# Primary clocks
create_clock -name eth_clk -period 8.000  [get_ports eth_clk_in]
create_clock -name dac_clk -period 7.692  [get_ports dac_clk_in]
create_clock -name adc_clk -period 15.385 [get_ports adc_clk_in]


# Asynchronous clock groups
# eth, dac, adc are independent domains

set_clock_groups -name ASYNC_ETH_DAC_ADC -asynchronous \
    -group [get_clocks eth_clk] \
    -group [get_clocks dac_clk] \
    -group [get_clocks adc_clk]