diff --git a/target/linux/generic/files/drivers/net/phy/rtl8261n/rtk_phy.c b/target/linux/generic/files/drivers/net/phy/rtl8261n/rtk_phy.c
index 23916a89ef..7d2a38740d 100644
--- a/target/linux/generic/files/drivers/net/phy/rtl8261n/rtk_phy.c
+++ b/target/linux/generic/files/drivers/net/phy/rtl8261n/rtk_phy.c
@@ -6,6 +6,7 @@
 
 #include <linux/module.h>
 #include <linux/phy.h>
+#include <linux/property.h>
 
 #include "phy_rtl826xb_patch.h"
 #include "rtk_phylib_rtl826xb.h"
@@ -15,6 +16,10 @@
 #define REALTEK_PHY_ID_RTL8264B         0x001CC813
 #define REALTEK_PHY_ID_RTL8264          0x001CCAF2
 
+#define REALTEK_SERDES_GLOBAL_CFG       0x1c
+#define   REALTEK_HSO_INV               BIT(7)
+#define   REALTEK_HSI_INV               BIT(6)
+
 static int rtl826xb_get_features(struct phy_device *phydev)
 {
     int ret;
@@ -41,6 +46,7 @@ static int rtl826xb_get_features(struct phy_device *phydev)
 
 static int rtl826xb_probe(struct phy_device *phydev)
 {
+    struct device *dev = &phydev->mdio.dev;
     struct rtk_phy_priv *priv = NULL;
 
     priv = devm_kzalloc(&phydev->mdio.dev, sizeof(struct rtk_phy_priv), GFP_KERNEL);
@@ -55,6 +61,7 @@ static int rtl826xb_probe(struct phy_device *phydev)
 
     priv->phytype = (phydev->drv->phy_id == REALTEK_PHY_ID_RTL8261N) ? (RTK_PHYLIB_RTL8261N) : (RTK_PHYLIB_RTL8264B);
     priv->isBasePort = (phydev->drv->phy_id == REALTEK_PHY_ID_RTL8261N) ? (1) : (((phydev->mdio.addr % 4) == 0) ? (1) : (0));
+    priv->pnswap_tx = device_property_read_bool(dev, "realtek,pnswap-tx");
     phydev->priv = priv;
 
     return 0;
@@ -62,6 +69,7 @@ static int rtl826xb_probe(struct phy_device *phydev)
 
 static int rtkphy_config_init(struct phy_device *phydev)
 {
+    struct rtk_phy_priv *priv = phydev->priv;
     int ret = 0;
     switch (phydev->drv->phy_id)
     {
@@ -117,6 +125,11 @@ static int rtkphy_config_init(struct phy_device *phydev)
             }
           #endif
 
+            if (priv->pnswap_tx)
+                phy_set_bits_mmd(phydev, MDIO_MMD_VEND1,
+                                 REALTEK_SERDES_GLOBAL_CFG,
+                                 REALTEK_HSO_INV);
+
             break;
         default:
             phydev_err(phydev, "%s:%u Unknow phy_id: 0x%X\n", __FUNCTION__, __LINE__, phydev->drv->phy_id);
diff --git a/target/linux/generic/files/drivers/net/phy/rtl8261n/rtk_phylib.h b/target/linux/generic/files/drivers/net/phy/rtl8261n/rtk_phylib.h
index 70eb8e48ed..c94e9cb966 100644
--- a/target/linux/generic/files/drivers/net/phy/rtl8261n/rtk_phylib.h
+++ b/target/linux/generic/files/drivers/net/phy/rtl8261n/rtk_phylib.h
@@ -8,6 +8,8 @@
 #define __RTK_PHYLIB_H
 
 #if defined(RTK_PHYDRV_IN_LINUX)
+  #include <linux/types.h>
+
   #include "type.h"
   #include "rtk_phylib_def.h"
 #else
@@ -48,6 +50,8 @@ struct rtk_phy_priv {
     rtk_phylib_phy_t phytype;
     uint8 isBasePort;
     rt_phy_patch_db_t *patch;
+
+    bool pnswap_tx;
 };
 
 #if defined(RTK_PHYDRV_IN_LINUX)