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From: Junhui Liu <junhui.liu@pigmoral.tech>
To: Michael Turquette <mturquette@baylibre.com>,
	 Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh@kernel.org>,
	 Krzysztof Kozlowski <krzk+dt@kernel.org>,
	 Conor Dooley <conor+dt@kernel.org>,
	Junhui Liu <junhui.liu@pigmoral.tech>,
	 Philipp Zabel <p.zabel@pengutronix.de>,
	 Paul Walmsley <paul.walmsley@sifive.com>,
	 Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	 Alexandre Ghiti <alex@ghiti.fr>
Cc: linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org,
	 devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,
	 "fushan.zeng" <fushan.zeng@anlogic.com>
Subject: [PATCH 2/5] dt-bindings: clock: add Anlogic DR1V90 CRU
Date: Mon, 22 Sep 2025 22:51:48 +0800	[thread overview]
Message-ID: <20250922-dr1v90-cru-v1-2-e393d758de4e@pigmoral.tech> (raw)
In-Reply-To: <20250922-dr1v90-cru-v1-0-e393d758de4e@pigmoral.tech>

Add the Clock and Reset Unit (CRU) support for the Anlogic DR1V90 SoC,
which is responsible for clock and reset management.

Signed-off-by: Junhui Liu <junhui.liu@pigmoral.tech>
---
 .../bindings/clock/anlogic,dr1v90-cru.yaml         | 60 ++++++++++++++++++++++
 include/dt-bindings/clock/anlogic,dr1v90-cru.h     | 46 +++++++++++++++++
 include/dt-bindings/reset/anlogic,dr1v90-cru.h     | 42 +++++++++++++++
 3 files changed, 148 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/anlogic,dr1v90-cru.yaml b/Documentation/devicetree/bindings/clock/anlogic,dr1v90-cru.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..165c71ce333a8ee8ebbc86f238bb807880580aca
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/anlogic,dr1v90-cru.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/anlogic,dr1v90-cru.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Anlogic DR1V90 Clock and Reset Unit (CRU)
+
+maintainers:
+  - Junhui Liu <junhui.liu@pigmoral.tech>
+
+properties:
+  compatible:
+    const: anlogic,dr1v90-cru
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Main Oscillator (33 MHz)
+      - description: External CAN clock
+      - description: External WDT clock
+
+  clock-names:
+    items:
+      - const: osc_33m
+      - const: can_ext
+      - const: wdt_ext
+
+  "#clock-cells":
+    const: 1
+    description:
+      Refer <dt-bindings/clock/anlogic,dr1v90-cru.h> for valid indices.
+
+  "#reset-cells":
+    const: 1
+    description:
+      Refer <dt-bindings/reset/anlogic,dr1v90-cru.h> for valid indices.
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - "#clock-cells"
+  - "#reset-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    clock-controller@f8801000 {
+        compatible = "anlogic,dr1v90-cru";
+        reg = <0xf8801000 0x400>;
+        clocks = <&osc_33m>, <&can_ext>, <&wdt_ext>;
+        clock-names = "osc_33m", "can_ext", "wdt_ext";
+        #clock-cells = <1>;
+        #reset-cells = <1>;
+    };
diff --git a/include/dt-bindings/clock/anlogic,dr1v90-cru.h b/include/dt-bindings/clock/anlogic,dr1v90-cru.h
new file mode 100644
index 0000000000000000000000000000000000000000..d87dd7ef4510b5bb2f7f892f5a14aa6d29456767
--- /dev/null
+++ b/include/dt-bindings/clock/anlogic,dr1v90-cru.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2025 Shanghai Anlogic Infotech Co., Ltd.
