dt-bindings: hwmon: Add AXI FAN Control documentation

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

# Copyright 2019 Analog Devices Inc.

%YAML 1.2

---

$id: http://devicetree.org/schemas/bindings/hwmon/adi,axi-fan-control.yaml#

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

title: Analog Devices AXI FAN Control Device Tree Bindings

maintainers:

  - Nuno Sá <nuno.sa@analog.com>

description: |+

  Bindings for the Analog Devices AXI FAN Control driver. Spefications of the

  core can be found in:

  https://wiki.analog.com/resources/fpga/docs/axi_fan_control

properties:

  compatible:

    enum:

        - adi,axi-fan-control-1.00.a

  reg:

    maxItems: 1

  clocks:

    maxItems: 1

  interrupts:

    maxItems: 1

  pulses-per-revolution:

    description:

      Value specifying the number of pulses per revolution of the controlled

      FAN.

    allOf:

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

    enum: [1, 2, 4]

required:

  - compatible

  - reg

  - clocks

  - interrupts

  - pulses-per-revolution

examples:

  - |

    fpga_axi: fpga-axi@0 {

            #address-cells = <0x2>;

            #size-cells = <0x1>;

            axi_fan_control: axi-fan-control@80000000 {

                    compatible = "adi,axi-fan-control-1.00.a";

                    reg = <0x0 0x80000000 0x10000>;

                    clocks = <&clk 71>;

                    interrupts = <0 110 0>;

                    pulses-per-revolution = <2>;

            };

    };

...

L:	linux-hwmon@vger.kernel.org

S:	Supported

F:	drivers/hwmon/axi-fan-control.c

F:	Documentation/devicetree/bindings/hwmon/adi,axi-fan-control.yaml

AXXIA I2C CONTROLLER

M:	Krzysztof Adamski <krzysztof.adamski@nokia.com>