Re: [PATCH v4 3/3] pinctrl: renesas: rzt2h: Add support for RZ/N2H SoC

[Lad, Prabhakar]

Hi Geert,

Thank you for the review.

On Wed, Aug 6, 2025 at 3:49 PM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
>
> Hi Prabhakar,
>
> On Fri, 1 Aug 2025 at 17:46, Prabhakar <prabhakar.csengg@xxxxxxxxx> wrote:
> > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> >
> > The RZ/N2H (R9A09G087) SoC from Renesas shares a similar pin controller
> > architecture with the RZ/T2H (R9A09G077) SoC, differing primarily in the
> > number of supported pins-576 on RZ/N2H versus 729 on RZ/T2H.
> >
> > Add the necessary pin configuration data and compatible string to enable
> > support for the RZ/N2H SoC in the RZ/T2H pinctrl driver.
> >
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
>
> Thanks for your patch!
>
> > --- a/drivers/pinctrl/renesas/Kconfig
> > +++ b/drivers/pinctrl/renesas/Kconfig
> > @@ -304,7 +305,7 @@ config PINCTRL_RZN1
> >           This selects pinctrl driver for Renesas RZ/N1 devices.
> >
> >  config PINCTRL_RZT2H
> > -       bool "pin control support for RZ/T2H" if COMPILE_TEST
> > +       bool "pin control support for RZ/N2H and RZ/T2H" if COMPILE_TEST
>
> Do you plan to update this for each new SoC?
>
Maybe I'll have this change done in patch 2/3.

> >         depends on 64BIT && OF
> >         select GPIOLIB
> >         select GENERIC_PINCTRL_GROUPS
> > diff --git a/drivers/pinctrl/renesas/pinctrl-rzt2h.c b/drivers/pinctrl/renesas/pinctrl-rzt2h.c
> > index 877f6d00830f..55c64d74cb54 100644
> > --- a/drivers/pinctrl/renesas/pinctrl-rzt2h.c
> > +++ b/drivers/pinctrl/renesas/pinctrl-rzt2h.c
> > @@ -764,6 +764,12 @@ static const u8 r9a09g077_gpio_configs[] = {
> >         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f,
> >  };
> >
> > +static const u8 r9a09g087_gpio_configs[] = {
> > +       0x1f, 0xff, 0xff, 0x1f, 0, 0xfe, 0xff, 0, 0x7e, 0xf0, 0xff, 0x1,
> > +       0xff, 0xff, 0xff, 0, 0xe0, 0xff, 0xff, 0, 0xff, 0xff, 0xff, 0x1,
> > +       0xe0, 0xff, 0xff, 0x7f, 0, 0xfe, 0xff, 0x7f, 0, 0xfc, 0x7f,
>
> Please always use 0xXX for consistent formatting.
>
Sure, I'll use the above format.

Cheers,
Prabhakar