Documentation/devicetree/bindings/mmc/mxs-mmc.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/mmc/mxs-mmc.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/mmc/mxs-mmc.yaml
Extension
.yaml
Size
1170 bytes
Lines
64
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.

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Annotated Snippet

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

title: Freescale MXS MMC controller

maintainers:
  - Shawn Guo <shawnguo@kernel.org>

description: |
  The Freescale MXS Synchronous Serial Ports (SSP) can act as a MMC controller
  to support MMC, SD, and SDIO types of memory cards.

  This file documents differences between the core properties in mmc.txt
  and the properties used by the mxsmmc driver.

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

properties:
  compatible:
    enum:
      - fsl,imx23-mmc
      - fsl,imx28-mmc

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    maxItems: 1

  dmas:
    maxItems: 1

  dma-names:
    const: rx-tx

required:
  - compatible
  - reg
  - interrupts
  - clocks
  - dmas
  - dma-names

unevaluatedProperties: false

examples:
  - |
    mmc@80010000 {
        compatible = "fsl,imx28-mmc";
        reg = <0x80010000 2000>;
        interrupts = <96>;
        clocks = <&clks 46>;
        dmas = <&dma_apbh 0>;
        dma-names = "rx-tx";
        bus-width = <8>;
    };

Annotation

Implementation Notes