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Wednesday, October 12 • 10:45 - 11:35
Devicetree Hardware Autoconfiguration - Hans de Goede, Red Hat

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One can buy 7" android tablets for aprox 35 usd now, assuming one gets the standard q8 Allwinner based model these are actually supported by the mainline linux kernel now.

These tablets use a standard case + SoC + display, which get paired with a different touchscreen-controller, accelerometer and wifi chip for every other batch.

This talk will outline my experience in making a single devicetree file covering all variants using an in kernel hardware autodetection module which creates and applies devicetree changesets depending on the detected hardware.

This talk will give the audience an idea what is and is not possible wrt dynamic devicetree usage as well as give does and don'ts for people who want to use dynamic devicetree themselves.

Speakers
avatar for Hans de Goede

Hans de Goede

Senior Software Engineer, Red Hat
Hans has been a Linux developer since 1996, working for Red Hat since 2008. He primarily works on Linux webcam support, USB redirection for virtual machines and has recently joined Red Hat's Graphics team. In his spare time Hans works on Linux support for Allwinner ARM SoCs. Hans has given talks on a variety of topics at Fosdem, Plumbers and KVM forum.


Wednesday October 12, 2016 10:45 - 11:35
Salon 1 Moskau - Ground Level
  • Experience Level Any