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mb/google/puff: comment schematics changes for USB 

USB routing has changed on reference schematics after Puff rev1 has
built. This may confuse people trying to c&p devicetree from the Puff.
So add comment to clearly note that there was change, hopefully
preventing c&p errors.

BUG=b:153682207
BRANCH=None
TEST=None

Signed-off-by: Kangheui Won <khwon@chromium.org>
Change-Id: I5c43a5c04c81b6708c9eeabc48ef11961d7c8561
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40546
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Kangheui Won 2020-04-21 17:55:53 +10:00 committed by Patrick Georgi
parent 9138eee4f7
commit b8d083ec74
1 changed files with 3 additions and 0 deletions
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3
src/mainboard/google/hatch/variants/puff/overridetree.cb
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@ -21,6 +21,9 @@ chip soc/intel/cannonlake
}"
# USB configuration
# NOTE: This only applies to Puff,
# usb2_ports[1] and usb2_ports[3] were swapped on
# reference schematics after Puff has been built.
register "usb2_ports[0]" = "USB2_PORT_MID(OC2)" # Type-A Port 2
register "usb2_ports[1]" = "USB2_PORT_TYPE_C(OC_SKIP)" # Type-C Port
register "usb2_ports[2]" = "{