linux-kernel - [PATCH 1/2] dt-bindings: reset: sophgo: support SG2000

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Message-ID: <20250609230417.620089-2-alexander.sverdlin@gmail.com>
Date: Tue, 10 Jun 2025 01:04:14 +0200
From: Alexander Sverdlin <alexander.sverdlin@...il.com>
To: linux-kernel@...r.kernel.org
Cc: Alexander Sverdlin <alexander.sverdlin@...il.com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Chen Wang <unicorn_wang@...look.com>,
	Inochi Amaoto <inochiama@...il.com>,
	devicetree@...r.kernel.org,
	sophgo@...ts.linux.dev
Subject: [PATCH 1/2] dt-bindings: reset: sophgo: support SG2000

Add bindings for the reset module on the Sophgo SG2000 SoC.

Link: https://github.com/sophgo/sophgo-doc/tree/main/SG200X/TRM
Cc: Chen Wang <unicorn_wang@...look.com>
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@...il.com>
---
 .../bindings/reset/sophgo,sg2000-reset.yaml   | 35 +++++++
 .../dt-bindings/reset/sophgo,sg2000-reset.h   | 92 +++++++++++++++++++
 2 files changed, 127 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/reset/sophgo,sg2000-reset.yaml
 create mode 100644 include/dt-bindings/reset/sophgo,sg2000-reset.h

diff --git a/Documentation/devicetree/bindings/reset/sophgo,sg2000-reset.yaml b/Documentation/devicetree/bindings/reset/sophgo,sg2000-reset.yaml
new file mode 100644
index 000000000000..ab44d45ae061
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/sophgo,sg2000-reset.yaml
@@ -0,0 +1,35 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/reset/sophgo,sg2000-reset.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sophgo SG2000 SoC Reset Controller
+
+maintainers:
+  - Chen Wang <unicorn_wang@...look.com>
+
+properties:
+  compatible:
+    const: sophgo,sg2000-reset
+
+  reg:
+    maxItems: 1
+
+  "#reset-cells":
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - "#reset-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    rstgen: reset-controller@...3000 {
+        compatible = "sophgo,sg2000-reset";
+        reg = <0x3003000 0x28>;
+        #reset-cells = <1>;
+    };
diff --git a/include/dt-bindings/reset/sophgo,sg2000-reset.h b/include/dt-bindings/reset/sophgo,sg2000-reset.h
new file mode 100644
index 000000000000..23604a800f66
--- /dev/null
+++ b/include/dt-bindings/reset/sophgo,sg2000-reset.h
@@ -0,0 +1,92 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+
+#ifndef __DT_BINDINGS_RESET_SOPHGO_SG2000_H_
+#define __DT_BINDINGS_RESET_SOPHGO_SG2000_H_
+
+#define RST_DDR			2
+#define RST_H264C		3
+#define RST_JPEG		4
+#define RST_H265C		5
+#define RST_VIPSYS		6
+#define RST_TDMA		7
+#define RST_TPU			8
+#define RST_TPUSYS		9
+#define RST_USB			11
+#define RST_ETH0		12
+#define RST_ETH1		13
+#define RST_NAND		14
+#define RST_EMMC		15
+#define RST_SD0			16
+#define RST_SDMA		18
+#define RST_I2S0		19
+#define RST_I2S1		20
+#define RST_I2S2		21
+#define RST_I2S3		22
+#define RST_UART0		23
+#define RST_UART1		24
+#define RST_UART2		25
+#define RST_UART3		26
+#define RST_I2C0		27
+#define RST_I2C1		28
+#define RST_I2C2		29
+#define RST_I2C3		30
+#define RST_I2C4		31
+
+#define RST_PWM0		32
+#define RST_PWM1		33
+#define RST_PWM2		34
+#define RST_PWM3		35
+#define RST_SPI0		40
+#define RST_SPI1		41
+#define RST_SPI2		42
+#define RST_SPI3		43
+#define RST_GPIO0		44
+#define RST_GPIO1		45
+#define RST_GPIO2		46
+#define RST_EFUSE		47
+#define RST_WDT			48
+#define RST_AHB_ROM		49
+#define RST_SPIC		50
+#define RST_TEMPSEN		51
+#define RST_SARADC		52
+#define RST_COMBO_PHY0		58
+#define RST_SPI_NAND		61
+#define RST_SE			62
+
+#define RST_UART4		74
+#define RST_GPIO3		75
+#define RST_SYSTEM		76
+#define RST_TIMER		77
+#define RST_TIMER0		78
+#define RST_TIMER1		79
+#define RST_TIMER2		80
+#define RST_TIMER3		81
+#define RST_TIMER4		82
+#define RST_TIMER5		83
+#define RST_TIMER6		84
+#define RST_TIMER7		85
+#define RST_WGN0		86
+#define RST_WGN1		87
+#define RST_WGN2		88
+#define RST_KEYSCAN		89
+#define RST_AUDDAC		91
+#define RST_AUDDAC_APB		92
+#define RST_AUDADC		93
+#define RST_VCSYS		95
+
+#define RST_ETHPHY		96
+#define RST_ETHPHY_APB		97
+#define RST_AUDSRC		98
+#define RST_VIP_CAM0		99
+#define RST_WDT1		100
+#define RST_WDT2		101
+
+#define RST_CPUCORE0		1152
+#define RST_CPUCORE1		1153
+#define RST_CPUCORE2		1154
+#define RST_CPUCORE3		1155
+#define RST_CPUSYS0		1156
+#define RST_CPUSYS1		1157
+#define RST_CPUSYS2		1158
+
+#endif /* __DT_BINDINGS_RESET_SOPHGO_SG2000_H_ */
-- 
2.49.0