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JH7110
DMA Developing Guide
VisionFive 2
Version: 1.0
Date: 2022/11/10
Doc ID: JH7110-DGEN-007
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Legal Statements
Important legal notice before reading this documentation.
Preface
About this guide and technical support information.
Introduction
Function Introduction
Block Diagram
Source Code Structure
Device Tree Overview
Device Tree Source Code
Configuration
Kernel Menu Configuration
Device Tree Configuration
DMA Requester Device Tree Configuration
Interface Description
dma_request_channel
dma_release_channel
dmaengine_slave_config
dmaengine_prep_dma_cyclic
dmaengine_prep_slave_sg
dmaengine_submit
dma_async_issue_pending
dmaengine_terminate_all
Work Process
General Work Process
Work Notices
Use Example
