Documentation/devicetree/bindings/ufs/ti,j721e-ufs.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/ufs/ti,j721e-ufs.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/ufs/ti,j721e-ufs.yaml
Extension
.yaml
Size
2097 bytes
Lines
91
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
%YAML 1.2
---
$id: http://devicetree.org/schemas/ufs/ti,j721e-ufs.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: TI J721e UFS Host Controller Glue Driver

maintainers:
  - Vignesh Raghavendra <vigneshr@ti.com>

properties:
  compatible:
    items:
      - const: ti,j721e-ufs

  reg:
    maxItems: 1
    description: address of TI UFS glue registers

  clocks:
    maxItems: 1
    description: phandle to the M-PHY clock

  power-domains:
    maxItems: 1

  assigned-clocks:
    maxItems: 1

  assigned-clock-parents:
    maxItems: 1

  "#address-cells":
    const: 2

  "#size-cells":
    const: 2

  ranges: true

required:
  - compatible
  - reg
  - clocks
  - power-domains

patternProperties:
  "^ufs@[0-9a-f]+$":
    $ref: cdns,ufshc.yaml
    description: |
      Cadence UFS controller node must be the child node.
    unevaluatedProperties: false

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/irq.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>

    bus {
        #address-cells = <2>;
        #size-cells = <2>;

        ufs-wrapper@4e80000 {
            compatible = "ti,j721e-ufs";
            reg = <0x0 0x4e80000 0x0 0x100>;
            power-domains = <&k3_pds 277>;
            clocks = <&k3_clks 277 1>;

Annotation

Implementation Notes