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-rw-r--r--src/mainboard/google/hatch/variants/baseboard/devicetree.cb5
-rw-r--r--src/mainboard/google/sarien/variants/arcada/devicetree.cb7
-rw-r--r--src/mainboard/google/sarien/variants/sarien/devicetree.cb7
3 files changed, 19 insertions, 0 deletions
diff --git a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
index 16a0ef134f..0299ded7b5 100644
--- a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
@@ -66,6 +66,11 @@ chip soc/intel/cannonlake
register "tdp_pl1_override" = "15"
register "tdp_pl2_override" = "44"
register "Device4Enable" = "1"
+ # Enable eDP device
+ register "DdiPortEdp" = "1"
+ # Enable HPD for DDI ports B/C
+ register "DdiPortBHpd" = "1"
+ register "DdiPortCHpd" = "1"
register "usb2_ports[0]" = "USB2_PORT_TYPE_C(OC2)" # Type-C Port 0
register "usb2_ports[1]" = "USB2_PORT_TYPE_C(OC2)" # Type-C Port 1
diff --git a/src/mainboard/google/sarien/variants/arcada/devicetree.cb b/src/mainboard/google/sarien/variants/arcada/devicetree.cb
index 5e70481bff..6f167c208c 100644
--- a/src/mainboard/google/sarien/variants/arcada/devicetree.cb
+++ b/src/mainboard/google/sarien/variants/arcada/devicetree.cb
@@ -41,6 +41,13 @@ chip soc/intel/cannonlake
register "SlowSlewRateForGt" = "0"
register "SlowSlewRateForSa" = "0"
register "SlowSlewRateForFivr" = "0"
+ # Enable eDP device
+ register "DdiPortEdp" = "1"
+ # Enable HPD for DDI ports B/C
+ register "DdiPortBHpd" = "1"
+ register "DdiPortCHpd" = "1"
+ # Enable DDC for DDI port B
+ register "DdiPortBDdc" = "1"
# VR Settings Configuration for 4 Domains
#+----------------+-------+-------+-------+-------+
diff --git a/src/mainboard/google/sarien/variants/sarien/devicetree.cb b/src/mainboard/google/sarien/variants/sarien/devicetree.cb
index df22affcd9..2714b60155 100644
--- a/src/mainboard/google/sarien/variants/sarien/devicetree.cb
+++ b/src/mainboard/google/sarien/variants/sarien/devicetree.cb
@@ -45,6 +45,13 @@ chip soc/intel/cannonlake
register "tdp_pl1_override" = "25"
register "tdp_pl2_override" = "51"
register "Device4Enable" = "1"
+ # Enable eDP device
+ register "DdiPortEdp" = "1"
+ # Enable HPD for DDI ports B/C
+ register "DdiPortBHpd" = "1"
+ register "DdiPortCHpd" = "1"
+ # Enable DDC for DDI port B
+ register "DdiPortBDdc" = "1"
# VR Settings Configuration for 4 Domains
#+----------------+-------+-------+-------+-------+