diff --git a/ECP5/tiledata/ECLK_L/bits.db b/ECP5/tiledata/ECLK_L/bits.db
index 0b1b76f..e33ebaf 100644
--- a/ECP5/tiledata/ECLK_L/bits.db
+++ b/ECP5/tiledata/ECLK_L/bits.db
@@ -181,6 +181,22 @@
 MINUS F74B0
 PLUS !F74B0
 
+.config_enum ECLKSYNC0_BK6.MODE NONE
+ECLKSYNCB F31B0
+NONE -
+
+.config_enum ECLKSYNC0_BK7.MODE NONE
+ECLKSYNCB F29B0
+NONE -
+
+.config_enum ECLKSYNC1_BK6.MODE NONE
+ECLKSYNCB F32B0
+NONE -
+
+.config_enum ECLKSYNC1_BK7.MODE NONE
+ECLKSYNCB F30B0
+NONE -
+
 
 # Fixed Connections
 .fixed_conn G_BANK6ECLK0 S1W2_JECLK0
diff --git a/ECP5/tiledata/ECLK_R/bits.db b/ECP5/tiledata/ECLK_R/bits.db
index 1c6404f..bbd55d7 100644
--- a/ECP5/tiledata/ECLK_R/bits.db
+++ b/ECP5/tiledata/ECLK_R/bits.db
@@ -181,6 +181,22 @@
 MINUS F98B0
 PLUS !F98B0
 
+.config_enum ECLKSYNC0_BK2.MODE NONE
+ECLKSYNCB F29B0
+NONE -
+
+.config_enum ECLKSYNC0_BK3.MODE NONE
+ECLKSYNCB F31B0
+NONE -
+
+.config_enum ECLKSYNC1_BK2.MODE NONE
+ECLKSYNCB F30B0
+NONE -
+
+.config_enum ECLKSYNC1_BK3.MODE NONE
+ECLKSYNCB F32B0
+NONE -
+
 
 # Fixed Connections
 .fixed_conn E1_JQ7 E2_JCFLAG_DLLDEL