dt-bindings: reset: Add bindings for SP7021 reset driver

Add documentation to describe Sunplus SP7021 reset driver bindings.
Signed-off-by: Qin Jian <qinjian@cqplus1.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Documentation/devicetree/bindings/reset/sunplus,reset.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) Sunplus Co., Ltd. 2021
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/reset/sunplus,reset.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Sunplus SoC Reset Controller
+
+maintainers:
+  - Qin Jian <qinjian@cqplus1.com>
+
+properties:
+  compatible:
+    const: sunplus,sp7021-reset
+
+  reg:
+    maxItems: 1
+
+  "#reset-cells":
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - "#reset-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    rstc: reset@9c000054 {
+      compatible = "sunplus,sp7021-reset";
+      reg = <0x9c000054 0x28>;
+      #reset-cells = <1>;
+    };
+
+...

MAINTAINERS

@@ -2831,6 +2831,8 @@ L:	linux-arm-kernel@lists.infradead.org (moderated for mon-subscribers)
 S:	Maintained
 W:	https://sunplus-tibbo.atlassian.net/wiki/spaces/doc/overview
 F:	Documentation/devicetree/bindings/arm/sunplus,sp7021.yaml
+F:	Documentation/devicetree/bindings/reset/sunplus,reset.yaml
+F:	include/dt-bindings/reset/sunplus,sp7021-reset.h
 
 ARM/Synaptics SoC support
 M:	Jisheng Zhang <jszhang@kernel.org>

include/dt-bindings/reset/sunplus,sp7021-reset.h

+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (C) Sunplus Technology Co., Ltd.
+ *       All rights reserved.
+ */
+#ifndef _DT_BINDINGS_RST_SUNPLUS_SP7021_H
+#define _DT_BINDINGS_RST_SUNPLUS_SP7021_H
+
+#define RST_SYSTEM              0
+#define RST_RTC                 1
+#define RST_IOCTL               2
+#define RST_IOP                 3
+#define RST_OTPRX               4
+#define RST_NOC                 5
+#define RST_BR                  6
+#define RST_RBUS_L00            7
+#define RST_SPIFL               8
+#define RST_SDCTRL0             9
+#define RST_PERI0               10
+#define RST_A926                11
+#define RST_UMCTL2              12
+#define RST_PERI1               13
+#define RST_DDR_PHY0            14
+#define RST_ACHIP               15
+#define RST_STC0                16
+#define RST_STC_AV0             17
+#define RST_STC_AV1             18
+#define RST_STC_AV2             19
+#define RST_UA0                 20
+#define RST_UA1                 21
+#define RST_UA2                 22
+#define RST_UA3                 23
+#define RST_UA4                 24
+#define RST_HWUA                25
+#define RST_DDC0                26
+#define RST_UADMA               27
+#define RST_CBDMA0              28
+#define RST_CBDMA1              29
+#define RST_SPI_COMBO_0         30
+#define RST_SPI_COMBO_1         31
+#define RST_SPI_COMBO_2         32
+#define RST_SPI_COMBO_3         33
+#define RST_AUD                 34
+#define RST_USBC0               35
+#define RST_USBC1               36
+#define RST_UPHY0               37
+#define RST_UPHY1               38
+#define RST_I2CM0               39
+#define RST_I2CM1               40
+#define RST_I2CM2               41
+#define RST_I2CM3               42
+#define RST_PMC                 43
+#define RST_CARD_CTL0           44
+#define RST_CARD_CTL1           45
+#define RST_CARD_CTL4           46
+#define RST_BCH                 47
+#define RST_DDFCH               48
+#define RST_CSIIW0              49
+#define RST_CSIIW1              50
+#define RST_MIPICSI0            51
+#define RST_MIPICSI1            52
+#define RST_HDMI_TX             53
+#define RST_VPOST               54
+#define RST_TGEN                55
+#define RST_DMIX                56
+#define RST_TCON                57
+#define RST_INTERRUPT           58
+#define RST_RGST                59
+#define RST_GPIO                60
+#define RST_RBUS_TOP            61
+#define RST_MAILBOX             62
+#define RST_SPIND               63
+#define RST_I2C2CBUS            64
+#define RST_SEC                 65
+#define RST_DVE                 66
+#define RST_GPOST0              67
+#define RST_OSD0                68
+#define RST_DISP_PWM            69
+#define RST_UADBG               70
+#define RST_DUMMY_MASTER        71
+#define RST_FIO_CTL             72
+#define RST_FPGA                73
+#define RST_L2SW                74
+#define RST_ICM                 75
+#define RST_AXI_GLOBAL          76
+
+#endif