diff --git a/src/mainboard/intel/tglrvp/Kconfig b/src/mainboard/intel/tglrvp/Kconfig
index e4d605e89d..cfebc6b567 100644
--- a/src/mainboard/intel/tglrvp/Kconfig
+++ b/src/mainboard/intel/tglrvp/Kconfig
@@ -9,6 +9,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select DRIVERS_I2C_HID
 	select DRIVERS_I2C_GENERIC
 	select DRIVERS_I2C_MAX98373
+	select DRIVERS_INTEL_PMC
 	select DRIVERS_USB_ACPI
 	select DRIVERS_SPI_ACPI
 	select GENERATE_SMBIOS_TABLES
diff --git a/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb b/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb
index 4550815470..401077229a 100644
--- a/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb
+++ b/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb
@@ -254,7 +254,28 @@ chip soc/intel/tigerlake
 		device pci 1e.3 off end # GSPI1			0xA0AB
 		device pci 1f.0 on  end # eSPI			0xA080 - A09F
 		device pci 1f.1 on  end # P2SB			0xA0A0
-		device pci 1f.2 hidden end # PMC		0xA0A1
+		device pci 1f.2 hidden  # PMC			0xA0A1
+			# The pmc_mux chip driver is a placeholder for the
+			# PMC.MUX device in the ACPI hierarchy.
+			chip drivers/intel/pmc_mux
+				device generic 0 on
+					chip drivers/intel/pmc_mux/conn
+						register "usb2_port_number" = "6"
+						register "usb3_port_number" = "3"
+						# SBU is fixed, HSL follows CC
+						register "sbu_orientation" = "TYPEC_ORIENTATION_NORMAL"
+						device generic 0 on end
+					end
+					chip drivers/intel/pmc_mux/conn
+						register "usb2_port_number" = "7"
+						register "usb3_port_number" = "4"
+						# SBU is fixed, HSL follows CC
+						register "sbu_orientation" = "TYPEC_ORIENTATION_NORMAL"
+						device generic 1 on end
+					end
+				end
+			end
+		end # PMC
 		device pci 1f.3 on  end # Intel HD audio	0xA0C8-A0CF
 		device pci 1f.4 on  end # SMBus			0xA0A3
 		device pci 1f.5 on  end # SPI			0xA0A4