Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/hwmon/fan-common.yaml
26308 views
1
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause

2
%YAML 1.2

3
---

4
$id: http://devicetree.org/schemas/hwmon/fan-common.yaml#

5
$schema: http://devicetree.org/meta-schemas/core.yaml#

6


7
title: Common Fan Properties

8


9
maintainers:

10
  - Naresh Solanki <naresh.solanki@9elements.com>

11
  - Billy Tsai <billy_tsai@aspeedtech.com>

12


13
properties:

14
  max-rpm:

15
    description:

16
      Max RPM supported by fan.

17
    $ref: /schemas/types.yaml#/definitions/uint32

18
    maximum: 100000

19


20
  min-rpm:

21
    description:

22
      Min RPM supported by fan.

23
    $ref: /schemas/types.yaml#/definitions/uint32

24
    maximum: 1000

25


26
  pulses-per-revolution:

27
    description:

28
      The number of pulse from fan sensor per revolution.

29
    $ref: /schemas/types.yaml#/definitions/uint32

30
    maximum: 4

31


32
  tach-div:

33
    description:

34
      Divisor for the tach sampling clock, which determines the sensitivity of the tach pin.

35
    $ref: /schemas/types.yaml#/definitions/uint32

36


37
  target-rpm:

38
    description:

39
      The default desired fan speed in RPM.

40
    $ref: /schemas/types.yaml#/definitions/uint32

41


42
  fan-driving-mode:

43
    description:

44
      Select the driving mode of the fan.(DC, PWM and so on)

45
    $ref: /schemas/types.yaml#/definitions/string

46
    enum: [ dc, pwm ]

47


48
  pwms:

49
    description:

50
      PWM provider.

51
    maxItems: 1

52


53
  "#cooling-cells":

54
    const: 2

55


56
  cooling-levels:

57
    description:

58
      The control value which correspond to thermal cooling states.

59
    $ref: /schemas/types.yaml#/definitions/uint32-array

60


61
  tach-ch:

62
    description:

63
      The tach channel used for the fan.

64
    $ref: /schemas/types.yaml#/definitions/uint8-array

65


66
  label:

67
    description:

68
      Optional fan label

69


70
  fan-supply:

71
    description:

72
      Power supply for fan.

73


74
  reg:

75
    maxItems: 1

76


77
additionalProperties: true

78


79
...

80


81