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drivers/intel/usb4: Add driver for USB4 retimer device

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The USB4 retimer device needs to declare a _DSM with specific functions
that allow for GPIO control to turn off the power when an external
device is not connected.  This driver allows the mainboard to provide
the GPIO that is connected to the power control.

BUG=b:156957424

Change-Id: Icfb85dc3c0885d828aba3855a66109043250ab86
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44918
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Duncan Laurie
2020-08-28 19:46:35 +00:00
committed by Patrick Georgi
parent b22dc1daf4
commit 2cc126be2c
7 changed files with 200 additions and 1 deletions
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2
Makefile.inc
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@@ -80,7 +80,7 @@ subdirs-y := src/lib src/commonlib/ src/console src/device src/acpi
subdirs-y += src/ec/acpi $(wildcard src/ec/*/*) $(wildcard src/southbridge/*/*)
subdirs-y += $(wildcard src/soc/*/*) $(wildcard src/northbridge/*/*)
subdirs-y += src/superio
subdirs-y += $(wildcard src/drivers/*) $(wildcard src/drivers/*/*)
subdirs-y += $(wildcard src/drivers/*) $(wildcard src/drivers/*/*) $(wildcard src/drivers/*/*/*)
subdirs-y += src/cpu src/vendorcode
subdirs-y += util/cbfstool util/sconfig util/nvramtool util/pgtblgen util/amdfwtool
subdirs-y += util/futility util/marvell util/bincfg util/supermicro