[PATCH 3/7] arm64: dts: renesas: r8a78000: Add GPIO controller nodes

Geert Uytterhoeven geert at linux-m68k.org
Sun Oct 25 04:02:09 PDT 2026


Hi Marek,

On Sat, 24 Oct 2026 at 07:35, Marek Vasut <marek.vasut at mailbox.org> wrote:
> On 10/23/26 7:50 PM, Geert Uytterhoeven wrote:
> > From: Marek Vasut <marek.vasut+renesas at mailbox.org>
> >
> > Add device nodes for the General-Purpose Input/Output Ports (GPIO) on
> > the Renesas R-Car X5H (R8A78000) SoC.
> >
> > Signed-off-by: Marek Vasut <marek.vasut+renesas at mailbox.org>
> > Co-developed-by: Geert Uytterhoeven <geert+renesas at glider.be>
> > Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>
> > ---
> > Changes compared to Marek's original:
> >    - Use hardware clocks/power-domains/resets instead of direct SCMI
> >      references,
> >    - Drop gpio-ranges properties for now, as upstream lacks Pin Function
> >      Controller (PFC) support.
>
> Is that ^ OK ? If so, good, TIL.

Yes, it works without PFC, as long as the pins are kept at their reset
state or configured for GPIO before Linux boots, which is the case
for the pins on the PWM connector.

> Reviewed-by: Marek Vasut <marek.vasut+renesas at mailbox.org>

Thanks!

BTW, looks like I used a wrong base for submitting, as the context does
include the pfc node, which is not present in upstream ;-)

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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