+ * Copyright (c) 2025 Junhui Liu <junhui.liu@pigmoral.tech>
+ */
+
+#ifndef _DT_BINDINGS_CLOCK_ANLOGIC_DR1V90_CRU_H_
+#define _DT_BINDINGS_CLOCK_ANLOGIC_DR1V90_CRU_H_
+
+#define CLK_OSC_DIV2		0
+#define CLK_CPU_PLL		1
+#define CLK_CPU_PLL_4X		2
+#define CLK_CPU_4X		3
+#define CLK_CPU_2X		4
+#define CLK_CPU_1X		5
+#define CLK_IO_PLL		6
+#define CLK_IO_1000M		7
+#define CLK_IO_400M		8
+#define CLK_IO_25M		9
+#define CLK_IO_80M		10
+#define CLK_IO_400M_DIV2	11
+#define CLK_IO_400M_DIV4	12
+#define CLK_IO_400M_DIV8	13
+#define CLK_IO_400M_DIV16	14
+#define CLK_QSPI		15
+#define CLK_SPI			16
+#define CLK_SMC			17
+#define CLK_SDIO		18
+#define CLK_GPIO_DB		19
+#define CLK_EFUSE		20
+#define CLK_TVS			21
+#define CLK_TRNG		22
+#define CLK_OSC_DIV		23
+#define CLK_PWM			24
+#define CLK_FCLK0		25
+#define CLK_FCLK1		26
+#define CLK_FCLK2		27
+#define CLK_FCLK3		28
+#define CLK_WDT_SEL		29
+#define CLK_EFUSE_SEL		30
+#define CLK_CAN_SEL		31
+#define CLK_CPU_SEL		32
+#define CLK_CAN0		33
+#define CLK_CAN1		34
+
+#endif /* _DT_BINDINGS_CLOCK_ANLOGIC_DR1V90_CRU_H_ */
diff --git a/include/dt-bindings/reset/anlogic,dr1v90-cru.h b/include/dt-bindings/reset/anlogic,dr1v90-cru.h
new file mode 100644
index 0000000000000000000000000000000000000000..0eed06f417e01a2dbc5074b9c731d24eff050117
--- /dev/null
+++ b/include/dt-bindings/reset/anlogic,dr1v90-cru.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2025 Shanghai Anlogic Infotech Co., Ltd.
+ * Copyright (c) 2025 Junhui Liu <junhui.liu@pigmoral.tech>
+ */
+
+#ifndef _DT_BINDINGS_RESET_ANLOGIC_DR1V90_CRU_H_
+#define _DT_BINDINGS_RESET_ANLOGIC_DR1V90_CRU_H_
+
+#define RESET_OCM		0
+#define RESET_QSPI		1
+#define RESET_SMC		2
+#define RESET_WDT		3
+#define RESET_DMAC_AXI		4
+#define RESET_DMAC_AHB		5
+#define RESET_NPU		6
+#define RESET_JPU		7
+#define RESET_DDRBUS		8
+#define RESET_NIC_HP0		9
+#define RESET_NIC_HP1		10
+#define RESET_NIC_GP0M		11
+#define RESET_NIC_GP1M		12
+#define RESET_GPIO		13
+#define RESET_IPC		14
+#define RESET_USB0		15
+#define RESET_USB1		16
+#define RESET_GBE0		17
+#define RESET_GBE1		18
+#define RESET_SDIO0		19
+#define RESET_SDIO1		20
+#define RESET_UART0		21
+#define RESET_UART1		22
+#define RESET_SPI0		23
+#define RESET_SPI1		24
+#define RESET_CAN0		25
+#define RESET_CAN1		26
+#define RESET_TTC0		27
+#define RESET_TTC1		28
+#define RESET_I2C0		29
+#define RESET_I2C1		30
+
+#endif /* _DT_BINDINGS_RESET_ANLOGIC_DR1V90_CRU_H_ */

-- 
2.51.0


  parent reply	other threads:[~2025-09-22 14:55 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-22 14:51 [PATCH 0/5] clk/reset: anlogic: add support for DR1V90 SoC Junhui Liu
2025-09-22 14:51 ` [PATCH 1/5] clk: correct clk_div_mask() return value for width == 32 Junhui Liu
2025-09-23  3:06   ` Troy Mitchell
2025-09-22 14:51 ` Junhui Liu [this message]
2025-09-23 19:02   ` [PATCH 2/5] dt-bindings: clock: add Anlogic DR1V90 CRU Conor Dooley
2025-09-22 14:51 ` [PATCH 3/5] clk: anlogic: add cru support for Anlogic DR1V90 SoC Junhui Liu
2025-09-22 14:51 ` [PATCH 4/5] reset: anlogic: add support for Anlogic DR1V90 resets Junhui Liu
2025-09-22 14:51 ` [PATCH 5/5] riscv: dts: anlogic: add clocks and CRU for DR1V90 Junhui Liu

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