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3151c26c81
Convert the Arm Versatile FPGA interrupt controller binding to schema format. It's a straight-forward conversion of the typical interrupt controller. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20250505144558.1286889-1-robh@kernel.org Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
61 lines
1.5 KiB
YAML
61 lines
1.5 KiB
YAML
# 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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$id: http://devicetree.org/schemas/interrupt-controller/arm,versatile-fpga-irq.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: ARM Versatile FPGA IRQ Controller
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maintainers:
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- Linus Walleij <linus.walleij@linaro.org>
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description:
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One or more FPGA IRQ controllers can be synthesized in an ARM reference board
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such as the Integrator or Versatile family. The output of these different
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controllers are OR:ed together and fed to the CPU tile's IRQ input. Each
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instance can handle up to 32 interrupts.
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properties:
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compatible:
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const: arm,versatile-fpga-irq
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interrupt-controller: true
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'#interrupt-cells':
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const: 1
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reg:
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maxItems: 1
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clear-mask:
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description: A mask written to clear all IRQs on the controller at boot.
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$ref: /schemas/types.yaml#/definitions/uint32
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valid-mask:
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description:
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A bit mask determining which interrupts are valid; unused lines are set to 0.
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$ref: /schemas/types.yaml#/definitions/uint32
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interrupts:
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maxItems: 1
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additionalProperties: false
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required:
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- compatible
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- interrupt-controller
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- '#interrupt-cells'
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- reg
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- clear-mask
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- valid-mask
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examples:
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- |
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interrupt-controller@14000000 {
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compatible = "arm,versatile-fpga-irq";
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#interrupt-cells = <1>;
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interrupt-controller;
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reg = <0x14000000 0x100>;
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clear-mask = <0xffffffff>;
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valid-mask = <0x003fffff>;
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};
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