linux-kernel - [PATCH RFC 2/3] riscv: dts: sophgo: Add syscon node for cv18xx

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Message-ID: <20250611082452.1218817-3-inochiama@gmail.com>
Date: Wed, 11 Jun 2025 16:24:50 +0800
From: Inochi Amaoto <inochiama@...il.com>
To: 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>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Alexandre Ghiti <alex@...ti.fr>,
	Alexander Sverdlin <alexander.sverdlin@...il.com>,
	Yu Yuan <yu.yuan@...u.edu.cn>,
	Yixun Lan <dlan@...too.org>,
	Ze Huang <huangze@...t.edu.cn>,
	Thomas Bonnefille <thomas.bonnefille@...tlin.com>
Cc: devicetree@...r.kernel.org,
	sophgo@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	Longbin Li <looong.bin@...il.com>
Subject: [PATCH RFC 2/3] riscv: dts: sophgo: Add syscon node for cv18xx

Add top syscon node and all subdevice nodes for cv18xx series SoC.

Signed-off-by: Inochi Amaoto <inochiama@...il.com>
---
 arch/riscv/boot/dts/sophgo/cv180x.dtsi | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/riscv/boot/dts/sophgo/cv180x.dtsi b/arch/riscv/boot/dts/sophgo/cv180x.dtsi
index 929864ba1b26..65eceaa5d2f8 100644
--- a/arch/riscv/boot/dts/sophgo/cv180x.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv180x.dtsi
@@ -25,6 +25,32 @@ soc {
 		#size-cells = <1>;
 		ranges;
 
+		syscon: syscon@...0000 {
+			compatible = "sophgo,cv1800b-top-syscon",
+				     "syscon", "simple-mfd";
+			reg = <0x03000000 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			usbphy: phy@48 {
+				compatible = "sophgo,cv1800b-usb2-phy";
+				reg = <0x48 0x4>;
+				#phy-cells = <0>;
+				clocks = <&clk CLK_USB_125M>,
+					 <&clk CLK_USB_33K>,
+					 <&clk CLK_USB_12M>;
+				clock-names = "app", "stb", "lpm";
+				resets = <&rst RST_COMBO_PHY0>;
+			};
+
+			dmamux: dma-router@154 {
+				compatible = "sophgo,cv1800b-dmamux";
+				reg = <0x154 0x8>, <0x298 0x4>;
+				#dma-cells = <2>;
+				dma-masters = <&dmac>;
+			};
+		};
+
 		rst: reset-controller@...3000 {
 			compatible = "sophgo,cv1800b-reset";
 			reg = <0x3003000 0x1000>;
-- 
2.49.0