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A fairly detailed description of the driver is included in the
comments in the file.
As of this submission the setup is fairly brittle, as clock stretching
is not yet enabled, and there is no guarantee that the slave will
prepare the data for the master in time.
More testing will be required and enhancements will be added in the
future.
BRANCH=None
BUG=chrome-os-partner:40397
TEST=with the rest of the patches applied, an i2c app running on the
desktop allows read and write TPM registers using the
USB-FTDI-I2C cable connected to the B1 board.
Change-Id: I46b13d360ca92271702268f9088193b5ada583be
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/340519
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit For instructions on building from source, refer to http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly