ti,tmp421.yaml

  1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/hwmon/ti,tmp421.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: TMP42x/TMP44x temperature sensor
  8
  9maintainers:
 10  - Guenter Roeck <linux@roeck-us.net>
 11
 12description: |
 13  ±1°C Remote and Local temperature sensor
 14  https://www.ti.com/lit/ds/symlink/tmp422.pdf
 15
 16properties:
 17  compatible:
 18    enum:
 19      - ti,tmp421
 20      - ti,tmp422
 21      - ti,tmp423
 22      - ti,tmp441
 23      - ti,tmp442
 24  reg:
 25    maxItems: 1
 26
 27  '#address-cells':
 28    const: 1
 29
 30  '#size-cells':
 31    const: 0
 32
 33required:
 34  - compatible
 35  - reg
 36
 37additionalProperties: false
 38
 39patternProperties:
 40  "^channel@([0-3])$":
 41    type: object
 42    description: |
 43      Represents channels of the device and their specific configuration.
 44
 45    properties:
 46      reg:
 47        description: |
 48          The channel number. 0 is local channel, 1-3 are remote channels
 49        items:
 50          minimum: 0
 51          maximum: 3
 52
 53      label:
 54        description: |
 55          A descriptive name for this channel, like "ambient" or "psu".
 56
 57      ti,n-factor:
 58        description: |
 59          The value (two's complement) to be programmed in the channel specific N correction register.
 60          For remote channels only.
 61        $ref: /schemas/types.yaml#/definitions/int32
 62        minimum: -128
 63        maximum: 127
 64
 65    required:
 66      - reg
 67
 68    additionalProperties: false
 69
 70examples:
 71  - |
 72    i2c {
 73      #address-cells = <1>;
 74      #size-cells = <0>;
 75
 76      sensor@4c {
 77        compatible = "ti,tmp422";
 78        reg = <0x4c>;
 79      };
 80    };
 81  - |
 82    i2c {
 83      #address-cells = <1>;
 84      #size-cells = <0>;
 85
 86      sensor@4c {
 87        compatible = "ti,tmp422";
 88        reg = <0x4c>;
 89        #address-cells = <1>;
 90        #size-cells = <0>;
 91
 92        channel@0 {
 93          reg = <0x0>;
 94          ti,n-factor = <0x1>;
 95          label = "local";
 96        };
 97
 98        channel@1 {
 99          reg = <0x1>;
100          ti,n-factor = <0x0>;
101          label = "somelabel";
102        };
103
104        channel@2 {
105          reg = <0x2>;
106          status = "disabled";
107        };
108      };
109    };