linux-kernel - Re: [RFC PATCH 3/4] dt-bindings: pinctrl: renesas,rzg2l-pinctrl: Add output-impedance property

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Message-ID: <CAMuHMdUN-iFBAtUjvS8Bg+jqpkfcWrx=9Lif2VmYqMXLUZ5jtA@mail.gmail.com>
Date:   Thu, 7 Oct 2021 19:03:50 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Prabhakar <prabhakar.csengg@...il.com>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [RFC PATCH 3/4] dt-bindings: pinctrl: renesas,rzg2l-pinctrl: Add
 output-impedance property

Hi Prabhakar,

On Thu, Sep 30, 2021 at 2:17 PM Lad Prabhakar
<prabhakar.mahadev-lad.rj@...renesas.com> wrote:
> RZ/G2L SoC has two groups of pins, Group-A and Group-B. RZ/G2L SoC supports
> configuring Output Impedance for Group-B pins (valid values 33/50/66/100).
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Thanks for your patch!

> --- a/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
> @@ -73,6 +73,8 @@ additionalProperties:
>          pins: true
>          drive-strength:
>            enum: [ 2, 4, 8, 12 ]
> +        output-impedance:

"output-impedance-ohms", as per DT standardized property units.

> +          enum: [ 33, 50, 66, 100 ]
>          power-source:
>            enum: [ 1800, 2500, 3300 ]
>          slew-rate: true

With the above fixed:
Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-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