[PATCH] arm64: dts: renesas: r8a779g0: Fix HSCIF0 "brg_int" clock

Geert Uytterhoeven geert at linux-m68k.org
Mon Oct 10 04:12:05 PDT 2022


Hi Wolfram,

On Mon, Oct 10, 2022 at 9:56 AM Wolfram Sang <wsa at kernel.org> wrote:
> On Fri, Oct 07, 2022 at 05:20:03PM +0200, Geert Uytterhoeven wrote:
> > As serial communication requires a clock signal, the High Speed Serial
> > Communication Interfaces with FIFO (HSCIF) are clocked by a clock that
> > is not affected by Spread Spectrum or Fractional Multiplication.
> >
> > Hence change the clock input for the HSCIF0 Baud Rate Generator internal
> > clock from the S0D3_PER clock to the SASYNCPERD1 clock (which has the
> > same clock rate), cfr. R-Car V4H Hardware User's Manual rev. 0.54.
> >
> > Fixes: 987da486d84a5643 ("arm64: dts: renesas: Add Renesas R8A779G0 SoC support")
> > Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>
>
> Reviewed-by: Wolfram Sang <wsa+renesas at sang-engineering.com>

Thanks!

> Do we need to wait for the clarification about the docs mentioned in
> another thread?

This one matches the docs ;-)
It's the module clock's parent in the clock driver which doesn't seem to
match actual hardware.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

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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