Attention is currently required from: Jason Glenesk, Raul Rangel, Martin Roth, Marshall Dawson, Felix Held.

Karthik Ramasubramanian uploaded patch set #4 to this change.

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soc/amd/cezanne: Configure I2C Pad RX Select through devicetree

Some of the I2C buses are required to operate at different voltage level
compared to other I2C buses eg. I2C bus to Google Security Chip (GSC)
should be at 1.8V level. By default, all the I2C buses are initialized
to operate at 3.3 V. Add support to configure I2C pad RX select through
devicetree and update the concerned devicetree.

BUG=b:188538373
TEST=Build and boot to OS in Guybrush. Ensure that the communication
with GSC is fine. Build Majolica mainboard.

Change-Id: I595a64736fdac0274abffb68c5e521302275b845
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
---
M src/mainboard/amd/majolica/devicetree.cb
M src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
M src/soc/amd/cezanne/chip.h
M src/soc/amd/cezanne/i2c.c
4 files changed, 17 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/49/55149/4

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