diff --git a/MAINTAINERS b/MAINTAINERS
index ec5311c..3b13f26 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -412,6 +412,7 @@
 F:	drivers/net/mtk_eth.h
 F:	drivers/reset/reset-mediatek.c
 F:	include/dt-bindings/clock/mediatek,*
+F:	include/dt-bindings/power/mediatek,*
 F:	tools/mtk_image.c
 F:	tools/mtk_image.h
 F:	tools/mtk_nand_headers.c
diff --git a/include/dt-bindings/power/mediatek,mt8365-power.h b/include/dt-bindings/power/mediatek,mt8365-power.h
new file mode 100644
index 0000000..e6cfd0e
--- /dev/null
+++ b/include/dt-bindings/power/mediatek,mt8365-power.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
+/*
+ * Copyright (c) 2022 MediaTek Inc.
+ */
+
+#ifndef _DT_BINDINGS_POWER_MT8365_POWER_H
+#define _DT_BINDINGS_POWER_MT8365_POWER_H
+
+#define MT8365_POWER_DOMAIN_MM		0
+#define MT8365_POWER_DOMAIN_CONN	1
+#define MT8365_POWER_DOMAIN_MFG		2
+#define MT8365_POWER_DOMAIN_AUDIO	3
+#define MT8365_POWER_DOMAIN_CAM		4
+#define MT8365_POWER_DOMAIN_DSP		5
+#define MT8365_POWER_DOMAIN_VDEC	6
+#define MT8365_POWER_DOMAIN_VENC	7
+#define MT8365_POWER_DOMAIN_APU		8
+
+#endif /* _DT_BINDINGS_POWER_MT8365_POWER_H */