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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
dt-bindings: interrupt-controller: Convert Synquacer EXIU to DT schema
Convert the Socionext Synquacer EXIU interrupt controller to DT schema
format.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221209171636.3351602-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
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-31
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Documentation/devicetree/bindings/interrupt-controller/socionext,synquacer-exiu.txt
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Documentation/devicetree/bindings/interrupt-controller/socionext,synquacer-exiu.txt
···
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Socionext SynQuacer External Interrupt Unit (EXIU)
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The Socionext Synquacer SoC has an external interrupt unit (EXIU)
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that forwards a block of 32 configurable input lines to 32 adjacent
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level-high type GICv3 SPIs.
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Required properties:
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- compatible : Should be "socionext,synquacer-exiu".
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- reg : Specifies base physical address and size of the
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control registers.
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- interrupt-controller : Identifies the node as an interrupt controller.
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- #interrupt-cells : Specifies the number of cells needed to encode an
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interrupt source. The value must be 3.
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- socionext,spi-base : The SPI number of the first SPI of the 32 adjacent
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ones the EXIU forwards its interrups to.
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Notes:
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- Only SPIs can use the EXIU as an interrupt parent.
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Example:
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exiu: interrupt-controller@510c0000 {
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compatible = "socionext,synquacer-exiu";
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reg = <0x0 0x510c0000 0x0 0x20>;
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interrupt-controller;
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interrupt-parent = <&gic>;
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#interrupt-cells = <3>;
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socionext,spi-base = <112>;
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};
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Documentation/devicetree/bindings/interrupt-controller/socionext,synquacer-exiu.yaml
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Documentation/devicetree/bindings/interrupt-controller/socionext,synquacer-exiu.yaml
···
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/interrupt-controller/socionext,synquacer-exiu.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Socionext SynQuacer External Interrupt Unit (EXIU)
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maintainers:
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- Ard Biesheuvel <ardb@kernel.org>
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description: |+
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The Socionext SynQuacer SoC has an external interrupt unit (EXIU)
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that forwards a block of 32 configurable input lines to 32 adjacent
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level-high type GICv3 SPIs.
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properties:
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compatible:
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const: socionext,synquacer-exiu
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reg:
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maxItems: 1
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'#interrupt-cells':
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const: 3
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interrupt-controller: true
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socionext,spi-base:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: The SPI number of the first SPI of the 32 adjacent ones the
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EXIU forwards its interrupts to.
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required:
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- compatible
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- reg
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- '#interrupt-cells'
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- interrupt-controller
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- socionext,spi-base
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unevaluatedProperties: false
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examples:
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- |
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interrupt-controller@510c0000 {
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compatible = "socionext,synquacer-exiu";
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reg = <0x510c0000 0x20>;
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interrupt-controller;
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interrupt-parent = <&gic>;
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#interrupt-cells = <3>;
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socionext,spi-base = <112>;
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};
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...