diff --git a/src/mainboard/google/myst/variants/myst/overridetree.cb b/src/mainboard/google/myst/variants/myst/overridetree.cb
index 6e36e432d1..d701dea49c 100644
--- a/src/mainboard/google/myst/variants/myst/overridetree.cb
+++ b/src/mainboard/google/myst/variants/myst/overridetree.cb
@@ -44,6 +44,27 @@ chip soc/amd/phoenix
 			device i2c 15 on end
 		end
 	end # I2C0
+	device ref i2c_1 on
+		chip drivers/i2c/hid
+			register "generic.hid" = ""ELAN90FC""
+			register "generic.desc" = ""ELAN Touchscreen""
+			register "generic.irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_91)"
+			register "generic.detect" = "1"
+			register "generic.reset_gpio" =
+						"ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_157)"
+			register "generic.reset_delay_ms" = "20"
+			register "generic.reset_off_delay_ms" = "1"
+			register "generic.enable_gpio" =
+						"ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_144)"
+			register "generic.enable_delay_ms" = "6"
+			register "generic.stop_gpio" =
+						"ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_74)"
+			register "generic.stop_off_delay_ms" = "1"
+			register "generic.has_power_resource" = "1"
+			register "hid_desc_reg_offset" = "0x01"
+			device i2c 0x10 on end
+		end
+	end # I2C1
 	device ref i2c_3 on
 		chip drivers/i2c/generic
 			register "hid" = ""RTL5682""