There are 4 lanes in the single instance of J721S2 SERDES. Each SERDES
lane mux can select upto 4 different IPs. Define all the possible
functions.

Signed-off-by: Aswath Govindraju <a-govindr...@ti.com>
---

Notes:
- This patch is synced from upstream kernel v5.17-rc1 tag


 include/dt-bindings/mux/ti-serdes.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/include/dt-bindings/mux/ti-serdes.h 
b/include/dt-bindings/mux/ti-serdes.h
index d417b9268b16..d3116c52ab72 100644
--- a/include/dt-bindings/mux/ti-serdes.h
+++ b/include/dt-bindings/mux/ti-serdes.h
@@ -95,4 +95,26 @@
 #define AM64_SERDES0_LANE0_PCIE0               0x0
 #define AM64_SERDES0_LANE0_USB                 0x1
 
+/* J721S2 */
+
+#define J721S2_SERDES0_LANE0_EDP_LANE0         0x0
+#define J721S2_SERDES0_LANE0_PCIE1_LANE0       0x1
+#define J721S2_SERDES0_LANE0_IP3_UNUSED                0x2
+#define J721S2_SERDES0_LANE0_IP4_UNUSED                0x3
+
+#define J721S2_SERDES0_LANE1_EDP_LANE1         0x0
+#define J721S2_SERDES0_LANE1_PCIE1_LANE1       0x1
+#define J721S2_SERDES0_LANE1_USB               0x2
+#define J721S2_SERDES0_LANE1_IP4_UNUSED                0x3
+
+#define J721S2_SERDES0_LANE2_EDP_LANE2         0x0
+#define J721S2_SERDES0_LANE2_PCIE1_LANE2       0x1
+#define J721S2_SERDES0_LANE2_IP3_UNUSED                0x2
+#define J721S2_SERDES0_LANE2_IP4_UNUSED                0x3
+
+#define J721S2_SERDES0_LANE3_EDP_LANE3         0x0
+#define J721S2_SERDES0_LANE3_PCIE1_LANE3       0x1
+#define J721S2_SERDES0_LANE3_USB               0x2
+#define J721S2_SERDES0_LANE3_IP4_UNUSED                0x3
+
 #endif /* _DT_BINDINGS_MUX_TI_SERDES */
-- 
2.17.1

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