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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/arm,nvic.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ARM Nested Vector Interrupt Controller (NVIC)
+
+maintainers:
+ - Rob Herring <robh@kernel.org>
+
+description:
+ The NVIC provides an interrupt controller that is tightly coupled to Cortex-M
+ based processor cores. The NVIC implemented on different SoCs vary in the
+ number of interrupts and priority bits per interrupt.
+
+properties:
+ compatible:
+ enum:
+ - arm,v6m-nvic
+ - arm,v7m-nvic
+ - arm,v8m-nvic
+
+ reg:
+ maxItems: 1
+
+ '#address-cells':
+ const: 0
+
+ interrupt-controller: true
+
+ '#interrupt-cells':
+ const: 2
+ description: |
+ Number of cells to encode an interrupt source:
+ first = interrupt number, second = priority.
+
+ arm,num-irq-priority-bits:
+ description: Number of priority bits implemented by the SoC
+ minimum: 1
+ maximum: 8
+
+required:
+ - compatible
+ - reg
+ - interrupt-controller
+ - '#interrupt-cells'
+ - arm,num-irq-priority-bits
+
+additionalProperties: false
+
+examples:
+ - |
+ interrupt-controller@e000e100 {
+ compatible = "arm,v7m-nvic";
+ #interrupt-cells = <2>;
+ #address-cells = <0>;
+ interrupt-controller;
+ reg = <0xe000e100 0xc00>;
+ arm,num-irq-priority-bits = <4>;
+ };