June 2017
Intermediate to advanced
478 pages
13h 14m
English
Content preview from Mastering Embedded Linux Programming - Second Edition
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Device trees
I gave you an introduction to device trees in Chapter 3, All About Bootloaders. Here, I want to show you how the Linux device drivers hook up with this information.
As an example, I will use the ARM Versatile board, arch/arm/boot/dts/versatile-ab.dts, for which the Ethernet adapter is defined here:
net@10010000 { compatible = "smsc,lan91c111"; reg = <0x10010000 0x10000>; interrupts = <25>; };
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.