Documentation/devicetree/bindings/timer/nvidia,tegra186-timer.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/timer/nvidia,tegra186-timer.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/timer/nvidia,tegra186-timer.yaml
Extension
.yaml
Size
3408 bytes
Lines
109
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/timer/nvidia,tegra186-timer.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: NVIDIA Tegra186 timer

maintainers:
  - Thierry Reding <treding@nvidia.com>

description: >
  The Tegra timer provides 29-bit timer counters and a 32-bit timestamp
  counter. Each NV timer selects its timing reference signal from the 1 MHz
  reference generated by USEC, TSC or either clk_m or OSC. Each TMR can be
  programmed to generate one-shot, periodic, or watchdog interrupts.

properties:
  compatible:
    oneOf:
      - const: nvidia,tegra186-timer
        description: >
          The Tegra186 timer provides ten 29-bit timer counters.
      - const: nvidia,tegra234-timer
        description: >
          The Tegra234 timer provides sixteen 29-bit timer counters.

  reg:
    maxItems: 1

  interrupts: true

allOf:
  - if:
      properties:
        compatible:
          contains:
            const: nvidia,tegra186-timer
    then:
      properties:
        interrupts:
          maxItems: 10
          description: >
            One per each timer channels 0 through 9.

  - if:
      properties:
        compatible:
          contains:
            const: nvidia,tegra234-timer
    then:
      properties:
        interrupts:
          maxItems: 16
          description: >
            One per each timer channels 0 through 15.

required:
  - compatible
  - reg
  - interrupts

additionalProperties: false

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

    timer@3010000 {

Annotation

Implementation Notes