diff --git a/library/axi_dmac/axi_dmac_constr.sdc b/library/axi_dmac/axi_dmac_constr.sdc
new file mode 100644
index 000000000..804ce120d
--- /dev/null
+++ b/library/axi_dmac/axi_dmac_constr.sdc
@@ -0,0 +1,5 @@
+
+set_clock_groups -asynchronous -group {s_axi_aclk} \
+  -group {fifo_wr_clk} -group {fifo_rd_clk} \
+  -group {m_dest_axi_aclk} -group {m_src_axi_aclk}
+