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     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 Device Tree Bindings
    9 
   10 maintainers:
   11   - Nuno Sá <nuno.sa@analog.com>
   12 
   13 description: |+
   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 
   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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