diff --git a/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c b/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
index d602f965d6a..82353ae7678 100644
--- a/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
+++ b/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
@@ -399,6 +399,14 @@ static int rk3568_combphy_cfg(struct rockchip_combphy_priv *priv)
 		param_write(priv->phy_grf, &cfg->pipe_txcomp_sel, false);
 		param_write(priv->phy_grf, &cfg->pipe_txelec_sel, false);
 		param_write(priv->phy_grf, &cfg->usb_mode_set, true);
+		switch (priv->id) {
+		case 0:
+			param_write(priv->pipe_grf, &cfg->u3otg0_port_en, true);
+			break;
+		case 1:
+			param_write(priv->pipe_grf, &cfg->u3otg1_port_en, true);
+			break;
+		}
 		break;
 	case PHY_TYPE_SATA:
 		writel(0x41, priv->mmio + 0x38);