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dm: x86: Add a uclass for an Low Pin Count (LPC) device

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On x86 systems this device is commonly used to provide legacy port access.
It is sort-of a replacement for the old ISA bus.

Add a uclass for this, and allow it to have child devices.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2015-03-26 09:29:28 -06:00
parent 452f548753
commit a274e9cac5
3 changed files with 30 additions and 0 deletions
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include/dm/uclass-id.h
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@@ -39,6 +39,7 @@ enum uclass_id {
UCLASS_PCI_GENERIC, /* Generic PCI bus device */
UCLASS_PCH, /* x86 platform controller hub */
UCLASS_ETH, /* Ethernet device */
UCLASS_LPC, /* x86 'low pin count' interface */
UCLASS_COUNT,
UCLASS_INVALID = -1,