Hi Peng, On Mon, Nov 7, 2022 at 4:14 AM Peng Fan (OSS) <peng.fan at oss.nxp.com> wrote: > > From: Peng Fan <peng.fan at nxp.com> > > Select DM_SERIAL When converting to DM_SERIAL, please also remove setup_iomux_uart() from the board code.