1 # SPDX-License-Identifier: GPL-2.0-only OR BSD 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/hwmon/fan-c 4 $id: http://devicetree.org/schemas/hwmon/fan-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Common Fan Properties 7 title: Common Fan Properties
8 8
9 maintainers: 9 maintainers:
10 - Naresh Solanki <naresh.solanki@9elements.co 10 - Naresh Solanki <naresh.solanki@9elements.com>
11 - Billy Tsai <billy_tsai@aspeedtech.com> 11 - Billy Tsai <billy_tsai@aspeedtech.com>
12 12
13 properties: 13 properties:
14 max-rpm: 14 max-rpm:
15 description: 15 description:
16 Max RPM supported by fan. 16 Max RPM supported by fan.
17 $ref: /schemas/types.yaml#/definitions/uin 17 $ref: /schemas/types.yaml#/definitions/uint32
18 maximum: 100000 18 maximum: 100000
19 19
20 min-rpm: 20 min-rpm:
21 description: 21 description:
22 Min RPM supported by fan. 22 Min RPM supported by fan.
23 $ref: /schemas/types.yaml#/definitions/uin 23 $ref: /schemas/types.yaml#/definitions/uint32
24 maximum: 1000 24 maximum: 1000
25 25
26 pulses-per-revolution: 26 pulses-per-revolution:
27 description: 27 description:
28 The number of pulse from fan sensor per 28 The number of pulse from fan sensor per revolution.
29 $ref: /schemas/types.yaml#/definitions/uin 29 $ref: /schemas/types.yaml#/definitions/uint32
30 maximum: 4 30 maximum: 4
31 31
32 tach-div: 32 tach-div:
33 description: 33 description:
34 Divisor for the tach sampling clock, whi 34 Divisor for the tach sampling clock, which determines the sensitivity of the tach pin.
35 $ref: /schemas/types.yaml#/definitions/uin 35 $ref: /schemas/types.yaml#/definitions/uint32
36 36
37 target-rpm: 37 target-rpm:
38 description: 38 description:
39 The default desired fan speed in RPM. 39 The default desired fan speed in RPM.
40 $ref: /schemas/types.yaml#/definitions/uin 40 $ref: /schemas/types.yaml#/definitions/uint32
41 41
42 fan-driving-mode: 42 fan-driving-mode:
43 description: 43 description:
44 Select the driving mode of the fan.(DC, 44 Select the driving mode of the fan.(DC, PWM and so on)
45 $ref: /schemas/types.yaml#/definitions/str 45 $ref: /schemas/types.yaml#/definitions/string
46 enum: [ dc, pwm ] 46 enum: [ dc, pwm ]
47 47
48 pwms: 48 pwms:
49 description: 49 description:
50 PWM provider. 50 PWM provider.
51 maxItems: 1 51 maxItems: 1
52 52
53 "#cooling-cells": 53 "#cooling-cells":
54 const: 2 54 const: 2
55 55
56 cooling-levels: 56 cooling-levels:
57 description: 57 description:
58 The control value which correspond to th 58 The control value which correspond to thermal cooling states.
59 $ref: /schemas/types.yaml#/definitions/uin 59 $ref: /schemas/types.yaml#/definitions/uint32-array
60 60
61 tach-ch: 61 tach-ch:
62 description: 62 description:
63 The tach channel used for the fan. 63 The tach channel used for the fan.
64 $ref: /schemas/types.yaml#/definitions/uin 64 $ref: /schemas/types.yaml#/definitions/uint8-array
65 65
66 label: 66 label:
67 description: 67 description:
68 Optional fan label 68 Optional fan label
69 69
70 fan-supply: 70 fan-supply:
71 description: 71 description:
72 Power supply for fan. 72 Power supply for fan.
73 73
74 reg: 74 reg:
75 maxItems: 1 75 maxItems: 1
76 76
77 additionalProperties: true 77 additionalProperties: true
78 78
79 ... 79 ...
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