diff --git a/src/mainboard/google/dedede/Kconfig.name b/src/mainboard/google/dedede/Kconfig.name
index cfb4186..10cf5e2 100644
--- a/src/mainboard/google/dedede/Kconfig.name
+++ b/src/mainboard/google/dedede/Kconfig.name
@@ -205,6 +205,9 @@
 config BOARD_GOOGLE_TARANZA
 	bool "->  Taranza"
 	select BOARD_GOOGLE_BASEBOARD_DEDEDE_CR50
+	select RT8168_GEN_ACPI_POWER_RESOURCE
+	select RT8168_GET_MAC_FROM_VPD
+	select RT8168_SET_LED_MODE
 
 config BOARD_GOOGLE_BOXY
 	bool "->  Boxy"
diff --git a/src/mainboard/google/dedede/variants/taranza/Makefile.inc b/src/mainboard/google/dedede/variants/taranza/Makefile.inc
new file mode 100644
index 0000000..eb2c9bc
--- /dev/null
+++ b/src/mainboard/google/dedede/variants/taranza/Makefile.inc
@@ -0,0 +1,3 @@
+## SPDX-License-Identifier: GPL-2.0-or-later
+
+ramstage-y += gpio.c
diff --git a/src/mainboard/google/dedede/variants/taranza/gpio.c b/src/mainboard/google/dedede/variants/taranza/gpio.c
new file mode 100644
index 0000000..89a7a77
--- /dev/null
+++ b/src/mainboard/google/dedede/variants/taranza/gpio.c
@@ -0,0 +1,93 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+
+/* Pad configuration in ramstage */
+static const struct pad_config gpio_table[] = {
+	/* A11 : TOUCH_RPT_EN */
+	PAD_NC(GPP_A11, NONE),
+	/* A12 : USB_OC1_N */
+	PAD_CFG_NF(GPP_A12, NONE, DEEP, NF1),
+	/* A13 : USB_OC2_N */
+	PAD_CFG_NF(GPP_A13, NONE, DEEP, NF1),
+	/* A14 : USB_OC3_N */
+	PAD_CFG_NF(GPP_A14, NONE, DEEP, NF1),
+	/* A18 : USB_OC0_N */
+	PAD_CFG_NF(GPP_A18, NONE, DEEP, NF1),
+
+	/* B9 : LAN_CLKREQ_ODL */
+	PAD_CFG_NF(GPP_B9, NONE, DEEP, NF1),
+
+	/* D2  : PWM_PP3300_BUZZER */
+	PAD_CFG_GPO(GPP_D2, 1, DEEP),
+	/* D4  : LAN_PE_ISOLATE_ODL_R */
+	PAD_CFG_GPO(GPP_D4, 1, DEEP),
+	/* D5  : TOUCH_RESET_L */
+	PAD_NC(GPP_D5, NONE),
+	/* D6  : EN_PP3300_TOUCH_S0 */
+	PAD_NC(GPP_D6, NONE),
+	/* D17 : LAN_PERST_L */
+	PAD_CFG_GPO(GPP_D17, 1, PLTRST),
+	/* D19 : WWAN_WLAN_COEX1 */
+	PAD_NC(GPP_D19, NONE),
+	/* D20 : WWAN_WLAN_COEX2 */
+	PAD_NC(GPP_D20, NONE),
+
+	/* E13 : GPP_E13/DDI0_DDC_SCL */
+	PAD_CFG_NF(GPP_E13, NONE, DEEP, NF1),
+	/* E14 : GPP_E14/DDI0_DDC_SDA */
+	PAD_CFG_NF(GPP_E14, NONE, DEEP, NF1),
+	/* E15 : GPP_E15/DDI1_DDC_SCL */
+	PAD_CFG_NF(GPP_E15, NONE, DEEP, NF1),
+	/* E16 : GPP_E16/DDI1_DDC_SDA */
+	PAD_CFG_NF(GPP_E16, NONE, DEEP, NF1),
+
+	/* G0  : SD_CMD */
+	PAD_NC(GPP_G0, NONE),
+	/* G1  : SD_DATA0 */
+	PAD_NC(GPP_G1, NONE),
+	/* G2  : SD_DATA1 */
+	PAD_NC(GPP_G2, NONE),
+	/* G3  : SD_DATA2 */
+	PAD_NC(GPP_G3, NONE),
+	/* G4  : SD_DATA3 */
+	PAD_NC(GPP_G4, NONE),
+	/* G5  : SD_CD_ODL */
+	PAD_NC(GPP_G5, NONE),
+	/* G6  : SD_CLK */
+	PAD_NC(GPP_G6, NONE),
+	/* G7  : SD_SDIO_WP */
+	PAD_NC(GPP_G7, NONE),
+
+	/* H4  : AP_I2C_TS_SDA */
+	PAD_NC(GPP_H4, NONE),
+	/* H5  : AP_I2C_TS_SCL */
+	PAD_NC(GPP_H5, NONE),
+	/* H6  : AP_I2C_CAM_SDA */
+	PAD_NC(GPP_H6, NONE),
+	/* H7  : AP_I2C_CAM_SCL */
+	PAD_NC(GPP_H7, NONE),
+	/* H15 : I2S_SPK_BCLK */
+	PAD_NC(GPP_H15, NONE),
+
+	/* R6  : I2S_SPK_LRCK */
