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-rw-r--r--src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb b/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb
index e7bfe337f9..d4b5a39bfd 100644
--- a/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb
+++ b/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb
@@ -49,6 +49,12 @@ chip soc/intel/tigerlake
register "SataPortsEnable[0]" = "1"
register "SataPortsEnable[1]" = "1"
+ # enabling EDP in PortA
+ register "DdiPortAConfig" = "1"
+
+ register "DdiPort1Hpd" = "1"
+ register "DdiPort1Ddc" = "1"
+
register "SerialIoI2cMode" = "{
[PchSerialIoIndexI2C0] = PchSerialIoPci,
[PchSerialIoIndexI2C1] = PchSerialIoPci,