Documentation/devicetree/bindings/interrupt-controller/altr,msi-controller.yaml
Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/interrupt-controller/altr,msi-controller.yaml
File Facts
- System
- Linux kernel
- Corpus path
Documentation/devicetree/bindings/interrupt-controller/altr,msi-controller.yaml- Extension
.yaml- Size
- 1435 bytes
- Lines
- 66
- Domain
- Support Tooling And Documentation
- Bucket
- Documentation
- Inferred role
- Support Tooling And Documentation: configuration, schema, or hardware description
- Status
- atlas-only
Why This File Exists
Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.
- Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.
- Touches IRQ or DMA behavior; this matters for the representative real-device path.
Dependency Surface
dt-bindings/interrupt-controller/arm-gic.hdt-bindings/interrupt-controller/irq.h
Detected Declarations
- No top-level syscall, struct, function, initcall, or export declaration detected by the generator.
Annotated Snippet
# 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>;
};
Annotation
- Immediate include surface: `dt-bindings/interrupt-controller/arm-gic.h`, `dt-bindings/interrupt-controller/irq.h`.
- Atlas domain: Support Tooling And Documentation / Documentation.
- Implementation status: atlas-only.
- IRQ or DMA behavior appears here, which is relevant to the selected PCIe/NVMe device path.
Implementation Notes
- This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
- Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
- Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.