diff --git a/arch/riscv/boot/dts/sophgo/cv1812h.dtsi b/arch/riscv/boot/dts/sophgo/cv1812h.dtsi
index 7fa4c1e2d1da..815114db54ed 100644
--- a/arch/riscv/boot/dts/sophgo/cv1812h.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv1812h.dtsi
@@ -4,6 +4,7 @@
  */
 
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pinctrl/pinctrl-cv1812h.h>
 #include "cv18xx.dtsi"
 
 / {
@@ -13,6 +14,15 @@ memory@80000000 {
 		device_type = "memory";
 		reg = <0x80000000 0x10000000>;
 	};
+
+	soc {
+		pinctrl: pinctrl@3001000 {
+			compatible = "sophgo,cv1812h-pinctrl";
+			reg = <0x03001000 0x1000>,
+			      <0x05027000 0x1000>;
+			reg-names = "sys", "rtc";
+		};
+	};
 };
 
 &plic {