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Message-Id: <20240924-k230-reset-v1-1-d0cdc11989eb@outlook.com>
Date: Tue, 24 Sep 2024 14:00:40 +0800
From: Junhui Liu <liujh2818@...il.com>
To: Philipp Zabel <p.zabel@...gutronix.de>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Junhui Liu <liujh2818@...look.com>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-riscv@...ts.infradead.org
Subject: [PATCH 1/2] dt-bindings: reset: Add support for canaan,k230-rst

From: Junhui Liu <liujh2818@...look.com>

Introduces a reset controller driver for the Kendryte K230 SoC,
resposible for managing the reset functionality of the CPUs and
various sub-modules.

Signed-off-by: Junhui Liu <liujh2818@...look.com>
---
 .../devicetree/bindings/reset/canaan,k230-rst.yaml | 39 ++++++++++
 include/dt-bindings/reset/canaan,k230-rst.h        | 90 ++++++++++++++++++++++
 2 files changed, 129 insertions(+)

diff --git a/Documentation/devicetree/bindings/reset/canaan,k230-rst.yaml b/Documentation/devicetree/bindings/reset/canaan,k230-rst.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..ede02dd01ee53a6e20e3387dec51a34e685aa0e1
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/canaan,k230-rst.yaml
@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/reset/canaan,k230-rst.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Canaan Kendryte K230 Reset Controller
+
+maintainers:
+  - Junhui Liu <liujh2818@...look.com>
+
+description:
+  The Canaan Kendryte K230 reset controller is part of the SoC's system
+  controller and controls the reset registers for CPUs and various peripherals.
+
+properties:
+  compatible:
+    const: canaan,k230-rst
+
+  reg:
+    maxItems: 1
+
+  '#reset-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - '#reset-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    reset-controller@...01000 {
+      compatible = "canaan,k230-rst";
+      reg = <0x91101000 0x1000>;
+      #reset-cells = <1>;
+    };
diff --git a/include/dt-bindings/reset/canaan,k230-rst.h b/include/dt-bindings/reset/canaan,k230-rst.h
new file mode 100644
index 0000000000000000000000000000000000000000..5960705636fbab70859624437862bf06d7fb65cd
--- /dev/null
+++ b/include/dt-bindings/reset/canaan,k230-rst.h
@@ -0,0 +1,90 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2023-2024 Canaan Bright Sight Co., Ltd
+ * Copyright (C) 2024 Junhui Liu <liujh2818@...look.com>
+ */
+#ifndef _DT_BINDINGS_CANAAN_K230_RST_H_
+#define _DT_BINDINGS_CANAAN_K230_RST_H_
+
+#define RST_CPU0		0
+#define RST_CPU1		1
+#define RST_CPU0_FLUSH		2
+#define RST_CPU1_FLUSH		3
+#define RST_AI			4
+#define RST_VPU			5
+#define RST_HS			6
+#define RST_HS_AHB		7
+#define RST_SDIO0		8
+#define RST_SDIO1		9
+#define RST_SDIO_AXI		10
+#define RST_USB0		11
+#define RST_USB1		12
+#define RST_USB0_AHB		13
+#define RST_USB1_AHB		14
+#define RST_SPI0		15
+#define RST_SPI1		16
+#define RST_SPI2		17
+#define RST_SEC			18
+#define RST_PDMA		19
+#define RST_SDMA		20
+#define RST_DECOMPRESS		21
+#define RST_SRAM		22
+#define RST_SHRM_AXIM		23
+#define RST_SHRM_AXIS		24
+#define RST_NONAI2D		25
+#define RST_MCTL		26
+#define RST_ISP			27
+#define RST_ISP_DW		28
+#define RST_DPU			29
+#define RST_DISP		30
+#define RST_GPU			31
+#define RST_AUDIO		32
+#define RST_TIMER0		33
+#define RST_TIMER1		34
+#define RST_TIMER2		35
+#define RST_TIMER3		36
+#define RST_TIMER4		37
+#define RST_TIMER5		38
+#define RST_TIMER_APB		39
+#define RST_HDI			40
+#define RST_WDT0		41
+#define RST_WDT1		42
+#define RST_WDT0_APB		43
+#define RST_WDT1_APB		44
+#define RST_TS_APB		45
+#define RST_MAILBOX		46
+#define RST_STC			47
+#define RST_PMU			48
+#define RST_LS_APB		49
+#define RST_UART0		50
+#define RST_UART1		51
+#define RST_UART2		52
+#define RST_UART3		53
+#define RST_UART4		54
+#define RST_I2C0		55
+#define RST_I2C1		56
+#define RST_I2C2		57
+#define RST_I2C3		58
+#define RST_I2C4		59
+#define RST_JAMLINK0_APB	60
+#define RST_JAMLINK1_APB	61
+#define RST_JAMLINK2_APB	62
+#define RST_JAMLINK3_APB	63
+#define RST_CODEC_APB		64
+#define RST_GPIO_DB		65
+#define RST_GPIO_APB		66
+#define RST_ADC			67
+#define RST_ADC_APB		68
+#define RST_PWM_APB		69
+#define RST_SHRM_APB		70
+#define RST_CSI0		71
+#define RST_CSI1		72
+#define RST_CSI2		73
+#define RST_CSI_DPHY		74
+#define RST_ISP_AHB		75
+#define RST_M0			76
+#define RST_M1			77
+#define RST_M2			78
+#define RST_SPI2AXI		79
+
+#endif

-- 
2.46.1


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