Commit 5314187a authored by Rob Herring's avatar Rob Herring
Browse files

dt-bindings: interrupt-controller: Convert Synquacer EXIU to DT schema 



Convert the Socionext Synquacer EXIU interrupt controller to DT schema
format.

Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221209171636.3351602-1-robh@kernel.org


Signed-off-by: default avatarRob Herring <robh@kernel.org>
parent a98bf9df

Documentation/devicetree/bindings/interrupt-controller/socionext,synquacer-exiu.txt

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Socionext SynQuacer External Interrupt Unit (EXIU)



The Socionext Synquacer SoC has an external interrupt unit (EXIU)

that forwards a block of 32 configurable input lines to 32 adjacent

level-high type GICv3 SPIs.



Required properties:



- compatible           : Should be "socionext,synquacer-exiu".

- reg                  : Specifies base physical address and size of the

                         control registers.

- interrupt-controller : Identifies the node as an interrupt controller.

- #interrupt-cells     : Specifies the number of cells needed to encode an

                         interrupt source. The value must be 3.

- socionext,spi-base   : The SPI number of the first SPI of the 32 adjacent

                         ones the EXIU forwards its interrups to.



Notes:



- Only SPIs can use the EXIU as an interrupt parent.



Example:



	exiu: interrupt-controller@510c0000 {

		compatible = "socionext,synquacer-exiu";

		reg = <0x0 0x510c0000 0x0 0x20>;

		interrupt-controller;

		interrupt-parent = <&gic>;

		#interrupt-cells = <3>;

		socionext,spi-base = <112>;

	};

Documentation/devicetree/bindings/interrupt-controller/socionext,synquacer-exiu.yaml

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/interrupt-controller/socionext,synquacer-exiu.yaml#

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



title: Socionext SynQuacer External Interrupt Unit (EXIU)



maintainers:

  - Ard Biesheuvel <ardb@kernel.org>



description: |+

  The Socionext SynQuacer SoC has an external interrupt unit (EXIU)

  that forwards a block of 32 configurable input lines to 32 adjacent

  level-high type GICv3 SPIs.



properties:

  compatible:

    const: socionext,synquacer-exiu



  reg:

    maxItems: 1



  '#interrupt-cells':

    const: 3



  interrupt-controller: true



  socionext,spi-base:

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

    description: The SPI number of the first SPI of the 32 adjacent ones the

      EXIU forwards its interrupts to.



required:

  - compatible

  - reg

  - '#interrupt-cells'

  - interrupt-controller

  - socionext,spi-base



unevaluatedProperties: false



examples:

  - |

    interrupt-controller@510c0000 {

        compatible = "socionext,synquacer-exiu";

        reg = <0x510c0000 0x20>;

        interrupt-controller;

        interrupt-parent = <&gic>;

        #interrupt-cells = <3>;

        socionext,spi-base = <112>;

    };

...