xref: /linux/Documentation/devicetree/bindings/hwmon/ti,lm87.yaml (revision 621cde16e49b3ecf7d59a8106a20aaebfb4a59a9) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4
5$id: http://devicetree.org/schemas/hwmon/ti,lm87.yaml#
6$schema: http://devicetree.org/meta-schemas/core.yaml#
7
8title: Texas Instruments LM87 Hardware Monitor
9
10maintainers:
11  - Javier Carrasco <javier.carrasco.cruz@gmail.com>
12
13description: |
14  The LM87 is a serial interface system hardware monitor
15  with remote diode temperature sensing.
16
17  Datasheets:
18    https://www.ti.com/product/LM87
19
20properties:
21  compatible:
22    const: ti,lm87
23
24  reg:
25    maxItems: 1
26
27  has-temp3:
28    $ref: /schemas/types.yaml#/definitions/flag
29    description:
30      This configures pins 18 and 19 to be used as a second
31      remote temperature sensing channel. By default the pins
32      are configured as voltage input pins in0 and in5.
33
34  has-in6:
35    $ref: /schemas/types.yaml#/definitions/flag
36    description:
37      When set, pin 5 is configured to be used as voltage input
38      in6. Otherwise the pin is set as FAN1 input.
39
40  has-in7:
41    $ref: /schemas/types.yaml#/definitions/flag
42    description:
43      When set, pin 6 is configured to be used as voltage input
44      in7. Otherwise the pin is set as FAN2 input.
45
46  vcc-supply:
47    description:
48      Regulator supplying power, can be configured to measure
49      5.0V power supply. Default is 3.3V.
50
51required:
52  - compatible
53  - reg
54
55additionalProperties: false
56
57examples:
58  - |
59    i2c {
60        #address-cells = <1>;
61        #size-cells = <0>;
62
63        hwmon@2e {
64            compatible = "ti,lm87";
65            reg = <0x2e>;
66            has-temp3;
67            vcc-supply = <&reg_5v0>;
68        };
69    };
70