Documentation/devicetree/bindings/hwmon/national,lm90.yaml

   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     };