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dm: usb: Add a uclass for USB controllers

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Add a uclass that can represent a USB controller. For now we do not create
devices for things attached to the controller. This will be added later.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Simon Glass
2015-03-25 12:21:59 -06:00
parent 56a71f891b
commit de31213fb8
6 changed files with 694 additions and 6 deletions
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include/dm/uclass-id.h
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@@ -40,6 +40,7 @@ enum uclass_id {
UCLASS_PCH, /* x86 platform controller hub */
UCLASS_ETH, /* Ethernet device */
UCLASS_LPC, /* x86 'low pin count' interface */
UCLASS_USB, /* USB bus */
UCLASS_COUNT,
UCLASS_INVALID = -1,