#define J721S2_SERDES0_LANE3_USB               0x2
 #define J721S2_SERDES0_LANE3_IP4_UNUSED                0x3
 
+/* J784S4 */
+
+#define J784S4_SERDES0_LANE0_IP1_UNUSED                0x0
+#define J784S4_SERDES0_LANE0_PCIE1_LANE0       0x1
+#define J784S4_SERDES0_LANE0_IP3_UNUSED                0x2
+#define J784S4_SERDES0_LANE0_IP4_UNUSED                0x3
+
+#define J784S4_SERDES0_LANE1_IP1_UNUSED                0x0
+#define J784S4_SERDES0_LANE1_PCIE1_LANE1       0x1
+#define J784S4_SERDES0_LANE1_IP3_UNUSED                0x2
+#define J784S4_SERDES0_LANE1_IP4_UNUSED                0x3
+
+#define J784S4_SERDES0_LANE2_PCIE3_LANE0       0x0
+#define J784S4_SERDES0_LANE2_PCIE1_LANE2       0x1
+#define J784S4_SERDES0_LANE2_IP3_UNUSED                0x2
+#define J784S4_SERDES0_LANE2_IP4_UNUSED                0x3
+
+#define J784S4_SERDES0_LANE3_PCIE3_LANE1       0x0
+#define J784S4_SERDES0_LANE3_PCIE1_LANE3       0x1
+#define J784S4_SERDES0_LANE3_USB               0x2
+#define J784S4_SERDES0_LANE3_IP4_UNUSED                0x3
+
+#define J784S4_SERDES1_LANE0_QSGMII_LANE3      0x0
+#define J784S4_SERDES1_LANE0_PCIE0_LANE0       0x1
+#define J784S4_SERDES1_LANE0_IP3_UNUSED                0x2
+#define J784S4_SERDES1_LANE0_IP4_UNUSED                0x3
+
+#define J784S4_SERDES1_LANE1_QSGMII_LANE4      0x0
+#define J784S4_SERDES1_LANE1_PCIE0_LANE1       0x1
+#define J784S4_SERDES1_LANE1_IP3_UNUSED                0x2
+#define J784S4_SERDES1_LANE1_IP4_UNUSED                0x3
+
+#define J784S4_SERDES1_LANE2_QSGMII_LANE1      0x0
+#define J784S4_SERDES1_LANE2_PCIE0_LANE2       0x1
+#define J784S4_SERDES1_LANE2_PCIE2_LANE0       0x2
+#define J784S4_SERDES1_LANE2_IP4_UNUSED                0x3
+
+#define J784S4_SERDES1_LANE3_QSGMII_LANE2      0x0
+#define J784S4_SERDES1_LANE3_PCIE0_LANE3       0x1
+#define J784S4_SERDES1_LANE3_PCIE2_LANE1       0x2
+#define J784S4_SERDES1_LANE3_IP4_UNUSED                0x3
+
+#define J784S4_SERDES2_LANE0_QSGMII_LANE5      0x0
+#define J784S4_SERDES2_LANE0_IP2_UNUSED                0x1
+#define J784S4_SERDES2_LANE0_IP3_UNUSED                0x2
+#define J784S4_SERDES2_LANE0_IP4_UNUSED                0x3
+
+#define J784S4_SERDES2_LANE1_QSGMII_LANE6      0x0
+#define J784S4_SERDES2_LANE1_IP2_UNUSED                0x1
+#define J784S4_SERDES2_LANE1_IP3_UNUSED                0x2
+#define J784S4_SERDES2_LANE1_IP4_UNUSED                0x3
+
+#define J784S4_SERDES2_LANE2_QSGMII_LANE7      0x0
+#define J784S4_SERDES2_LANE2_QSGMII_LANE1      0x1
+#define J784S4_SERDES2_LANE2_IP3_UNUSED                0x2
+#define J784S4_SERDES2_LANE2_IP4_UNUSED                0x3
+
+#define J784S4_SERDES2_LANE3_QSGMII_LANE8      0x0
+#define J784S4_SERDES2_LANE3_QSGMII_LANE2      0x1
+#define J784S4_SERDES2_LANE3_IP3_UNUSED                0x2
+#define J784S4_SERDES2_LANE3_IP4_UNUSED                0x3
+
 #endif /* _DT_BINDINGS_MUX_TI_SERDES */