Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4
   5 $id: http://devicetree.org/schemas/hwmon/emc2305.yaml#
   6 $schema: http://devicetree.org/meta-schemas/core.yaml#
   7
   8 title: Microchip EMC230[1|2|3|5] RPM-based PWM Fan Speed Controller
   9
  10 properties:
  11   compatible:
  12     enum:
  13       - microchip,emc2305
  14       - microchip,emc2301
  15   emc2305,pwm-min:
  16     description:
  17       Min pwm of emc2305
  18     maxItems: 1
  19   emc2305,pwm-max:
  20     description:
  21       Max pwm of emc2305
  22     maxItems: 1
  23   emc2305,pwm-channel:
  24     description:
  25       Max number of pwm channels
  26     maxItems: 1
  27   emcs205,max-state:
  28     description:
  29     maxItems: 1
  30   emc2305,cooling-levels:
  31     description:
  32       Quantity of cooling level state.
  33     maxItems: 1
  34
  35 required:
  36   - compatible
  37
  38 optional:
  39   - emc2305,min-pwm
  40   - emc2305,max-pwm
  41   - emc2305,pwm-channels
  42   - emc2305,cooling-levels
  43
  44 additionalProperties: false
  45
  46 examples:
  47   - |
  48     fan {
  49         compatible = "microchip,emc2305";
  50         emc2305,pwm-min = <0>;
  51         emc2305,pwm-max = <255>;
  52         emc2305,pwm-channel = <5>
  53         emc2305,cooling-levels = <10>;
  54     };