Documentation/devicetree/bindings/media/renesas,ceu.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/media/renesas,ceu.yaml

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System
Linux kernel
Corpus path
Documentation/devicetree/bindings/media/renesas,ceu.yaml
Extension
.yaml
Size
1817 bytes
Lines
83
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 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/media/renesas,ceu.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Renesas Capture Engine Unit (CEU)

maintainers:
  - Jacopo Mondi <jacopo+renesas@jmondi.org>
  - linux-renesas-soc@vger.kernel.org

description: |+
  The Capture Engine Unit is the image capture interface found in the Renesas SH
  Mobile, R-Mobile and RZ SoCs. The interface supports a single parallel input
  with data bus width of 8 or 16 bits.

properties:
  compatible:
    enum:
      - renesas,r7s72100-ceu
      - renesas,r8a7740-ceu

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    maxItems: 1

  power-domains:
    maxItems: 1

  port:
    $ref: /schemas/graph.yaml#/$defs/port-base
    unevaluatedProperties: false

    properties:
      endpoint:
        $ref: video-interfaces.yaml#
        unevaluatedProperties: false

        properties:
          hsync-active: true
          vsync-active: true
          field-even-active: false
          bus-width:
            enum: [8, 16]
            default: 8

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

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/clock/r7s72100-clock.h>

    ceu: ceu@e8210000 {
        reg = <0xe8210000 0x209c>;
        compatible = "renesas,r7s72100-ceu";

Annotation

Implementation Notes