diff --git a/elink/constraints/elink_clocks.xdc b/elink/constraints/elink_clocks.xdc
new file mode 100644
index 0000000..6f26d88
--- /dev/null
+++ b/elink/constraints/elink_clocks.xdc
@@ -0,0 +1,14 @@
+#AXI Master Clock
+create_clock -period 10 -name m_axi_aclk -waveform {0.000 5} [get_ports m_axi_aclk]
+
+#AXI Slave Clock
+create_clock -period 10 -name s_axi_aclk -waveform {0.000 5} [get_ports s_axi_aclk]
+
+#AXI Slave Config Clock
+create_clock -period 10 -name s_axicfg_aclk -waveform {0.000 5} [get_ports s_axicfg_aclk]
+
+#RX Clock
+create_clock -period 2 -name rx_lclk_p -waveform {0.000 1} [get_ports rx_lclk_p]
+
+#CLKIN
+create_clock -period 10 -name clkin -waveform {0.000 1} [get_ports clkin]