On 08/23/2024, Fabio Estevam wrote: > On Thu, Aug 22, 2024 at 11:12 PM Liu Ying <victor.liu@xxxxxxx> wrote: > >> + ports { >> + port@1 { > > @1 without reg = <1>; will cause a warning. reg = <1>; is in arch/arm64/boot/dts/freescale/imx8mp.dtsi, so it is not needed here. I don't see any warning without reg = <1>; here. Do you see the warning you are claiming? If yes, can you paste the warning and what command do you use to trigger the warning? -- Regards, Liu Ying