national,lm90.yaml

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    1 # SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/hwmon/national,lm90.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: LM90 series thermometer
    8 
    9 maintainers:
   10   - Jean Delvare <jdelvare@suse.com>
   11   - Guenter Roeck <linux@roeck-us.net>
   12 
   13 properties:
   14   compatible:
   15     enum:
   16       - adi,adm1032
   17       - adi,adt7461
   18       - adi,adt7461a
   19       - adi,adt7481
   20       - dallas,max6646
   21       - dallas,max6647
   22       - dallas,max6649
   23       - dallas,max6657
   24       - dallas,max6658
   25       - dallas,max6659
   26       - dallas,max6680
   27       - dallas,max6681
   28       - dallas,max6695
   29       - dallas,max6696
   30       - gmt,g781
   31       - national,lm86
   32       - national,lm89
   33       - national,lm90
   34       - national,lm99
   35       - nxp,sa56004
   36       - onnn,nct1008
   37       - ti,tmp451
   38       - ti,tmp461
   39       - winbond,w83l771
   40 
   41 
   42   interrupts:
   43     items:
   44       - description: |
   45           Single interrupt specifier which describes the LM90 "-ALERT" pin
   46           output.
   47 
   48   reg:
   49     maxItems: 1
   50 
   51   "#thermal-sensor-cells":
   52     const: 1
   53 
   54   '#address-cells':
   55     const: 1
   56 
   57   '#size-cells':
   58     const: 0
   59 
   60   vcc-supply:
   61     description: phandle to the regulator that provides the +VCC supply
   62 
   63   ti,extended-range-enable:
   64     description: Set to enable extended range temperature.
   65     type: boolean
   66 
   67 required:
   68   - compatible
   69   - reg
   70 
   71 patternProperties:
   72   "^channel@([0-2])$":
   73     type: object
   74     description: Represents channels of the device and their specific configuration.
   75 
   76     properties:
   77       reg:
   78         description: The channel number. 0 is local channel, 1-2 are remote channels.
   79         items:
   80           minimum: 0
   81           maximum: 2
   82 
   83       label:
   84         description: A descriptive name for this channel, like "ambient" or "psu".
   85 
   86       temperature-offset-millicelsius:
   87         description: Temperature offset to be added to or subtracted from remote temperature measurements.
   88 
   89     required:
   90       - reg
   91 
   92     additionalProperties: false
   93 
   94 allOf:
   95   - if:
   96       not:
   97         properties:
   98           compatible:
   99             contains:
  100               enum:
  101                 - adi,adt7461
  102                 - adi,adt7461a
  103                 - adi,adt7481
  104                 - ti,tmp451
  105                 - ti,tmp461
  106     then:
  107       properties:
  108         ti,extended-range-enable: false
  109 
  110   - if:
  111       properties:
  112         compatible:
  113           contains:
  114             enum:
  115               - dallas,max6646
  116               - dallas,max6647
  117               - dallas,max6649
  118               - dallas,max6657
  119               - dallas,max6658
  120               - dallas,max6659
  121               - dallas,max6695
  122               - dallas,max6696
  123     then:
  124       patternProperties:
  125         "^channel@([0-2])$":
  126           properties:
  127             temperature-offset-millicelsius: false
  128 
  129   - if:
  130       properties:
  131         compatible:
  132           contains:
  133             enum:
  134               - adi,adt7461
  135               - adi,adt7461a
  136               - adi,adt7481
  137               - onnn,nct1008
  138     then:
  139       patternProperties:
  140         "^channel@([0-2])$":
  141           properties:
  142             temperature-offset-millicelsius:
  143               maximum: 127750
  144 
  145   - if:
  146       properties:
  147         compatible:
  148           contains:
  149             enum:
  150               - adi,adm1032
  151               - dallas,max6680
  152               - dallas,max6681
  153               - gmt,g781
  154               - national,lm86
  155               - national,lm89
  156               - national,lm90
  157               - national,lm99
  158               - nxp,sa56004
  159               - winbond,w83l771
  160     then:
  161       patternProperties:
  162         "^channel@([0-2])$":
  163           properties:
  164             temperature-offset-millicelsius:
  165               maximum: 127875
  166 
  167   - if:
  168       properties:
  169         compatible:
  170           contains:
  171             enum:
  172               - ti,tmp451
  173               - ti,tmp461
  174     then:
  175       patternProperties:
  176         "^channel@([0-2])$":
  177           properties:
  178             temperature-offset-millicelsius:
  179               maximum: 127937
  180 
  181 additionalProperties: false
  182 
  183 examples:
  184   - |
  185     #include <dt-bindings/interrupt-controller/irq.h>
  186 
  187     i2c {
  188         #address-cells = <1>;
  189         #size-cells = <0>;
  190 
  191         sensor@4c {
  192             compatible = "onnn,nct1008";
  193             reg = <0x4c>;
  194             vcc-supply = <&palmas_ldo6_reg>;
  195             interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
  196             #thermal-sensor-cells = <1>;
  197         };
  198     };
  199   - |
  200     i2c {
  201       #address-cells = <1>;
  202       #size-cells = <0>;
  203 
  204       sensor@4c {
  205         compatible = "adi,adt7481";
  206         reg = <0x4c>;
  207         #address-cells = <1>;
  208         #size-cells = <0>;
  209 
  210         channel@0 {
  211           reg = <0x0>;
  212           label = "local";
  213         };
  214 
  215         channel@1 {
  216           reg = <0x1>;
  217           label = "front";
  218           temperature-offset-millicelsius = <4000>;
  219         };
  220 
  221         channel@2 {
  222           reg = <0x2>;
  223           label = "back";
  224           temperature-offset-millicelsius = <750>;
  225         };
  226       };
  227     };

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