Hi Anand, On 11/11/22 10:42, Anand Moon wrote: > On rk356x ethernet phy support reduced media independent interface (RMII) > and reduced gigabit media independent interface (RGMII). > So set the phy mode to rgmii. > > Signed-off-by: Anand Moon <linux.amoon@xxxxxxxxx> > --- > arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts > index ea74ba32fbbd..72e410e3aca8 100644 > --- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts > +++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts > @@ -253,7 +253,7 @@ &gmac1 { > assigned-clock-rates = <0>, <125000000>; > clock_in_out = "output"; > phy-handle = <&rgmii_phy1>; > - phy-mode = "rgmii-id"; > + phy-mode = "rgmii"; What are you trying to fix here? If it ain't broken, don't fix it. I would assume if you switch from rgmii-id to rgmii you need to adjust the rx/tx-delays, otherwise this change does not make sense to me. Feel free to point out what I am missing, though. Best regards, Michael > pinctrl-names = "default"; > pinctrl-0 = <&gmac1m1_miim > &gmac1m1_tx_bus2