xref: /kernel/linux/linux-5.10/Documentation/devicetree/bindings/interrupt-controller/mrvl,intc.yaml

# SPDX-License-Identifier: GPL-2.0-only
%YAML 1.2
---
$id: http://devicetree.org/schemas/interrupt-controller/mrvl,intc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Marvell MMP/Orion Interrupt controller bindings

maintainers:
  - Thomas Gleixner <tglx@linutronix.de>
  - Jason Cooper <jason@lakedaemon.net>
  - Marc Zyngier <maz@kernel.org>
  - Rob Herring <robh+dt@kernel.org>

allOf:
  - if:
      properties:
        compatible:
          not:
            contains:
              const: marvell,orion-intc
    then:
      required:
        - mrvl,intc-nr-irqs
  - if:
      properties:
        compatible:
          contains:
            enum:
              - mrvl,mmp-intc
              - mrvl,mmp2-intc
    then:
      properties:
        reg:
          maxItems: 1
  - if:
      properties:
        compatible:
          contains:
            enum:
              - marvell,mmp3-intc
              - mrvl,mmp2-mux-intc
    then:
      properties:
        reg:
          minItems: 2
  - if:
      properties:
        compatible:
          contains:
            const: mrvl,mmp2-mux-intc
    then:
      properties:
        interrupts:
          maxItems: 1
        reg-names:
          items:
            - const: 'mux status'
            - const: 'mux mask'
      required:
        - interrupts
    else:
      properties:
        interrupts: false

properties:
  '#interrupt-cells':
    const: 1

  compatible:
    enum:
      - mrvl,mmp-intc
      - mrvl,mmp2-intc
      - marvell,mmp3-intc
      - marvell,orion-intc
      - mrvl,mmp2-mux-intc

  reg:
    minItems: 1
    maxItems: 2

  reg-names: true

  interrupts: true

  interrupt-controller: true

  mrvl,intc-nr-irqs:
    description: |
      Specifies the number of interrupts in the interrupt controller.
    $ref: /schemas/types.yaml#/definitions/uint32

  mrvl,clr-mfp-irq:
    description: |
      Specifies the interrupt that needs to clear MFP edge detection first.
    $ref: /schemas/types.yaml#/definitions/uint32

required:
  - '#interrupt-cells'
  - compatible
  - reg
  - interrupt-controller

additionalProperties: false

examples:
  - |
    interrupt-controller@d4282000 {
        compatible = "mrvl,mmp2-intc";
        interrupt-controller;
        #interrupt-cells = <1>;
        reg = <0xd4282000 0x1000>;
        mrvl,intc-nr-irqs = <64>;
    };

    interrupt-controller@d4282150 {
        compatible = "mrvl,mmp2-mux-intc";
        interrupts = <4>;
        interrupt-controller;
        #interrupt-cells = <1>;
        reg = <0x150 0x4>, <0x168 0x4>;
        reg-names = "mux status", "mux mask";
        mrvl,intc-nr-irqs = <2>;
    };
  - |
    interrupt-controller@fed20204 {
        compatible = "marvell,orion-intc";
        interrupt-controller;
        #interrupt-cells = <1>;
        reg = <0xfed20204 0x04>,
              <0xfed20214 0x04>;
    };

...