Documentation/devicetree/bindings/hwmon/ti,lm87.yaml


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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---

$id: http://devicetree.org/schemas/hwmon/ti,lm87.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Texas Instruments LM87 Hardware Monitor

maintainers:
  - Javier Carrasco <javier.carrasco.cruz@gmail.com>

description: |
  The LM87 is a serial interface system hardware monitor
  with remote diode temperature sensing.

  Datasheets:
    https://www.ti.com/product/LM87

properties:
  compatible:
    const: ti,lm87

  reg:
    maxItems: 1

  has-temp3:
    $ref: /schemas/types.yaml#/definitions/flag
    description:
      This configures pins 18 and 19 to be used as a second
      remote temperature sensing channel. By default the pins
      are configured as voltage input pins in0 and in5.

  has-in6:
    $ref: /schemas/types.yaml#/definitions/flag
    description:
      When set, pin 5 is configured to be used as voltage input
      in6. Otherwise the pin is set as FAN1 input.

  has-in7:
    $ref: /schemas/types.yaml#/definitions/flag
    description:
      When set, pin 6 is configured to be used as voltage input
      in7. Otherwise the pin is set as FAN2 input.

  vcc-supply:
    description:
      Regulator supplying power, can be configured to measure
      5.0V power supply. Default is 3.3V.

required:
  - compatible
  - reg

additionalProperties: false

examples:
  - |
    i2c {
        #address-cells = <1>;
        #size-cells = <0>;

        hwmon@2e {
            compatible = "ti,lm87";
            reg = <0x2e>;
            has-temp3;
            vcc-supply = <&reg_5v0>;
        };
    };