diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
index fbb2146d32d9..133cf47c59ac 100644
--- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
+++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
@@ -2247,6 +2247,12 @@ static int rk3568_usb2phy_tuning(struct rockchip_usb2phy *rphy)
 	writel(reg, rphy->phy_base + 0x0400);
 
 	if (rphy->phy_cfg->reg == 0xfe8a0000) {
+		/* Set otg port HS eye height to 437.5mv(default is 400mv) */
+		reg = readl(rphy->phy_base + 0x30);
+		reg &= ~(0x07 << 4);
+		reg |= (0x06 << 4);
+		writel(reg, rphy->phy_base + 0x30);
+
 		/*
 		 * Set the bvalid filter time to 10ms
 		 * based on the usb2 phy grf pclk 100MHz.