Documentation/devicetree/bindings/mmc/socionext,uniphier-sd.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/mmc/socionext,uniphier-sd.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/mmc/socionext,uniphier-sd.yaml
Extension
.yaml
Size
2563 bytes
Lines
118
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

Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/mmc/socionext,uniphier-sd.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: UniPhier SD/SDIO/eMMC controller

maintainers:
  - Masahiro Yamada <yamada.masahiro@socionext.com>

properties:
  compatible:
    description: version 2.91, 3.1, 3.1.1, respectively
    enum:
      - socionext,uniphier-sd-v2.91
      - socionext,uniphier-sd-v3.1
      - socionext,uniphier-sd-v3.1.1

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    maxItems: 1

  dmas:
    maxItems: 1

  dma-names:
    const: rx-tx

  reset-names:
    description: |
      There are three reset signals at maximum
        host:   mandatory for all variants
        bridge: exist only for version 2.91
        hw:     optional. exist if eMMC hw reset line is available
    oneOf:
      - const: host
      - items:
          - const: host
          - const: bridge
      - items:
          - const: host
          - const: hw
      - items:
          - const: host
          - const: bridge
          - const: hw

  resets:
    minItems: 1
    maxItems: 3

  socionext,syscon-uhs-mode:
    $ref: /schemas/types.yaml#/definitions/phandle-array
    items:
      - items:
          - description: phandle to syscon that configures UHS mode
          - description: ID of SD instance
    description:
      A phandle to syscon with one argument that configures UHS mode.
      The argument is the ID of SD instance.

allOf:
  - $ref: mmc-controller.yaml

Annotation

Implementation Notes