diff --git a/include/dt-bindings/power/mt7622-power.h b/include/dt-bindings/power/mt7622-power.h
index ffad81ad3d46..ec244989eeba 100644
--- a/include/dt-bindings/power/mt7622-power.h
+++ b/include/dt-bindings/power/mt7622-power.h
@@ -10,5 +10,6 @@
 #define MT7622_POWER_DOMAIN_HIF0	1
 #define MT7622_POWER_DOMAIN_HIF1	2
 #define MT7622_POWER_DOMAIN_WB		3
+#define MT7622_POWER_DOMAIN_AUDIO	4
 
 #endif /* _DT_BINDINGS_POWER_MT7622_POWER_H */