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Tuesday, April 29 • 2:00pm - 2:50pm
Device Tree for Dummies - Thomas Petazzoni, Free Electrons

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The conversion of the ARM Linux kernel over to the Device Tree as the mechanism to describe the hardware has been a significant change for ARM kernel developers. Nowadays, all developers porting the Linux kernel on new ARM platforms, either new SOCs or new boards, have to work with the Device Tree. Based on practical examples, this talk intends to provide a ""getting started guide"" for newcomers in the Device Tree world: what is the Device Tree? How is it written and compiled? How do the bootloader and kernel interact? How are Device Tree bindings written and documented? What are the best practices for writing Device Trees and their bindings?

avatar for Thomas Petazzoni

Thomas Petazzoni

CTO and Embedded Linux Engineer, Free Electrons
Thomas Petazzoni is CTO and embedded Linux engineer at Free Electrons. Besides working on supporting ARM platforms in the Linux kernel, he is a major contributor to the Buildroot embedded Linux build system. Through his involvement in Buildroot, he has read and modified the autotools based build system of a large number of open-source components.

Tuesday April 29, 2014 2:00pm - 2:50pm
Salon I/II