+	PAD_NC(GPP_R6, NONE),
+	/* R7  :  I2S_SPK_AUDIO */
+	PAD_NC(GPP_R7, NONE),
+
+	/* S2  : DMIC1_CLK */
+	PAD_NC(GPP_S2, NONE),
+	/* S3  : DMIC1_DATA */
+	PAD_NC(GPP_S3, NONE),
+	/* S6  :  DMIC0_CLK */
+	PAD_NC(GPP_S6, NONE),
+	/* S7  : DMIC0_DATA */
+	PAD_NC(GPP_S7, NONE),
+};
+
+const struct pad_config *variant_override_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(gpio_table);
+	return gpio_table;
+}
diff --git a/src/mainboard/google/dedede/variants/taranza/overridetree.cb b/src/mainboard/google/dedede/variants/taranza/overridetree.cb
index 404024b..e3df1f2 100644
--- a/src/mainboard/google/dedede/variants/taranza/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/taranza/overridetree.cb
@@ -8,10 +8,6 @@
 	#|                   | required to set up a BAR  |
 	#|                   | for TPM communication     |
 	#|                   | before memory is up       |
-	#| I2C0              | Trackpad                  |
-	#| I2C1              | Digitizer                 |
-	#| I2C2              | Touchscreen               |
-	#| I2C3              | Camera                    |
 	#| I2C4              | Audio                     |
 	#+-------------------+---------------------------+
 	register "common_soc_config" = "{
@@ -19,24 +15,245 @@
 			.speed_mhz = 1,
 			.early_init = 1,
 		},
-		.i2c[0] = {
-			.speed = I2C_SPEED_FAST,
-		},
-		.i2c[1] = {
-			.speed = I2C_SPEED_FAST,
-		},
-		.i2c[2] = {
-			.speed = I2C_SPEED_FAST,
-		},
-		.i2c[3] = {
-			.speed = I2C_SPEED_FAST,
-		},
 		.i2c[4] = {
-			.speed = I2C_SPEED_FAST,
+			.speed_config[0] = {
+				.speed = I2C_SPEED_FAST,
+				.scl_lcnt = 190,
+				.scl_hcnt = 100,
+				.sda_hold = 40,
+			}
 		},
 	}"
 
+	# Enable Root Port 3 (index 2) for LAN
+	# External PCIe port 7 is mapped to PCIe Root Port 3
+	register "PcieRpEnable[2]" = "1"
+	register "PcieClkSrcUsage[4]" = "2"
+
+	# Enable Root Port 7 (index 6) for WLAN
+	# External PCIe port 3 is mapped to PCIe Root Port 7
+	register "PcieRpEnable[6]" = "1"
+	register "PcieClkSrcUsage[3]" = "6"
+
+	# Disable PCIe Root Port 8
+	register "PcieRpEnable[7]" = "0"
+
+	# Audio related configurations
+	register "PchHdaAudioLinkDmicEnable[0]" = "0"
+	register "PchHdaAudioLinkDmicEnable[1]" = "0"
+
+	# Disable SD card
+	register "sdcard_cd_gpio" = "0"
+	register "SdCardPowerEnableActiveHigh" = "0"
+
+	# Disable eDP on port A
+	register "DdiPortAConfig" = "0"
+
+	# Enable HPD and DDC for DDI port A
+	register "DdiPortAHpd" = "1"
+	register "DdiPortADdc" = "1"
+
+	# USB Port Configuration
+	register "usb2_ports[0]" = "{
+		.enable = 1,
+		.ocpin = OC_SKIP,
+		.tx_bias = USB2_BIAS_0MV,
+		.tx_emp_enable = USB2_PRE_EMP_ON,
+		.pre_emp_bias  = USB2_BIAS_11P25MV,
+		.pre_emp_bit   = USB2_HALF_BIT_PRE_EMP,
+	}" # Type-C Port 0
+	register "usb2_ports[1]" = "{
+		.enable = 1,
+		.ocpin = OC1,
+		.tx_bias = USB2_BIAS_0MV,
+		.tx_emp_enable = USB2_PRE_EMP_ON,
+		.pre_emp_bias  = USB2_BIAS_11P25MV,
+		.pre_emp_bit   = USB2_HALF_BIT_PRE_EMP,
