[coreboot-gerrit] Change in coreboot[master]: mb/google/volteer/var/elemi: Configure USB2 ports

[Patrick Georgi (Code Review)]

Patrick Georgi has submitted this change. ( https://review.coreboot.org/c/coreboot/+/49473 )

Change subject: mb/google/volteer/var/elemi: Configure USB2 ports
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mb/google/volteer/var/elemi: Configure USB2 ports

Configure the USB2 port 3/4/9
1. USB2 port3 assign to WWAN, and elemi have no WWAN.
2. USB2 port4/port9 connect to Type-C C1/C0

BUG=b:177483059
TEST=emerge-volteer coreboot

Signed-off-by: Wisley Chen 
Change-Id: I9affc69cc325b5eb0219b50bfe46f66eb0bb2016
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49473
Reviewed-by: Tim Wawrzynczak 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/volteer/variants/elemi/overridetree.cb
1 file changed, 9 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Tim Wawrzynczak: Looks good to me, approved

diff --git a/src/mainboard/google/volteer/variants/elemi/overridetree.cb b/src/mainboard/google/volteer/variants/elemi/overridetree.cb
index c30dce3..d8215bf 100644
--- a/src/mainboard/google/volteer/variants/elemi/overridetree.cb
+++ b/src/mainboard/google/volteer/variants/elemi/overridetree.cb
@@ -70,6 +70,15 @@
    	},
    }"

+	# Disable M.2 WWAN
+	register "usb2_ports[2]" = "USB2_PORT_EMPTY"
+
+	# Type-A / Type-C C1
+	register "usb2_ports[3]" = "USB2_PORT_TYPE_C(OC_SKIP)"
+
+	# Type-A / Type-C C0
+	register "usb2_ports[8]" = "USB2_PORT_TYPE_C(OC_SKIP)"
+
    device domain 0 on
    	device ref north_xhci on
    		chip drivers/usb/acpi