Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml
Extension
.yaml
Size
3613 bytes
Lines
145
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.

Dependency Surface

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Annotated Snippet

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
# Copyright (c) 2020 MediaTek Inc.
%YAML 1.2
---
$id: http://devicetree.org/schemas/memory-controllers/mediatek,smi-larb.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: SMI (Smart Multimedia Interface) Local Arbiter

maintainers:
  - Yong Wu <yong.wu@mediatek.com>

description: |
  The hardware block diagram please check bindings/iommu/mediatek,iommu.yaml

properties:
  compatible:
    oneOf:
      - enum:
          - mediatek,mt2701-smi-larb
          - mediatek,mt2712-smi-larb
          - mediatek,mt6779-smi-larb
          - mediatek,mt6795-smi-larb
          - mediatek,mt6893-smi-larb
          - mediatek,mt8167-smi-larb
          - mediatek,mt8173-smi-larb
          - mediatek,mt8183-smi-larb
          - mediatek,mt8186-smi-larb
          - mediatek,mt8188-smi-larb
          - mediatek,mt8192-smi-larb
          - mediatek,mt8195-smi-larb

      - description: for mt7623
        items:
          - const: mediatek,mt7623-smi-larb
          - const: mediatek,mt2701-smi-larb

      - items:
          - const: mediatek,mt8365-smi-larb
          - const: mediatek,mt8186-smi-larb

  reg:
    maxItems: 1

  clocks:
    description: |
      apb and smi are mandatory. gals(global async local sync) is optional.
    minItems: 2
    items:
      - description: apb is Advanced Peripheral Bus clock, It's the clock for
          setting the register.
      - description: smi is the clock for transfer data and command.
      - description: the clock for gals.

  clock-names:
    minItems: 2
    maxItems: 3

  power-domains:
    maxItems: 1

  mediatek,smi:
    $ref: /schemas/types.yaml#/definitions/phandle
    description: a phandle to the smi_common node.

  mediatek,larb-id:
    $ref: /schemas/types.yaml#/definitions/uint32
    minimum: 0
    maximum: 31
    description: the hardware id of this larb. It's only required when this

Annotation

Implementation Notes