Re: [PATCH v2 2/2] ARM: dts: renesas: r9a06g032-rzn1d400-eb: enable GPIOs on CN12

Hi Wolfram,

On Thu, 16 Jul 2026 at 11:59, Wolfram Sang
<[email protected]> wrote:
> CN12 offers some GPIOs independently of switch settings. Add the nodes.
>
> Signed-off-by: Wolfram Sang <[email protected]>

Thanks for your patch!

> --- a/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-eb.dts
> +++ b/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-eb.dts
> @@ -53,6 +53,11 @@ led@1 {
>         };
>  };
>
> +&gpio2b {
> +       pinctrl-0 = <&pins_gpio2b>;
> +       pinctrl-names = "default";
> +};
> +
>  &i2c2 {
>         /* Sensors are different across revisions. All are LM75B compatible */
>         sensor@49 {
> @@ -132,6 +137,17 @@ pins_eth2: pins-eth2 {
>                 bias-disable;
>         };
>
> +       pins_gpio2b: pins-gpio2b {

pins-cn12?

> +               pinmux = <RZN1_PINMUX(164, RZN1_FUNC_GPIO)>,
> +                        <RZN1_PINMUX(165, RZN1_FUNC_GPIO)>,
> +                        <RZN1_PINMUX(166, RZN1_FUNC_GPIO)>,
> +                        <RZN1_PINMUX(167, RZN1_FUNC_GPIO)>,
> +                        <RZN1_PINMUX(168, RZN1_FUNC_GPIO)>,
> +                        <RZN1_PINMUX(169, RZN1_FUNC_GPIO)>;
> +               drive-strength = <6>;
> +               bias-disable;

These pins don't have any external pull-ups, so disabling bias will
make them pick-up random EM noise when left unconnected.

> +       };
> +
>         pins_mdio0: pins-mdio0 {
>                 pinmux = <RZN1_PINMUX(150, RZN1_FUNC_MDIO0_GMAC0)>,
>                          <RZN1_PINMUX(151, RZN1_FUNC_MDIO0_GMAC0)>;

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]

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