[    1.475508] rk_gmac-dwmac ff540000.ethernet: Looking up phy-supply from device tree
[    1.475743] rk_gmac-dwmac ff540000.ethernet: clock input or output? (input).
[    1.476672] rk_gmac-dwmac ff540000.ethernet: TX delay(0x26).
[    1.477401] rk_gmac-dwmac ff540000.ethernet: RX delay(0x11).
[    1.478154] rk_gmac-dwmac ff540000.ethernet: integrated PHY? (no).
[    1.479201] rk_gmac-dwmac ff540000.ethernet: cannot get clock clk_mac_speed
[    1.480107] rk_gmac-dwmac ff540000.ethernet: clock input from PHY
[    1.485917] rk_gmac-dwmac ff540000.ethernet: init for RGMII
[    9.093009] rk_gmac-dwmac ff540000.ethernet eth0: Link is Up - 1Gbps/Full - flow control rx/tx