Documentation/devicetree/bindings/fsi/aspeed,ast2600-fsi-master.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/fsi/aspeed,ast2600-fsi-master.yaml

File Facts

System: Linux kernel
Corpus path: Documentation/devicetree/bindings/fsi/aspeed,ast2600-fsi-master.yaml
Extension: .yaml
Size: 2976 bytes
Lines: 122
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.

Dependency Surface

dt-bindings/clock/ast2600-clock.h
dt-bindings/gpio/aspeed-gpio.h
dt-bindings/interrupt-controller/arm-gic.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-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/fsi/aspeed,ast2600-fsi-master.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Aspeed FSI master

maintainers:
  - Eddie James <eajames@linux.ibm.com>

description:
  The AST2600 and later contain two identical FSI masters. They share a
  clock and have a separate interrupt line and output pins.

properties:
  compatible:
    enum:
      - aspeed,ast2600-fsi-master
      - aspeed,ast2700-fsi-master

  clocks:
    maxItems: 1

  cfam-reset-gpios:
    maxItems: 1
    description:
      Output GPIO pin for CFAM reset

  fsi-routing-gpios:
    maxItems: 1
    description:
      Output GPIO pin for setting the FSI mux (internal or cabled)

  fsi-mux-gpios:
    maxItems: 1
    description:
      Input GPIO pin for detecting the desired FSI mux state

  interrupts:
    maxItems: 1

if:
  properties:
    compatible:
      contains:
        enum:
          - aspeed,ast2600-fsi-master
then:
  properties:
    reg:
      maxItems: 1
else:
  properties:
    reg:
      minItems: 1
      items:
        - description: OPB control registers
        - description: FSI controller registers
        - description: FSI link address space
    reg-names:
      items:
        - const: opb
        - const: ctrl
        - const: fsi

required:
  - compatible
  - reg
  - clocks

Annotation

Immediate include surface: `dt-bindings/clock/ast2600-clock.h`, `dt-bindings/gpio/aspeed-gpio.h`, `dt-bindings/interrupt-controller/arm-gic.h`.
Atlas domain: Support Tooling And Documentation / Documentation.
Implementation status: atlas-only.

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.