dm: usb: Add a README for driver model

Add some documentation describing how USB is implemented with USB. This might make things easier for people to understand. Signed-off-by: Simon Glass <sjg@chromium.org>

dm: usb: Add a README for driver model
Add some documentation describing how USB is implemented with USB. This might make things easier for people to understand. Signed-off-by: Simon Glass <sjg@chromium.org>
5fd2733e · Simon Glass · e00cb223 · 5fd2733e
Commit 5fd2733e authored Mar 25, 2015 by Simon Glass
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doc/driver-model/usb-info.txt doc/driver-model/usb-info.txt +415 -0

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