Documentation/devicetree/bindings/media/i2c/techwell,tw9900.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/media/i2c/techwell,tw9900.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/media/i2c/techwell,tw9900.yaml
Extension
.yaml
Size
3252 bytes
Lines
137
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/media/i2c/techwell,tw9900.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Techwell TW9900 NTSC/PAL video decoder

maintainers:
  - Mehdi Djait <mehdi.djait@bootlin.com>

description:
  The tw9900 is a multi-standard video decoder, supporting NTSC, PAL standards
  with auto-detection features.

properties:
  compatible:
    const: techwell,tw9900

  reg:
    maxItems: 1

  vdd-supply:
    description: VDD power supply

  reset-gpios:
    description: GPIO descriptor for the RESET input pin
    maxItems: 1

  powerdown-gpios:
    description: GPIO descriptor for the POWERDOWN input pin
    maxItems: 1

  ports:
    $ref: /schemas/graph.yaml#/properties/ports

    properties:
      port@0:
        $ref: /schemas/graph.yaml#/properties/port
        description: Analog input port

        properties:
          endpoint@0:
            $ref: /schemas/graph.yaml#/properties/endpoint
            description: CVBS over MUX0

          endpoint@1:
            $ref: /schemas/graph.yaml#/properties/endpoint
            description: CVBS over MUX1

          endpoint@2:
            $ref: /schemas/graph.yaml#/properties/endpoint
            description: Chroma over CIN0 and Y over MUX0

          endpoint@3:
            $ref: /schemas/graph.yaml#/properties/endpoint
            description: Chroma over CIN0 and Y over MUX1

        oneOf:
          - required:
              - endpoint@0
          - required:
              - endpoint@1
          - required:
              - endpoint@2
          - required:
              - endpoint@3

      port@1:
        $ref: /schemas/graph.yaml#/properties/port

Annotation

Implementation Notes