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
8title: Analog Devices AXI FAN Control Device Tree Bindings
9
10maintainers:
11  - Nuno Sá <nuno.sa@analog.com>
12
13description: |+
14  Bindings for the Analog Devices AXI FAN Control driver. Spefications of the
15  core can be found in:
16
17  https://wiki.analog.com/resources/fpga/docs/axi_fan_control
18
19properties:
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
40required:
41  - compatible
42  - reg
43  - clocks
44  - interrupts
45  - pulses-per-revolution
46
47examples:
48  - |
49    fpga_axi: fpga-axi {
50            #address-cells = <0x2>;
51            #size-cells = <0x1>;
52
53            axi_fan_control: axi-fan-control@80000000 {
54                    compatible = "adi,axi-fan-control-1.00.a";
55                    reg = <0x0 0x80000000 0x10000>;
56                    clocks = <&clk 71>;
57                    interrupts = <0 110 0>;
58                    pulses-per-revolution = <2>;
59            };
60    };
61...
62