Documentation/devicetree/bindings/mmc/fsl,esdhc.yaml

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

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/mmc/fsl,esdhc.yaml
Extension
.yaml
Size
2682 bytes
Lines
108
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/fsl,esdhc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Freescale Enhanced Secure Digital Host Controller (eSDHC)

description:
  The Enhanced Secure Digital Host Controller provides an interface
  for MMC, SD, and SDIO types of memory cards.

maintainers:
  - Frank Li <Frank.Li@nxp.com>

properties:
  compatible:
    items:
      - enum:
          - fsl,mpc8536-esdhc
          - fsl,mpc8378-esdhc
          - fsl,p2020-esdhc
          - fsl,p4080-esdhc
          - fsl,t1040-esdhc
          - fsl,t4240-esdhc
          - fsl,ls1012a-esdhc
          - fsl,ls1021a-esdhc
          - fsl,ls1028a-esdhc
          - fsl,ls1088a-esdhc
          - fsl,ls1043a-esdhc
          - fsl,ls1046a-esdhc
          - fsl,ls2080a-esdhc
      - const: fsl,esdhc

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    maxItems: 1

  clock-frequency:
    $ref: /schemas/types.yaml#/definitions/uint32
    description: specifies eSDHC base clock frequency.

  sdhci,wp-inverted:
    $ref: /schemas/types.yaml#/definitions/flag
    deprecated: true
    description:
      specifies that eSDHC controller reports
      inverted write-protect state; New devices should use the generic
      "wp-inverted" property.

  sdhci,1-bit-only:
    $ref: /schemas/types.yaml#/definitions/flag
    deprecated: true
    description:
      specifies that a controller can only handle
      1-bit data transfers. New devices should use the generic
      "bus-width = <1>" property.

  sdhci,auto-cmd12:
    $ref: /schemas/types.yaml#/definitions/flag
    description:
      specifies that a controller can only handle auto CMD12.

  voltage-ranges:
    $ref: /schemas/types.yaml#/definitions/uint32-matrix

Annotation

Implementation Notes