Re: [PATCH v2 4/4] arm64: dts: r8a7796: salvator: add serial console pins

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Hi Ulrich,

On Tue, Aug 16, 2016 at 4:47 PM, Ulrich Hecht
<ulrich.hecht+renesas@xxxxxxxxx> wrote:
> Adds pin control for SCIF2.
>
> Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@xxxxxxxxx>
> ---
>  arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts b/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts
> index e72be38..d4a774c 100644
> --- a/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts
> +++ b/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts
> @@ -31,11 +31,20 @@
>         };
>  };
>
> +&pfc {
> +       scif2_pins: scif2 {
> +               groups = "scif2_data_a", "scif2_clk";
> +               function = "scif2";
> +       };
> +};

I think you misunderstood my comment: I didn't mean to add "scif2_clk" (which
is not used on Salvator-X), but "scif_clk", which is the external clock for all
(H)SCIF instances, provided by 14.7456 MHz crystal X1  on Salvator-X.
This is used to program the BRG in SCIF2 to exactly 115200 bps.

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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