+	}" # Type-A Port A0
+	register "usb2_ports[2]" = "{
+		.enable = 1,
+		.ocpin = OC2,
+		.tx_bias = USB2_BIAS_0MV,
+		.tx_emp_enable = USB2_PRE_EMP_ON,
+		.pre_emp_bias  = USB2_BIAS_11P25MV,
+		.pre_emp_bit   = USB2_HALF_BIT_PRE_EMP,
+	}" # Type-A Port A1
+	register "usb2_ports[3]" = "{
+		.enable = 1,
+		.ocpin = OC3,
+		.tx_bias = USB2_BIAS_0MV,
+		.tx_emp_enable = USB2_PRE_EMP_ON,
+		.pre_emp_bias  = USB2_BIAS_11P25MV,
+		.pre_emp_bit   = USB2_HALF_BIT_PRE_EMP,
+	}" # Type-A Port A2
+	register "usb2_ports[4]" = "{
+		.enable = 1,
+		.ocpin = OC0,
+		.tx_bias = USB2_BIAS_0MV,
+		.tx_emp_enable = USB2_PRE_EMP_ON,
+		.pre_emp_bias  = USB2_BIAS_11P25MV,
+		.pre_emp_bit   = USB2_HALF_BIT_PRE_EMP,
+	}" # Type-A Port A3
+	register "usb2_ports[5]" = "USB2_PORT_MID(OC_SKIP)"	# PL2303
+
+	register "usb3_ports[1]" = "USB3_PORT_EMPTY"	#  No USB3/2 Type-C Port C1
+	register "usb3_ports[4]" = "USB3_PORT_DEFAULT(OC_SKIP)"	# USB3/1 Type-A Port A2
+	register "usb3_ports[5]" = "USB3_PORT_DEFAULT(OC_SKIP)"	# USB3/1 Type-A Port A3
+
 	device domain 0 on
-		device pci 15.0 on end
+		device pci 04.0 on
+			chip drivers/intel/dptf
+				## Passive Policy
+				register "policies.passive" = "{
+					[0] = DPTF_PASSIVE(CPU, CPU,           90, 10000),
+					[1] = DPTF_PASSIVE(CPU, TEMP_SENSOR_0, 80, 60000),
+					[2] = DPTF_PASSIVE(CPU, TEMP_SENSOR_1, 75, 15000),
+					[3] = DPTF_PASSIVE(CPU, TEMP_SENSOR_2, 55, 15000)
+				}"
+
+				## Critical Policy
+				register "policies.critical" = "{
+					[0] = DPTF_CRITICAL(CPU,           105, SHUTDOWN),
+					[1] = DPTF_CRITICAL(TEMP_SENSOR_0, 90, SHUTDOWN),
+					[2] = DPTF_CRITICAL(TEMP_SENSOR_1, 80, SHUTDOWN),
+					[3] = DPTF_CRITICAL(TEMP_SENSOR_2, 80, SHUTDOWN)
+				}"
+
+				register "controls.power_limits" = "{
+					.pl1 = {
+						.min_power = 3000,
+						.max_power = 6000,
+						.time_window_min = 1 * MSECS_PER_SEC,
+						.time_window_max = 1 * MSECS_PER_SEC,
+						.granularity = 100,
+					},
+					.pl2 = {
+						.min_power = 20000,
+						.max_power = 20000,
+						.time_window_min = 1 * MSECS_PER_SEC,
+						.time_window_max = 1 * MSECS_PER_SEC,
+						.granularity = 1000,
+					}
+				}"
+
+				register "options.tsr[0].desc" = ""Memory""
+				register "options.tsr[1].desc" = ""Power""
+				register "options.tsr[2].desc" = ""Chassis""
+
+				## Charger Performance Control (Control, mA)
+				register "controls.charger_perf" = "{
+					[0] = { 255, 3000 },
+					[1] = {  24, 1500 },
+					[2] = {  16, 1000 },
+					[3] = {   8,  500 }
+				}"
+
+				device generic 0 on end
+			end
+		end # SA Thermal device
+		device pci 14.0 on
+			chip drivers/usb/acpi
+				# TODO (b/264960828) verify PLD values
+				device usb 0.0 on
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 Type-C Port C0""
+						register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
+						register "group" = "ACPI_PLD_GROUP(1, 1)"
+						device usb 2.0 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 Type-A Port A0""
