Documentation/devicetree/bindings/auxdisplay/holtek,ht16k33.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/auxdisplay/holtek,ht16k33.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/auxdisplay/holtek,ht16k33.yaml
Extension
.yaml
Size
2705 bytes
Lines
104
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/auxdisplay/holtek,ht16k33.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Holtek HT16K33 RAM mapping 16*8 LED controller with keyscan

maintainers:
  - Robin van der Gracht <robin@protonic.nl>

allOf:
  - $ref: /schemas/input/input.yaml#
  - $ref: /schemas/input/matrix-keymap.yaml#

properties:
  compatible:
    oneOf:
      - items:
          - enum:
              - adafruit,3108  # 0.56" 4-Digit 7-Segment FeatherWing Display (Red)
              - adafruit,3130  # 0.54" Quad Alphanumeric FeatherWing Display (Red)
          - const: holtek,ht16k33

      - const: holtek,ht16k33     # Generic 16*8 LED controller with dot-matrix display

  reg:
    maxItems: 1

  refresh-rate-hz:
    maxItems: 1
    description: Display update interval in Hertz for dot-matrix displays

  interrupts:
    maxItems: 1

  debounce-delay-ms: true

  linux,keymap: true

  linux,no-autorepeat:
    type: boolean
    description: Disable keyrepeat

  default-brightness-level:
    minimum: 1
    maximum: 16
    default: 16
    description: Initial brightness level

  led:
    type: object
    $ref: /schemas/leds/common.yaml#
    unevaluatedProperties: false

required:
  - compatible
  - reg

if:
  properties:
    compatible:
      const: holtek,ht16k33
then:
  required:
    - refresh-rate-hz

unevaluatedProperties: false

examples:

Annotation

Implementation Notes