Hi Junhao, > I have tried rgmii-id with tx_delay/rx_delay 0x38/0x15, or 0x0/0x0, > or directly removed tx_delay/rx_delay, they all didn't transmit data. > > I saw in dwmac-rk.c that when using rgmii-id, the tx_delay/rx_delay > properties in dt are ignored? When using rgmii-id mode, tx_delay and rx_delay can be removed directly. But you need to test whether the rx/tx-internal-delay-ps is appropriate. -- 2.25.1