+						register "type" = "UPC_TYPE_A"
+						register "group" = "ACPI_PLD_GROUP(1, 2)"
+						device usb 2.1 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 Type-A Port A1""
+						register "type" = "UPC_TYPE_A"
+						register "group" = "ACPI_PLD_GROUP(1, 3)"
+						device usb 2.2 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 Type-A Port A2""
+						register "type" = "UPC_TYPE_A"
+						register "group" = "ACPI_PLD_GROUP(1, 4)"
+						device usb 2.3 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 Type-A Port A3""
+						register "type" = "UPC_TYPE_A"
+						register "group" = "ACPI_PLD_GROUP(1, 5)"
+						device usb 2.4 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB3 Type-C Port C0""
+						register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
+						register "group" = "ACPI_PLD_GROUP(1, 1)"
+						device usb 3.0 on end
+					end
+					chip drivers/usb/acpi
+						device usb 3.1 off end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB3 Type-A Port A0""
+						register "type" = "UPC_TYPE_USB3_A"
+						register "group" = "ACPI_PLD_GROUP(1, 2)"
+						device usb 3.2 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB3 Type-A Port A1""
+						register "type" = "UPC_TYPE_USB3_A"
+						register "group" = "ACPI_PLD_GROUP(1, 3)"
+						device usb 3.3 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB3 Type-A Port A2""
+						register "type" = "UPC_TYPE_USB3_A"
+						register "group" = "ACPI_PLD_GROUP(1, 4)"
+						device usb 3.4 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB3 Type-A Port A3""
+						register "type" = "UPC_TYPE_USB3_A"
+						register "group" = "ACPI_PLD_GROUP(1, 5)"
+						device usb 3.5 on end
+					end
+				end
+			end
+		end # USB xHCI
+		device pci 15.0 off end # I2C 0
+		device pci 15.1 off end # I2C 1
+		device pci 15.2 off end # I2C 2
+		device pci 15.3 off end # I2C 3
+		device pci 19.0 on
+			chip drivers/i2c/generic
+				register "hid" = ""RTL5682""
+				register "name" = ""RT58""
+				register "desc" = ""Realtek RT5682""
+				register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_BOTH(GPP_D16)"
+				register "property_count" = "1"
+				register "property_list[0].type" = "ACPI_DP_TYPE_INTEGER"
+				register "property_list[0].name" = ""realtek,jd-src""
+				register "property_list[0].integer" = "1"
+				device i2c 1a on end
+			end
+		end # I2C 4
+		device pci 1c.2 on
+			chip drivers/net
+				register "customized_leds" = "0x05af"
+				register "wake" = "GPE0_DW0_03" # GPP_B3
+				register "stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D4)"
+				register "device_index" = "0"
+				device pci 00.0 on end
+			end
+		end # PCI Express Root Port 3 - RTL8111H LAN
+		device pci 1c.6 on
+			chip drivers/wifi/generic
+				register "wake" = "GPE0_DW2_03"
+				device pci 00.0 on  end
+			end
+		end # PCI Express Root Port 7 - WLAN
+		device pci 1c.7 off end # PCI Express Root Port 8
+		device pci 1f.3 on end # Intel HDA
 	end
 end