dt-bindings: power: add power-domain header for MediaTek MT8365 SoC

Add power-domain header for MediaTek MT8365 SoC copied from Linux
source code tag v6.7-rc2.
(commit a1571f1f333c2fced076f0d54ed771d1838d827f)

Signed-off-by: Julien Masson <jmasson@baylibre.com>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
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 */