dt-bindings: power: add Amlogic C3 power domains

Add devicetree binding document and related header file for Amlogic C3 secure power domains.
Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230707003710.2667989-3-xianwei.zhao@amlogic.comSigned-off-by: Neil Armstrong <neil.armstrong@linaro.org>

Documentation/devicetree/bindings/power/amlogic,meson-sec-pwrc.yaml

@@ -12,7 +12,7 @@ maintainers:
   - Jianxin Pan <jianxin.pan@amlogic.com>
 
 description: |+
-  Secure Power Domains used in Meson A1/C1/S4 SoCs, and should be the child node
+  Secure Power Domains used in Meson A1/C1/S4 & C3 SoCs, and should be the child node
   of secure-monitor.
 
 properties:
@@ -20,6 +20,7 @@ properties:
     enum:
       - amlogic,meson-a1-pwrc
       - amlogic,meson-s4-pwrc
+      - amlogic,c3-pwrc
 
   "#power-domain-cells":
     const: 1

include/dt-bindings/power/amlogic,c3-pwrc.h

+/* SPDX-License-Identifier: (GPL-2.0+ or MIT) */
+/*
+ * Copyright (c) 2023 Amlogic, Inc.
+ * Author: hongyu chen1 <hongyu.chen1@amlogic.com>
+ */
+#ifndef _DT_BINDINGS_AMLOGIC_C3_POWER_H
+#define _DT_BINDINGS_AMLOGIC_C3_POWER_H
+
+#define PWRC_C3_NNA_ID				0
+#define PWRC_C3_AUDIO_ID			1
+#define PWRC_C3_RESV_SEC_ID			2
+#define PWRC_C3_SDIOA_ID			3
+#define PWRC_C3_EMMC_ID				4
+#define PWRC_C3_USB_COMB_ID			5
+#define PWRC_C3_SDCARD_ID			6
+#define PWRC_C3_ETH_ID				7
+#define PWRC_C3_RESV0_ID			8
+#define PWRC_C3_GE2D_ID				9
+#define PWRC_C3_CVE_ID				10
+#define PWRC_C3_GDC_WRAP_ID			11
+#define PWRC_C3_ISP_TOP_ID			12
+#define PWRC_C3_MIPI_ISP_WRAP_ID		13
+#define PWRC_C3_VCODEC_ID			14
+
+#endif