diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts b/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
index 58098c4a2aab..de75f6aac740 100644
--- a/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
@@ -52,6 +52,7 @@ mdio-bus {
 
 		rgmii0: phy@1 {
 			reg = <0x1>;
+			motorcomm,auto-sleep-disabled;
 		};
 	};
 };
@@ -75,6 +76,7 @@ mdio-bus {
 
 		rgmii1: phy@1 {
 			reg = <0x1>;
+			motorcomm,auto-sleep-disabled;
 		};
 	};
 };
diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
index 41dc8e35e6eb..7b7331cb3c72 100644
--- a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
@@ -54,6 +54,7 @@ mdio-bus {
 
 		rgmii0: phy@1 {
 			reg = <0x1>;
+			motorcomm,auto-sleep-disabled;
 		};
 	};
 };
@@ -77,6 +78,7 @@ mdio-bus {
 
 		rgmii1: phy@1 {
 			reg = <0x1>;
+			motorcomm,auto-sleep-disabled;
 		};
 	};
 };