diff --git a/src/mainboard/google/brya/variants/taeko/overridetree.cb b/src/mainboard/google/brya/variants/taeko/overridetree.cb
index 6806d8b3a0..57c9cead30 100644
--- a/src/mainboard/google/brya/variants/taeko/overridetree.cb
+++ b/src/mainboard/google/brya/variants/taeko/overridetree.cb
@@ -35,6 +35,10 @@ fw_config
 		option BOOT_EMMC_DISABLED		0
 		option BOOT_EMMC_ENABLED		1
 	end
+	field HPS 17
+		option HPS_ABSENT			0
+		option HPS_PRESENT			1
+	end
 end
 chip soc/intel/alderlake
 	register "TcssAuxOri" = "1"
@@ -276,6 +280,21 @@ chip soc/intel/alderlake
 				device i2c 10 on end
 			end
 		end
+		device ref i2c2 on
+			chip drivers/i2c/generic
+				register "hid" = ""GOOG0020""
+				register "desc" = ""Chrome OS HPS""
+				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_E7)"  # EN_HPS_PWR
+				register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_E3_IRQ)"  # HPS_INT_ODL
+				# HPS uses I2C addresses 0x30 and 0x51.
+				# The address we provide here is not significant because
+				# neither coreboot nor Linux have a driver for HPS,
+				# it's only used from userspace.
+				device i2c 30 on
+					probe HPS HPS_PRESENT
+				end
+			end
+		end
 		device ref i2c5 on
 			chip drivers/i2c/generic
 				register "hid" = ""ELAN0000""