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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
# Copyright (C) 2015, 2024, Intel Corporation
%YAML 1.2
---
$id: http://devicetree.org/schemas/interrupt-controller/altr,msi-controller.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Altera PCIe MSI controller
maintainers:
- Matthew Gerlach <matthew.gerlach@linux.intel.com>
properties:
compatible:
enum:
- altr,msi-1.0
reg:
items:
- description: CSR registers
- description: Vectors slave port region
reg-names:
items:
- const: csr
- const: vector_slave
interrupts:
maxItems: 1
msi-controller: true
num-vectors:
description: number of vectors
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 1
maximum: 32
required:
- compatible
- reg
- reg-names
- interrupts
- msi-controller
- num-vectors
allOf:
- $ref: /schemas/interrupt-controller/msi-controller.yaml#
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
msi@ff200000 {
compatible = "altr,msi-1.0";
reg = <0xff200000 0x00000010>,
<0xff200010 0x00000080>;
reg-names = "csr", "vector_slave";
interrupt-parent = <&hps_0_arm_gic_0>;
interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
msi-controller;
num-vectors = <32>;
};
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