Hi Chris, On Tue, May 14, 2019 at 4:58 PM Chris Brandt <chris.brandt@xxxxxxxxxxx> wrote: > Enable USB Host support for both the Type-C connector on the CPU board > and the Type-A plug on the sub board. > > Both boards are also capable of USB Device operation as well after the > appropriate Device Tree modifications. > > Signed-off-by: Chris Brandt <chris.brandt@xxxxxxxxxxx> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> One question below. > --- a/arch/arm/boot/dts/r7s9210-rza2mevb.dts > +++ b/arch/arm/boot/dts/r7s9210-rza2mevb.dts > @@ -161,3 +173,28 @@ > bus-width = <4>; > status = "okay"; > }; > + > +/* USB-0 as Host */ > +/* NOTE: Requires JP3 to be fitted */ This not applies to the dr_mode property below, right? So perhaps it should be moved there... > +&usb2_phy0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&usb0_pins>; > + dr_mode = "host"; ... like: dr_mode = "host"; /* Requires JP3 to be fitted */ Does resistor R78 need to be mounted, too? > + status = "okay"; > +}; 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