Hi Peng, On Wed, Apr 1, 2020 at 3:51 AM Peng Fan <peng.fan@xxxxxxx> wrote: > > aips1: bus@30000000 { > > compatible = "fsl,aips-bus", "simple-bus"; > > - reg = <0x301f0000 0x10000>; > > + reg = <0x30000000 0x400000>; > > Should the node name changed to bus@0x301f0000, but not > change reg? I don't think so. I have just adjusted the reg property to the AIPS range as per the i.MX8M Reference Manuals. > The 0x301f0000 is the correct aips configuration space. I don't see any of this AIPS configuration space mentioned in the Reference Manual. Also, we use the same approach on the other i.MX SoC dtsi files. Why i.MX8M dtsi needs to be different in this aspect? Regards, Fabio Estevam