Documentation/devicetree/bindings/memory-controllers/nvidia,tegra20-mc.yaml
Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra20-mc.yaml
File Facts
- System
- Linux kernel
- Corpus path
Documentation/devicetree/bindings/memory-controllers/nvidia,tegra20-mc.yaml- Extension
.yaml- Size
- 1865 bytes
- Lines
- 80
- 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.
- Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.
Dependency Surface
- No C-style include directives detected by the generator.
Detected Declarations
- No top-level syscall, struct, function, initcall, or export declaration detected by the generator.
Annotated Snippet
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/memory-controllers/nvidia,tegra20-mc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: NVIDIA Tegra20 SoC Memory Controller
maintainers:
- Dmitry Osipenko <digetx@gmail.com>
- Jon Hunter <jonathanh@nvidia.com>
- Thierry Reding <thierry.reding@gmail.com>
description: |
The Tegra20 Memory Controller merges request streams from various client
interfaces into request stream(s) for the various memory target devices,
and returns response data to the various clients. The Memory Controller
has a configurable arbitration algorithm to allow the user to fine-tune
performance among the various clients.
Tegra20 Memory Controller includes the GART (Graphics Address Relocation
Table) which allows Memory Controller to provide a linear view of a
fragmented memory pages.
properties:
compatible:
const: nvidia,tegra20-mc-gart
reg:
items:
- description: controller registers
- description: GART registers
clocks:
maxItems: 1
clock-names:
items:
- const: mc
interrupts:
maxItems: 1
"#reset-cells":
const: 1
"#iommu-cells":
const: 0
"#interconnect-cells":
const: 1
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- "#reset-cells"
- "#iommu-cells"
- "#interconnect-cells"
additionalProperties: false
examples:
- |
memory-controller@7000f000 {
compatible = "nvidia,tegra20-mc-gart";
reg = <0x7000f000 0x400>, /* Controller registers */
<0x58000000 0x02000000>; /* GART aperture */
Annotation
- Atlas domain: Support Tooling And Documentation / Documentation.
- Implementation status: atlas-only.
Implementation Notes
- This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
- Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
- Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.