Explore a comprehensive conference talk on Devicetree Hardware Autoconfiguration presented by Hans de Goede from Red Hat. Dive into the challenges and solutions for supporting low-cost Android tablets with mainline Linux kernels, focusing on the use of dynamic devicetree for hardware autodetection. Learn about the possibilities and limitations of dynamic devicetree usage, best practices, and implementation techniques. Gain insights into supporting various hardware configurations using a single devicetree file, and understand the intricacies of working with different components like touchscreen controllers, accelerometers, and WiFi chips. Benefit from de Goede's extensive experience in Linux development, particularly in areas such as webcam support, USB redirection, and graphics, as well as his work on Allwinner ARM SoCs.
Overview
Syllabus
Introduction
Tablets
Accelerometer
Hardware Manager
Chinese Tablets
Code
Conclusion
Devicetree Binding
Bootloader vs Kernel
Combination Explosion
Boot Loader
Devicetree
PostBootloader
Taught by
Linux Foundation