1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 # Copyright 2019 Analog Devices Inc.
3 %YAML 1.2
4 ---
5 $id: http://devicetree.org/schemas/hwmon/adi,axi-fan-control.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
7
8 title: Analog Devices AXI FAN Control
9
10 maintainers:
11 - Nuno Sá <nuno.sa@analog.com>
12
13 description: |+
14 Bindings for the Analog Devices AXI FAN Control driver. Specifications of the
15 core can be found in:
16
17 https://wiki.analog.com/resources/fpga/docs/axi_fan_control
18
19 properties:
20 compatible:
21 enum:
22 - adi,axi-fan-control-1.00.a
23
24 reg:
25 maxItems: 1
26
27 clocks:
28 maxItems: 1
29
30 interrupts:
31 maxItems: 1
32
33 pulses-per-revolution:
34 description:
35 Value specifying the number of pulses per revolution of the controlled
36 FAN.
37 $ref: /schemas/types.yaml#/definitions/uint32
38 enum: [1, 2, 4]
39
40 required:
41 - compatible
42 - reg
43 - clocks
44 - interrupts
45 - pulses-per-revolution
46
47 additionalProperties: false
48
49 examples:
50 - |
51 fpga_axi: fpga-axi {
52 #address-cells = <0x2>;
53 #size-cells = <0x1>;
54
55 axi_fan_control: axi-fan-control@80000000 {
56 compatible = "adi,axi-fan-control-1.00.a";
57 reg = <0x0 0x80000000 0x10000>;
58 clocks = <&clk 71>;
59 interrupts = <0 110 0>;
60 pulses-per-revolution = <2>;
61 };
62 };
63 ...
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