Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra234-nvdec.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra234-nvdec.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra234-nvdec.yaml
Extension
.yaml
Size
4337 bytes
Lines
157
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 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpu/host1x/nvidia,tegra234-nvdec.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: NVIDIA Tegra234 NVDEC

description: |
  NVDEC is the hardware video decoder present on NVIDIA Tegra210
  and newer chips. It is located on the Host1x bus and typically
  programmed through Host1x channels.

maintainers:
  - Thierry Reding <treding@gmail.com>
  - Mikko Perttunen <mperttunen@nvidia.com>

properties:
  $nodename:
    pattern: "^nvdec@[0-9a-f]*$"

  compatible:
    enum:
      - nvidia,tegra234-nvdec

  reg:
    maxItems: 1

  clocks:
    maxItems: 3

  clock-names:
    items:
      - const: nvdec
      - const: fuse
      - const: tsec_pka

  resets:
    maxItems: 1

  reset-names:
    items:
      - const: nvdec

  power-domains:
    maxItems: 1

  iommus:
    maxItems: 1

  dma-coherent: true

  interconnects:
    items:
      - description: DMA read memory client
      - description: DMA write memory client

  interconnect-names:
    items:
      - const: dma-mem
      - const: write

  nvidia,memory-controller:
    $ref: /schemas/types.yaml#/definitions/phandle
    description:
      phandle to the memory controller for determining information for the NVDEC
      firmware secure carveout. This carveout is configured by the bootloader and
      not accessible to CPU.

  nvidia,bl-manifest-offset:

Annotation

Implementation Notes