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
8 title: Texas Instruments LM87 Hardware Monitor
9
10 maintainers:
11 - Javier Carrasco <javier.carrasco.cruz@gmail.com>
12
13 description: |
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
20 properties:
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
51 required:
52 - compatible
53 - reg
54
55 additionalProperties: false
56
57 examples:
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 = <®_5v0>;
68 };
69 };
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