Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.yaml

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System
Linux kernel
Corpus path
Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.yaml
Extension
.yaml
Size
1588 bytes
Lines
76
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/phy/intel,lgm-emmc-phy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Intel Lightning Mountain(LGM) eMMC PHY

maintainers:
  - Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@linux.intel.com>

description: |+
  Bindings for eMMC PHY on Intel's Lightning Mountain SoC, syscon
  node is used to reference the base address of eMMC phy registers.

  The eMMC PHY node should be the child of a syscon node with the
  required property:

  - compatible:         Should be one of the following:
                        "intel,lgm-syscon", "syscon"
  - reg:
      maxItems: 1

properties:
  compatible:
    enum:
      - intel,lgm-emmc-phy
      - intel,keembay-emmc-phy

  "#phy-cells":
    const: 0

  reg:
    maxItems: 1

  clocks:
    maxItems: 1

  clock-names:
    items:
      - const: emmcclk

required:
  - "#phy-cells"
  - compatible
  - reg
  - clocks

additionalProperties: false

examples:
  - |
    sysconf: chiptop@e0200000 {
      compatible = "intel,lgm-syscon", "syscon";
      reg = <0xe0200000 0x100>;
      #address-cells = <1>;
      #size-cells = <1>;

      emmc_phy: emmc-phy@a8 {
        compatible = "intel,lgm-emmc-phy";
        reg = <0x00a8 0x10>;
        clocks = <&emmc>;
        #phy-cells = <0>;
      };
    };

  - |
    phy@20290000 {
          compatible = "intel,keembay-emmc-phy";
          reg = <0x20290000 0x54>;

Annotation

Implementation Notes