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28292ae663
This patch adds explicit handling of open-drain outputs and adds Hi-Z for high-impedence state (floating) outputs. Signed-off-by: David Hendricks <dhendrix@chromium.org> BUG=none TEST=compile tested Change-Id: I1a0c2e8366f6a82cd9cd7e83e57122944f2bdc2d
- EC Lib
This wraps Blizzard driverlib and implements the EC chip interface defined
by Google. See below diagram for architecture.
+--------------------+
| Host BIOS/OS |
+--------------------+
---- host interface ----
+--------------------+
| Google EC features |
+--------------------+
---- chip interface ---- The interface is defined in
src/platform/ec/chip_interface/*.
+--------------------+ But the real implementation is in EC Lib.
| EC Lib |
+--------------------+
| Blizzard low level |
| driver, the |
| driverlib. |
+--------------------+