diff --git a/src/mainboard/clevo/tgl-u/variants/l140mu/devicetree.cb b/src/mainboard/clevo/tgl-u/variants/l140mu/devicetree.cb
index 3809754381..e89414b3c4 100644
--- a/src/mainboard/clevo/tgl-u/variants/l140mu/devicetree.cb
+++ b/src/mainboard/clevo/tgl-u/variants/l140mu/devicetree.cb
@@ -23,11 +23,11 @@ chip soc/intel/tigerlake
 		device ref igpu on
 			register "gfx" = "GMA_DEFAULT_PANEL(0)"
 			# eDP
-			register "DdiPortAConfig" = "1"
+			register "DdiPortAConfig" = "DDI_PORT_CFG_EDP"
 			register "DdiPortAHpd" = "1"
 			register "DdiPortADdc" = "0"
 			# HDMI
-			register "DdiPortBConfig" = "0"
+			register "DdiPortBConfig" = "DDI_PORT_CFG_NO_LFP"
 			register "DdiPortBHpd" = "1"
 			register "DdiPortBDdc" = "1"
 		end
diff --git a/src/mainboard/google/deltaur/variants/baseboard/devicetree.cb b/src/mainboard/google/deltaur/variants/baseboard/devicetree.cb
index f5dc01910d..6603bafccc 100644
--- a/src/mainboard/google/deltaur/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/deltaur/variants/baseboard/devicetree.cb
@@ -116,7 +116,7 @@ chip soc/intel/tigerlake
 	register "TcssXhciEn" = "1"
 
 	# DisplayPort
-	register "DdiPortAConfig" = "1"	# eDP
+	register "DdiPortAConfig" = "DDI_PORT_CFG_EDP"
 	register "DdiPortAHpd" = "1"
 
 	# Disable PM to allow for shorter irq pulses
diff --git a/src/mainboard/google/volteer/variants/baseboard/devicetree.cb b/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
index 5e5a5863dd..9f3987e672 100644
--- a/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
@@ -239,8 +239,8 @@ chip soc/intel/tigerlake
 	register "TcssAuxOri" = "0"
 
 	# DP port
-	register "DdiPortAConfig" = "1"	# eDP
-	register "DdiPortBConfig" = "0"
+	register "DdiPortAConfig" = "DDI_PORT_CFG_EDP"
+	register "DdiPortBConfig" = "DDI_PORT_CFG_NO_LFP"
 
 	register "DdiPortAHpd" = "1"
 	register "DdiPortBHpd" = "1"
diff --git a/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb b/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb
index 2c9a548ae0..1af05c49cd 100644
--- a/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb
+++ b/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb
@@ -68,7 +68,7 @@ chip soc/intel/tigerlake
 	register "SataPortsEnable[1]" = "1"
 
 	# enabling EDP in PortA
-	register "DdiPortAConfig" = "1"
+	register "DdiPortAConfig" = "DDI_PORT_CFG_EDP"
 
 	register "DdiPortBHpd" = "1"
 	register "DdiPort1Hpd" = "1"
diff --git a/src/mainboard/intel/tglrvp/variants/tglrvp_up4/devicetree.cb b/src/mainboard/intel/tglrvp/variants/tglrvp_up4/devicetree.cb
index d19747a5c0..ad1a45d2e7 100644
--- a/src/mainboard/intel/tglrvp/variants/tglrvp_up4/devicetree.cb
+++ b/src/mainboard/intel/tglrvp/variants/tglrvp_up4/devicetree.cb
@@ -65,7 +65,7 @@ chip soc/intel/tigerlake
 	register "PcieClkSrcUsage[3]" = "0x8"
 
 	# enabling EDP in PortA
-	register "DdiPortAConfig" = "1"
+	register "DdiPortAConfig" = "DDI_PORT_CFG_EDP"
 
 	register "DdiPortAHpd" = "1"
 	register "DdiPortADdc" = "0"
diff --git a/src/mainboard/system76/darp7/devicetree.cb b/src/mainboard/system76/darp7/devicetree.cb
index 4b7ad233ea..dd356169ea 100644
--- a/src/mainboard/system76/darp7/devicetree.cb
+++ b/src/mainboard/system76/darp7/devicetree.cb
@@ -94,12 +94,12 @@ chip soc/intel/tigerlake
 		device ref system_agent on end
 		device ref igpu on
 			# DDIA is eDP
-			register "DdiPortAConfig" = "1"
+			register "DdiPortAConfig" = "DDI_PORT_CFG_EDP"
 			register "DdiPortAHpd" = "1"
 			register "DdiPortADdc" = "0"
 
