Hi Michel, On Mon, Feb 26, 2018 at 1:18 PM, Michel Pollet <michel.pollet@xxxxxxxxxxxxxx> wrote: > Only enables the uart0 for now, and also relies on the bootloader > for setting up the clocks and pinctrl. > > Signed-off-by: Michel Pollet <michel.pollet@xxxxxxxxxxxxxx> Thanks for your patch! This should be split in two parts: > Documentation/devicetree/bindings/arm/shmobile.txt | 2 ++ 1. DT bindings > arch/arm/boot/dts/rzn1d400-db.dts | 25 ++++++++++++++++++++++ 2. Board DTS + (missing) arch/arm/boot/dts/Makefile update. > --- /dev/null > +++ b/arch/arm/boot/dts/rzn1d400-db.dts Why the 400? 400-pin package? Please follow <SoC>-<board>.dts naming convention, i.e. r9a06g032-rzn1d-db.dts > @@ -0,0 +1,25 @@ > +/* > + * Device Tree Source for the RZN1D-DB Board > + * > + * Copyright (C) 2018 Renesas Electronics Europe Limited > + * > + * SPDX-License-Identifier: GPL-2.0 > + */ > + > +/dts-v1/; > + > +#include "rzn1.dtsi" > + > +/ { > + model = "RZN1D-DB Board"; > + compatible = "renesas,rzn1d-db", "renesas,r9a06g032"; > + > + chosen { > + bootargs = "console=ttyS0,115200"; "console=" is not needed, as it is handled by stdout-path these days, so you can remove bootargs for now. > + stdout-path = &uart0; stdout-path = "serial0:115200n8"; Please move the serial0 alias definition to the board DTS, as labeling of serial ports is board-specific. > + linux,stdout-path = &uart0; linux,stdout-path is deprecated, please remove it. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds