Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml
Extension
.yaml
Size
1633 bytes
Lines
81
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/spacemit,sdhci.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: SpacemiT SDHCI Controller

maintainers:
  - Yixun Lan <dlan@gentoo.org>

allOf:
  - $ref: mmc-controller.yaml#

properties:
  compatible:
    enum:
      - spacemit,k1-sdhci
      - spacemit,k3-sdhci

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    items:
      - description: core clock, used by internal controller
      - description: io clock, output for SD, SDIO, eMMC device

  clock-names:
    items:
      - const: core
      - const: io

  resets:
    items:
      - description: axi reset, connect to AXI bus, shared by all controllers
      - description: sdh reset, connect to individual controller separately

  reset-names:
    items:
      - const: axi
      - const: sdh

  pinctrl-names:
    minItems: 1
    items:
      - const: default
      - const: uhs

  pinctrl-0:
    description: Default pinctrl state for 3.3V operation

  pinctrl-1:
    description: Optional pinctrl state for 1.8V UHS operation with "uhs" name

required:
  - compatible
  - reg
  - interrupts
  - clocks
  - clock-names

unevaluatedProperties: false

examples:
  - |
    mmc@d4281000 {

Annotation

Implementation Notes