Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
63 lines
1.4 KiB
YAML
63 lines
1.4 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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$id: http://devicetree.org/schemas/interrupt-controller/arm,nvic.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: ARM Nested Vector Interrupt Controller (NVIC)
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maintainers:
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- Rob Herring <robh@kernel.org>
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description:
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The NVIC provides an interrupt controller that is tightly coupled to Cortex-M
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based processor cores. The NVIC implemented on different SoCs vary in the
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number of interrupts and priority bits per interrupt.
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properties:
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compatible:
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enum:
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- arm,armv7m-nvic # deprecated
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- arm,v6m-nvic
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- arm,v7m-nvic
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- arm,v8m-nvic
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reg:
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maxItems: 1
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'#address-cells':
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const: 0
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interrupt-controller: true
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'#interrupt-cells':
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enum: [1, 2]
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description: |
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Number of cells to encode an interrupt source:
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first = interrupt number, second = priority.
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arm,num-irq-priority-bits:
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description: Number of priority bits implemented by the SoC
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minimum: 1
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maximum: 8
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required:
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- compatible
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- reg
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- interrupt-controller
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- '#interrupt-cells'
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- arm,num-irq-priority-bits
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additionalProperties: false
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examples:
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- |
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interrupt-controller@e000e100 {
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compatible = "arm,v7m-nvic";
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#interrupt-cells = <2>;
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#address-cells = <0>;
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interrupt-controller;
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reg = <0xe000e100 0xc00>;
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arm,num-irq-priority-bits = <4>;
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};
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