diff --git a/src/mainboard/google/ocelot/variants/ocicat/overridetree.cb b/src/mainboard/google/ocelot/variants/ocicat/overridetree.cb
index 52ada4b77c..61a9c72b96 100644
--- a/src/mainboard/google/ocelot/variants/ocicat/overridetree.cb
+++ b/src/mainboard/google/ocelot/variants/ocicat/overridetree.cb
@@ -246,6 +246,7 @@ chip soc/intel/pantherlake
 
 		device ref thc0 on
 			register "thc_wake_on_touch[0]" = "true"
+			register "thc_mode[0]" = "THC_HID_I2C_MODE"
 			# THC0 is function 0; hence it needs to be enabled when THC1 is to be enabled.
 			chip drivers/intel/touch
 				register "name" = "INTEL_THC0_NAME"
@@ -265,6 +266,7 @@ chip soc/intel/pantherlake
 		end
 		device ref thc1 on
 			register "thc_wake_on_touch[1]" = "true"
+			register "thc_mode[1]" = "THC_HID_I2C_MODE"
 			chip drivers/intel/touch
 				register "name" = "INTEL_THC1_NAME"
 				register "mode" = "THC_HID_I2C_MODE"
@@ -273,7 +275,7 @@ chip soc/intel/pantherlake
 				register "wake_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW_WAKE(GPP_VGPIO3_THC1)"
 				register "active_ltr" = "1"
 				register "idle_ltr" = "0"
-				register "connected_device" = "TH_SENSOR_HYNITRON"
+				register "connected_device" = "TH_SENSOR_ELAN"
 				register "add_acpi_dma_property" = "true"
 				device generic 0 alias touch_1_i2c_hynitron on end
 			end
@@ -434,6 +436,8 @@ chip soc/intel/pantherlake
 				register "generic.hid" = ""ELAN2513""
 				register "generic.desc" = ""ELAN Touchscreen""
 				register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_F18_IRQ)"
+				# NOTE: pmc_gpe0_dw0 will be overridden to GPP_F in variant.c.
+				register "generic.wake" = "GPE0_DW0_18"
 				register "generic.detect" = "1"
 				register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_F16)"
 				register "generic.reset_delay_ms" = "20"
@@ -454,6 +458,8 @@ chip soc/intel/pantherlake
 				register "generic.hid" = ""ELAN2513""
 				register "generic.desc" = ""ELAN Touchscreen""
 				register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_F18_IRQ)"
+				# NOTE: pmc_gpe0_dw0 will be overridden to GPP_F in variant.c.
+				register "generic.wake" = "GPE0_DW0_18"
 				register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_F16)"
 				register "generic.reset_delay_ms" = "20"
 				register "generic.reset_off_delay_ms" = "2"
diff --git a/src/mainboard/google/ocelot/variants/ocicat/variant.c b/src/mainboard/google/ocelot/variants/ocicat/variant.c
index 733cf6bf3b..935327f255 100644
--- a/src/mainboard/google/ocelot/variants/ocicat/variant.c
+++ b/src/mainboard/google/ocelot/variants/ocicat/variant.c
@@ -15,6 +15,25 @@ const char *get_wifi_sar_cbfs_filename(void)
 	return get_wifi_sar_fw_config_filename(FW_CONFIG_FIELD(WIFI_INTERFACE));
 }
 
+void variant_update_soc_chip_config(struct soc_intel_pantherlake_config *config)
+{
+	/* Touchscreen and Touchpad WOT support:
+	* +===================+==================+=================+========================+
+	* | Touchscreen       | Touchpad         | PMC_GPE0_DW0    | WOT                    |
+	* +===================+==================+=================+========================+
+	* | THC-SPI/THC-I2C   | THC-I2C          | VGPIO           | TS, TP                 |
+	* +===================+==================+=================+========================+
+	* | THC-SPI/THC-I2C   | LPSS-I2C         | GPP_F18         | TP                     |
+	* +===================+==================+=================+========================+
+	*/
+
+	config->thc_mode[0] = THC_HID_I2C_MODE;
+	config->thc_mode[1] = THC_HID_I2C_MODE;
+
+	/* touchscreen: GPP_F18: GPE0_DW0_18 */
+	config->pmc_gpe0_dw0 = GPP_F;
+}
+
 void variant_update_soc_memory_init_params(FSPM_UPD *memupd)
 {
 	FSP_M_CONFIG *m_cfg = &memupd->FspmConfig;