  - Matt Ranostay <matt.ranostay@konsulko.com>
11
12properties:
13  compatible:
14    const: maxim,max30100
15
16  reg:
17    maxItems: 1
18
19  interrupts:
20    maxItems: 1
21    description: Connected to ADC_RDY pin.
22
23  maxim,led-current-microamp:
24    minItems: 2
25    maxItems: 2
26    description: |
27      LED current whilst the engine is running. First indexed value is
28      the configuration for the RED LED, and second value is for the IR LED.
29
30  maxim,pulse-width-us:
31    description: |
32      LED pulse width in microseconds. Appropriate pulse width depends on
33      factors such as optical window absorption, LED-to-sensor distance,
34      and expected reflectivity of the skin or contact surface.
35    enum: [200, 400, 800, 1600]
36    default: 1600
37
38additionalProperties: false
39
40required:
41  - compatible
42  - reg
43  - interrupts
44
45examples:
46  - |
47    i2c {
48        #address-cells = <1>;
49        #size-cells = <0>;
50
51        heart-rate@57 {
52            compatible = "maxim,max30100";
53            reg = <0x57>;
54            maxim,led-current-microamp = <24000 50000>;
55            interrupt-parent = <&gpio1>;
56            interrupts = <16 2>;
57        };
58    };
59...