diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-evb1-lp4x.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s-evb1-lp4x.dtsi
index e63d12d70174..44b0001b3d9f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-evb1-lp4x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-evb1-lp4x.dtsi
@@ -242,6 +242,23 @@
 };
 
 &hdptxphy0 {
+	/* Single Vdiff Training Table for power reduction (optional) */
+	training-table = /bits/ 8 <
+		/* voltage swing 0, pre-emphasis 0->3 */
+		0x0d 0x00 0x00 0x00 0x00 0x00
+		0x0d 0x00 0x00 0x00 0x00 0x00
+		0x0d 0x00 0x00 0x00 0x00 0x00
+		0x0d 0x00 0x00 0x00 0x00 0x00
+		/* voltage swing 1, pre-emphasis 0->2 */
+		0x0d 0x00 0x00 0x00 0x00 0x00
+		0x0d 0x00 0x00 0x00 0x00 0x00
+		0x0d 0x00 0x00 0x00 0x00 0x00
+		/* voltage swing 2, pre-emphasis 0->1 */
+		0x0d 0x00 0x00 0x00 0x00 0x00
+		0x0d 0x00 0x00 0x00 0x00 0x00
+		/* voltage swing 3, pre-emphasis 0 */
+		0x0d 0x00 0x00 0x00 0x00 0x00
+	>;
 	status = "okay";
 };