Re: [PATCH v3 15/15] ARM: dts: rza2mevb: Add USB host support

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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



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