ti,tmp421.yaml

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    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 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: TMP42x/TMP44x temperature sensor
    8 
    9 maintainers:
   10   - Guenter Roeck <linux@roeck-us.net>
   11 
   12 description: |
   13   ±1°C Remote and Local temperature sensor
   14   https://www.ti.com/lit/ds/symlink/tmp422.pdf
   15 
   16 properties:
   17   compatible:
   18     enum:
   19       - ti,tmp421
   20       - ti,tmp422
   21       - ti,tmp423
   22       - ti,tmp441
   23       - ti,tmp442
   24   reg:
   25     maxItems: 1
   26 
   27   '#address-cells':
   28     const: 1
   29 
   30   '#size-cells':
   31     const: 0
   32 
   33 required:
   34   - compatible
   35   - reg
   36 
   37 additionalProperties: false
   38 
   39 patternProperties:
   40   "^channel@([0-3])$":
   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 
   70 examples:
   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     };

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sys/contrib/device-tree/Bindings/hwmon/ti,tmp421.yaml