Wi-Fi® Link Controller Linux Porting Guide

1 Quick References

1.1 Hardware Prerequisites

1.2 Software Prerequisites

1.3 Acronyms and Abbreviations

2 Driver Architecture

2.1 WILCS02 Linux Driver Architecture

2.2 ATWILC1000 Linux Driver Architecture

2.3 ATWILC3000 Linux Driver Architecture

2.4 Driver Modules

3 Kernel Modifications

3.1 Driver Source Code Integration

3.2 Firmware Integration

3.3 Kernel Configuration

4 Buildroot Modifications

4.1 Enable wpa_supplicant

4.2 Enable hostapd

4.3 Enable dhcp

4.4 Enable libnl

4.5 Enable openssl

5 Porting Driver

5.1 ATWILC1000/3000 Power Control

5.3 SPI Configuration

5.4 SPI Mode of SDIO

5.6 General Purpose IOs

6 WILC3000 BLE Specifics

6.1 Vendor-Specific HCI Commands

6.2 Bluetooth® Firmware Download

7 Suspend/Resume

7.1 Host Wake-up

Appendix A – Loading WILCS02/ATWILC1000/3000 Module

Appendix B – WILC SDIO Communication

Appendix C – WILC SDIO Protocol Example

Appendix D – Troubleshooting Kernel Bootup Issue

8 Appendix E – Multi-Kernel Support

9 Appendix F – Kernel Version Suggested for Firmware

10 Document Revision History

Microchip Information

Microchip Devices Code Protection Feature