Change in coreboot[master]: mb/google/volteer/variants/eldrid: Configure USB2 port for Type-C

[Patrick Georgi (Code Review)]

Patrick Georgi has submitted this change. ( https://review.coreboot.org/c/coreboot/+/49452 )

Change subject: mb/google/volteer/variants/eldrid: Configure USB2 port for Type-C
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mb/google/volteer/variants/eldrid: Configure USB2 port for Type-C

1. USB2 ports 3 and 8 assigned to Type-C connector
2. USB2 port 3 keep USB2_PORT_SHORT setting and add .type_c flag

BUG=b:177481076
TEST=tested on eldrid

Signed-off-by: Nick Chen 
Change-Id: I42a39318a151bdf1f5aeb84bb1992be128cb4a4d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49452
Tested-by: build bot (Jenkins) 
Reviewed-by: Tim Wawrzynczak 
---
M src/mainboard/google/volteer/variants/eldrid/overridetree.cb
1 file changed, 12 insertions(+), 1 deletion(-)

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

diff --git a/src/mainboard/google/volteer/variants/eldrid/overridetree.cb b/src/mainboard/google/volteer/variants/eldrid/overridetree.cb
index 08d013e..d7ea9d3 100644
--- a/src/mainboard/google/volteer/variants/eldrid/overridetree.cb
+++ b/src/mainboard/google/volteer/variants/eldrid/overridetree.cb
@@ -66,7 +66,15 @@
    register "usb2_ports[2]" = "USB2_PORT_EMPTY"

#improve the USB2 Port1 eye diagram
-	register "usb2_ports[3]" = "USB2_PORT_SHORT(OC_SKIP)"
+	register "usb2_ports[3]" = "{
+		.enable = 1,
+		.ocpin = OC_SKIP,
+		.tx_bias = USB2_BIAS_39P35MV,
+		.tx_emp_enable = USB2_DE_EMP_ON_PRE_EMP_ON,
+		.pre_emp_bias = USB2_BIAS_39P35MV,
+		.pre_emp_bit = USB2_FULL_BIT_PRE_EMP,
+		.type_c = 1,
+	}"

#lower camera driving
    register "usb2_ports[4]" = "{
@@ -77,6 +85,9 @@
    	.pre_emp_bit = 0,
    }"

+	#Type-A / Type-C C0
+	register "usb2_ports[8]" = "USB2_PORT_TYPE_C(OC_SKIP)"
+
    device domain 0 on
    	device ref dptf on
    		# DPTF Policy for Eldrid board