diff --git a/src/mainboard/google/brya/Kconfig b/src/mainboard/google/brya/Kconfig
index 59340715cd..9e41cad0fa 100644
--- a/src/mainboard/google/brya/Kconfig
+++ b/src/mainboard/google/brya/Kconfig
@@ -210,6 +210,7 @@ config MAINBOARD_PART_NUMBER
 	default "Xivu" if BOARD_GOOGLE_XIVU
 	default "Gaelin4ADL" if BOARD_GOOGLE_GAELIN4ADL
 	default "Yaviks" if BOARD_GOOGLE_YAVIKS
+	default "Lisbon" if BOARD_GOOGLE_LISBON
 
 config VARIANT_DIR
 	default "brya0" if BOARD_GOOGLE_BRYA0
@@ -247,6 +248,7 @@ config VARIANT_DIR
 	default "xivu" if BOARD_GOOGLE_XIVU
 	default "gaelin" if BOARD_GOOGLE_GAELIN4ADL
 	default "yaviks" if BOARD_GOOGLE_YAVIKS
+	default "lisbon" if BOARD_GOOGLE_LISBON
 
 config VBOOT
 	select VBOOT_EARLY_EC_SYNC if !BOARD_GOOGLE_BASEBOARD_NISSA
diff --git a/src/mainboard/google/brya/Kconfig.name b/src/mainboard/google/brya/Kconfig.name
index 2d031da7b1..df94b2078d 100644
--- a/src/mainboard/google/brya/Kconfig.name
+++ b/src/mainboard/google/brya/Kconfig.name
@@ -267,3 +267,7 @@ config BOARD_GOOGLE_YAVIKS
 	bool "->  Yaviks"
 	select BOARD_GOOGLE_BASEBOARD_NISSA
 	select DRIVERS_GENESYSLOGIC_GL9750
+
+config BOARD_GOOGLE_LISBON
+	bool "->  Lisbon"
+	select BOARD_GOOGLE_BASEBOARD_BRASK
diff --git a/src/mainboard/google/brya/variants/lisbon/include/variant/ec.h b/src/mainboard/google/brya/variants/lisbon/include/variant/ec.h
new file mode 100644
index 0000000000..7a2a6ff8b7
--- /dev/null
+++ b/src/mainboard/google/brya/variants/lisbon/include/variant/ec.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef __VARIANT_EC_H__
+#define __VARIANT_EC_H__
+
+#include <baseboard/ec.h>
+
+#endif
diff --git a/src/mainboard/google/brya/variants/lisbon/include/variant/gpio.h b/src/mainboard/google/brya/variants/lisbon/include/variant/gpio.h
new file mode 100644
index 0000000000..c4fe342621
--- /dev/null
+++ b/src/mainboard/google/brya/variants/lisbon/include/variant/gpio.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef VARIANT_GPIO_H
+#define VARIANT_GPIO_H
+
+#include <baseboard/gpio.h>
+
+#endif
diff --git a/src/mainboard/google/brya/variants/lisbon/overridetree.cb b/src/mainboard/google/brya/variants/lisbon/overridetree.cb
new file mode 100644
index 0000000000..4f2c04a57a
--- /dev/null
+++ b/src/mainboard/google/brya/variants/lisbon/overridetree.cb
@@ -0,0 +1,6 @@
+chip soc/intel/alderlake
+
+        device domain 0 on
+        end
+
+end