i want to connect the P2020 eTSEC to an SGMII interfaced phy (88e1512) ,
which clocks should i be connecting at the P2020 ,
these i am sure of :
but about this one :
Thanks ahead
> do i need to clock the eTSEC clock input as well - ?
No - refer to the P2020 QorIQ Integrated Processor Reference Manual, Table 14-1. eTSECn network interface signal properties:
"EC _GTX_CLK125
Oscillator source for GMII, TBI, RGMII, RTBI transmit clock, input, shared by all eTSECs"