Re: [PATCH 1/3] arm64: dts: renesas: hihope-common: Add PCA9654 I/O expander

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Hi Biju,

On Fri, Jul 5, 2019 at 12:20 PM Biju Das <biju.das@xxxxxxxxxxxxxx> wrote:
> Enable PCA9654 GPIO expander, so that we can configure its GPIOs later.
>
> Signed-off-by: Biju Das <biju.das@xxxxxxxxxxxxxx>

> --- a/arch/arm64/boot/dts/renesas/hihope-common.dtsi
> +++ b/arch/arm64/boot/dts/renesas/hihope-common.dtsi
> @@ -162,6 +162,13 @@
>         clock-frequency = <400000>;
>         status = "okay";
>
> +       gpio_expander: gpio@20 {
> +               compatible = "onnn,pca9654";
> +               reg = <0x20>;
> +               gpio-controller;
> +               #gpio-cells = <2>;

You may want to describe that the interrupt output is tied to GP5_25?

> +       };
> +

Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

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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