diff --git a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
index 74c997ed8283..34645a5f6038 100644
--- a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
+++ b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
@@ -111,6 +111,28 @@
 					type = "hot";
 				};
 			};
+
+			cooling-maps {
+				map0 {
+					trip = <&soc_active1>;
+					cooling-device = <&pwmfan 0 1>;
+				};
+
+				map1 {
+					trip = <&soc_active2>;
+					cooling-device = <&pwmfan 1 2>;
+				};
+
+				map2 {
+					trip = <&soc_active3>;
+					cooling-device = <&pwmfan 2 3>;
+				};
+
+				map3 {
+					trip = <&soc_hot>;
+					cooling-device = <&pwmfan 3 4>;
+				};
+			};
 		};
 
 		board-thermal {
@@ -125,6 +147,13 @@
 					type = "active";
 				};
 			};
+
+			cooling-maps {
+				map4 {
+					trip = <&board_active>;
+					cooling-device = <&pwmfan 3 4>;
+				};
+			};
 		};
 	};
 };