 			# DDIB is HDMI
-			register "DdiPortBConfig" = "0"
+			register "DdiPortBConfig" = "DDI_PORT_CFG_NO_LFP"
 			register "DdiPortBHpd" = "1"
 			register "DdiPortBDdc" = "1"
 
diff --git a/src/mainboard/system76/galp5/devicetree.cb b/src/mainboard/system76/galp5/devicetree.cb
index 81163b6547..5650f2061f 100644
--- a/src/mainboard/system76/galp5/devicetree.cb
+++ b/src/mainboard/system76/galp5/devicetree.cb
@@ -94,12 +94,12 @@ chip soc/intel/tigerlake
 		device ref system_agent on end
 		device ref igpu on
 			# DDIA is eDP
-			register "DdiPortAConfig" = "1"
+			register "DdiPortAConfig" = "DDI_PORT_CFG_EDP"
 			register "DdiPortAHpd" = "1"
 			register "DdiPortADdc" = "0"
 
 			# DDIB is HDMI
-			register "DdiPortBConfig" = "0"
+			register "DdiPortBConfig" = "DDI_PORT_CFG_NO_LFP"
 			register "DdiPortBHpd" = "1"
 			register "DdiPortBDdc" = "1"
 
diff --git a/src/mainboard/system76/gaze16/devicetree.cb b/src/mainboard/system76/gaze16/devicetree.cb
index a92f044975..fbab7fbaab 100644
--- a/src/mainboard/system76/gaze16/devicetree.cb
+++ b/src/mainboard/system76/gaze16/devicetree.cb
@@ -87,12 +87,12 @@ chip soc/intel/tigerlake
 		device ref system_agent on end
 		device ref igpu on
 			# DDIA is eDP
-			register "DdiPortAConfig" = "1"
+			register "DdiPortAConfig" = "DDI_PORT_CFG_EDP"
 			register "DdiPortAHpd" = "1"
 			register "DdiPortADdc" = "0"
 
 			# DDIB is HDMI
-			register "DdiPortBConfig" = "0"
+			register "DdiPortBConfig" = "DDI_PORT_CFG_NO_LFP"
 			register "DdiPortBHpd" = "1"
 			register "DdiPortBDdc" = "1"
 		end
diff --git a/src/mainboard/system76/lemp10/devicetree.cb b/src/mainboard/system76/lemp10/devicetree.cb
index e84c405496..74bd7da99a 100644
--- a/src/mainboard/system76/lemp10/devicetree.cb
+++ b/src/mainboard/system76/lemp10/devicetree.cb
@@ -94,12 +94,12 @@ chip soc/intel/tigerlake
 		device ref system_agent on end
 		device ref igpu on
 			# DDIA is eDP
-			register "DdiPortAConfig" = "1"
+			register "DdiPortAConfig" = "DDI_PORT_CFG_EDP"
 			register "DdiPortAHpd" = "1"
 			register "DdiPortADdc" = "0"
 
 			# DDIB is HDMI
-			register "DdiPortBConfig" = "0"
+			register "DdiPortBConfig" = "DDI_PORT_CFG_NO_LFP"
 			register "DdiPortBHpd" = "1"
 			register "DdiPortBDdc" = "1"
 
diff --git a/src/mainboard/system76/oryp8/devicetree.cb b/src/mainboard/system76/oryp8/devicetree.cb
index 65b6e874cd..ec01d8a40c 100644
--- a/src/mainboard/system76/oryp8/devicetree.cb
+++ b/src/mainboard/system76/oryp8/devicetree.cb
@@ -105,7 +105,7 @@ chip soc/intel/tigerlake
 		end
 		device ref igpu on
 			# DDIA is eDP
-			register "DdiPortAConfig" = "1"
+			register "DdiPortAConfig" = "DDI_PORT_CFG_EDP"
 			register "DdiPortAHpd" = "1"
 			register "DdiPortADdc" = "0"
 		end
diff --git a/src/soc/intel/tigerlake/chip.h b/src/soc/intel/tigerlake/chip.h
index 1f36e27156..746cfa2225 100644
--- a/src/soc/intel/tigerlake/chip.h
+++ b/src/soc/intel/tigerlake/chip.h
@@ -92,6 +92,12 @@ enum slew_rate {
 	SLEW_FAST_16
 };
 
+enum ddi_port_config {
+	DDI_PORT_CFG_NO_LFP	= 0,
+	DDI_PORT_CFG_EDP	= 1,
+	DDI_PORT_CFG_MIPI_DSI	= 2,
+};
+
 struct soc_intel_tigerlake_config {
 
 	/* Common struct containing soc config data required by common code */
@@ -367,13 +373,9 @@ struct soc_intel_tigerlake_config {
 	 */
 	uint8_t gpio_pm[TOTAL_GPIO_COMM];
 
-	/* DP config */
-	/*
-	 * Port config
-	 * 0:Disabled, 1:eDP, 2:MIPI DSI
-	 */
-	uint8_t DdiPortAConfig;
-	uint8_t DdiPortBConfig;
+	/* DDI port config */
+	enum ddi_port_config DdiPortAConfig;
+	enum ddi_port_config DdiPortBConfig;
 
 	/* Enable(1)/Disable(0) HPD */
 	uint8_t DdiPortAHpd;