Documentation/devicetree/bindings/interrupt-controller/apm,xgene1-msi.yaml

File Facts

System

Linux kernel

Corpus path

Documentation/devicetree/bindings/interrupt-controller/apm,xgene1-msi.yaml

Extension

.yaml

Size

1276 bytes

Lines

55

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

• No C-style include directives detected by the generator.

Detected Declarations

• No top-level syscall, struct, function, initcall, or export declaration detected by the generator.

Annotated Snippet

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/interrupt-controller/apm,xgene1-msi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: AppliedMicro X-Gene v1 PCIe MSI controller

maintainers:
  - Toan Le <toan@os.amperecomputing.com>

properties:
  compatible:
    const: apm,xgene1-msi

  msi-controller: true

  reg:
    maxItems: 1

  interrupts:
    maxItems: 16

required:
  - compatible
  - msi-controller
  - reg
  - interrupts

additionalProperties: false

examples:
  - |
    msi@79000000 {
        compatible = "apm,xgene1-msi";
        msi-controller;
        reg = <0x79000000 0x900000>;
        interrupts = <0x0 0x10 0x4>,
                     <0x0 0x11 0x4>,
                     <0x0 0x12 0x4>,
                     <0x0 0x13 0x4>,
                     <0x0 0x14 0x4>,
                     <0x0 0x15 0x4>,
                     <0x0 0x16 0x4>,
                     <0x0 0x17 0x4>,
                     <0x0 0x18 0x4>,
                     <0x0 0x19 0x4>,
                     <0x0 0x1a 0x4>,
                     <0x0 0x1b 0x4>,
                     <0x0 0x1c 0x4>,
                     <0x0 0x1d 0x4>,
                     <0x0 0x1e 0x4>,
                     <0x0 0x1f 0x4>;
    };

Annotation

• 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.