dt-bindings: power: Add TH1520 SoC power domains

Add power domain ID's for the TH1520 SoC power domains.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Michal Wilczynski <m.wilczynski@samsung.com>
Acked-by: Drew Fustini <drew@pdp7.com>
Link: https://lore.kernel.org/r/20250311171900.1549916-4-m.wilczynski@samsung.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

Author: Michal Wilczynski

MAINTAINERS

@@ -20431,6 +20431,7 @@ F:	drivers/mailbox/mailbox-th1520.c
 F:	drivers/net/ethernet/stmicro/stmmac/dwmac-thead.c
 F:	drivers/pinctrl/pinctrl-th1520.c
 F:	include/dt-bindings/clock/thead,th1520-clk-ap.h
+F:	include/dt-bindings/power/thead,th1520-power.h
 F:	include/linux/firmware/thead/thead,th1520-aon.h
 
 RNBD BLOCK DRIVERS

include/dt-bindings/power/thead,th1520-power.h

@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (C) 2022 Alibaba Group Holding Limited.
+ * Copyright (c) 2024 Samsung Electronics Co., Ltd.
+ * Author: Michal Wilczynski <m.wilczynski@samsung.com>
+ */
+
+#ifndef __DT_BINDINGS_POWER_TH1520_H
+#define __DT_BINDINGS_POWER_TH1520_H
+
+#define TH1520_AUDIO_PD		0
+#define TH1520_VDEC_PD		1
+#define TH1520_NPU_PD		2
+#define TH1520_VENC_PD		3
+#define TH1520_GPU_PD		4
+#define TH1520_DSP0_PD		5
+#define TH1520_DSP1_PD		6
+
+#endif