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ATWILC Devices Linux® Porting User's Guide
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ATWILC1000
ATWILC3000
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4
Porting Driver
4.2
SDIO
Introduction
Prerequisites
1
Driver Architecture
2
Kernel Modifications
3
Buildroot Modifications
4
Porting Driver
4.1
ATWILC Power Control
4.2
SDIO
4.2.1
Rescan SDIO Card
4.2.2
SDIO Card Detect
4.3
SPI
4.4
UART DMA
4.5
General Purpose IOs
5
Vendor Specific HCI Commands
6
Bluetooth Firmware Download
7
Suspend/Resume
Appendix A – Loading ATWILC Module
8
ATWILC SPI CRC Support
Appendix B – ATWILC SDIO Communication
Appendix C – ATWILC SDIO Protocol Example
Appendix D – Troubleshooting Kernel Bootup Issue
9
Appendix E – Kernel Version Suggested For Firmware
10
Appendix F – Multi-Kernel Support
11
Document Revision History
Microchip Information
4.2 SDIO
