new file mode 100644
@@ -0,0 +1,40 @@
+# 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:
+ enum:
+ - sunplus,sp7021-reset # Reset Controller on SP7021 and compatible SoCs
+ - sunplus,q645-reset # Reset Controller on Q645 and compatible SoCs
+
+ "#reset-cells":
+ const: 1
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - "#reset-cells"
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ rstc: reset@9c000054 {
+ compatible = "sunplus,sp7021-reset";
+ #reset-cells = <1>;
+ reg = <0x9c000054 0x28>;
+ };
+
+...
@@ -2661,6 +2661,8 @@ 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/sp-sp7021.h
ARM/Synaptics SoC support
M: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
new file mode 100644
@@ -0,0 +1,99 @@
+/* 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
+
+/* mo_reset0 ~ mo_reset9 */
+#define RST_SYSTEM 0x00
+#define RST_RTC 0x02
+#define RST_IOCTL 0x03
+#define RST_IOP 0x04
+#define RST_OTPRX 0x05
+#define RST_NOC 0x06
+#define RST_BR 0x07
+#define RST_RBUS_L00 0x08
+#define RST_SPIFL 0x09
+#define RST_SDCTRL0 0x0a
+#define RST_PERI0 0x0b
+#define RST_A926 0x0d
+#define RST_UMCTL2 0x0e
+#define RST_PERI1 0x0f
+
+#define RST_DDR_PHY0 0x10
+#define RST_ACHIP 0x12
+#define RST_STC0 0x14
+#define RST_STC_AV0 0x15
+#define RST_STC_AV1 0x16
+#define RST_STC_AV2 0x17
+#define RST_UA0 0x18
+#define RST_UA1 0x19
+#define RST_UA2 0x1a
+#define RST_UA3 0x1b
+#define RST_UA4 0x1c
+#define RST_HWUA 0x1d
+#define RST_DDC0 0x1e
+#define RST_UADMA 0x1f
+
+#define RST_CBDMA0 0x20
+#define RST_CBDMA1 0x21
+#define RST_SPI_COMBO_0 0x22
+#define RST_SPI_COMBO_1 0x23
+#define RST_SPI_COMBO_2 0x24
+#define RST_SPI_COMBO_3 0x25
+#define RST_AUD 0x26
+#define RST_USBC0 0x2a
+#define RST_USBC1 0x2b
+#define RST_UPHY0 0x2d
+#define RST_UPHY1 0x2e
+
+#define RST_I2CM0 0x30
+#define RST_I2CM1 0x31
+#define RST_I2CM2 0x32
+#define RST_I2CM3 0x33
+#define RST_PMC 0x3d
+#define RST_CARD_CTL0 0x3e
+#define RST_CARD_CTL1 0x3f
+
+#define RST_CARD_CTL4 0x42
+#define RST_BCH 0x44
+#define RST_DDFCH 0x4b
+#define RST_CSIIW0 0x4c
+#define RST_CSIIW1 0x4d
+#define RST_MIPICSI0 0x4e
+#define RST_MIPICSI1 0x4f
+
+#define RST_HDMI_TX 0x50
+#define RST_VPOST 0x55
+
+#define RST_TGEN 0x60
+#define RST_DMIX 0x61
+#define RST_TCON 0x6a
+#define RST_INTERRUPT 0x6f
+
+#define RST_RGST 0x70
+#define RST_GPIO 0x73
+#define RST_RBUS_TOP 0x74
+
+#define RST_MAILBOX 0x86
+#define RST_SPIND 0x8a
+#define RST_I2C2CBUS 0x8b
+#define RST_SEC 0x8d
+#define RST_DVE 0x8e
+#define RST_GPOST0 0x8f
+
+#define RST_OSD0 0x90
+#define RST_DISP_PWM 0x92
+#define RST_UADBG 0x93
+#define RST_DUMMY_MASTER 0x94
+#define RST_FIO_CTL 0x95
+#define RST_FPGA 0x96
+#define RST_L2SW 0x97
+#define RST_ICM 0x98
+#define RST_AXI_GLOBAL 0x99
+
+#define RST_MAX 0xA0
+
+#endif
Add documentation to describe Sunplus SP7021 reset driver bindings. Signed-off-by: Qin Jian <qinjian@cqplus1.com> --- .../bindings/reset/sunplus,reset.yaml | 40 ++++++++ MAINTAINERS | 2 + include/dt-bindings/reset/sp-sp7021.h | 99 +++++++++++++++++++ 3 files changed, 141 insertions(+) create mode 100644 Documentation/devicetree/bindings/reset/sunplus,reset.yaml create mode 100644 include/dt-bindings/reset/sp-sp7021.h