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Message-ID: <CAMuHMdVd8nhWX9__bo9oxE44_+FNYs3RhxmJNbz-kKnRzKJZYA@mail.gmail.com>
Date:   Thu, 7 Oct 2021 19:02:02 +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 2/4] pinctrl: pinconf-generic: Add support for
 "output-impedance" to be extracted from DT files

Hi Prabhakar,

On Thu, Sep 30, 2021 at 2:17 PM Lad Prabhakar
<prabhakar.mahadev-lad.rj@...renesas.com> wrote:
> Add "output-impedance" property to generic options used for DT parsing
> files. This enables drivers, which use generic pin configurations, to
> get the value passed to this property.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Thanks for your patch!

> --- a/drivers/pinctrl/pinconf-generic.c
> +++ b/drivers/pinctrl/pinconf-generic.c
> @@ -46,6 +46,7 @@ static const struct pin_config_item conf_items[] = {
>         PCONFDUMP(PIN_CONFIG_MODE_LOW_POWER, "pin low power", "mode", true),
>         PCONFDUMP(PIN_CONFIG_OUTPUT_ENABLE, "output enabled", NULL, false),
>         PCONFDUMP(PIN_CONFIG_OUTPUT, "pin output", "level", true),
> +       PCONFDUMP(PIN_CONFIG_OUTPUT_IMPEDANCE, "output impedance", "ohm", true),
>         PCONFDUMP(PIN_CONFIG_POWER_SOURCE, "pin power source", "selector", true),
>         PCONFDUMP(PIN_CONFIG_SLEEP_HARDWARE_STATE, "sleep hardware state", NULL, false),
>         PCONFDUMP(PIN_CONFIG_SLEW_RATE, "slew rate", NULL, true),
> @@ -179,6 +180,7 @@ static const struct pinconf_generic_params dt_params[] = {
>         { "output-disable", PIN_CONFIG_OUTPUT_ENABLE, 0 },
>         { "output-enable", PIN_CONFIG_OUTPUT_ENABLE, 1 },
>         { "output-high", PIN_CONFIG_OUTPUT, 1, },
> +       { "output-impedance", PIN_CONFIG_OUTPUT_IMPEDANCE, 0 },

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

>         { "output-low", PIN_CONFIG_OUTPUT, 0, },
>         { "power-source", PIN_CONFIG_POWER_SOURCE, 0 },
>         { "sleep-hardware-state", PIN_CONFIG_SLEEP_HARDWARE_STATE, 0 },

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

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