[PATCH v4 2/3] riscv: dts: sophgo: Add syscon node for cv18xx

Longbin Li
2025-10-24T03:06:14Z

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

Co-developed-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Longbin Li <looong.bin@gmail.com>
Tested-by: Alexander Sverdlin <alexander.sverdlin@gmail.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 ccdb45498653..42303acb2b39 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@3000000 {
+ 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@3003000 {
compatible = "sophgo,cv1800b-reset";
reg = <0x3003000 0x1000>;
--
2.51.0