端口复用的情况下怎么分类连接interface

1. interface i2c_if;
   
2. logic i2c_clk;
   
3. endinterface
   
4. 
   
5. interface spi_if;
   
6. logic spi_clk;
   
7. endinterface
   
8. 
   
9. moudle tb;
   
10. 
    
11. i2c_if i2c_if();
    
12. spi_if spi_if();
    
13. 
    
14. top dut
    
15. (
    
16. .clk ()//how to connect? i2c_if.i2c_clk or spi_if.spi_clk or something else?
    
17. );
    
18. 
    
19. endmodule

`ifdef ....