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From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Linus Walleij <linus.walleij@linaro.org>,
	Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
	"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>
Subject: Re: [PATCH v2 3/4] pinctrl: renesas: Initial R8A779G0 (V4H) PFC support
Date: Tue, 14 Jun 2022 08:55:55 +0200	[thread overview]
Message-ID: <CAMuHMdUhz==kdNejHh9t15cRVLxyxamsj4APOU6gz1p5H9-=DA@mail.gmail.com> (raw)
In-Reply-To: <877d5kkuiq.wl-kuninori.morimoto.gx@renesas.com>

Hi Morimoto-san,

On Tue, Jun 14, 2022 at 1:34 AM Kuninori Morimoto
<kuninori.morimoto.gx@renesas.com> wrote:
> > > +#define CPU_ALL_GP(fn, sfx)                                                                \
> > > +   PORT_GP_CFG_19(0,       fn, sfx, CFG_FLAGS | SH_PFC_PIN_CFG_IO_VOLTAGE_18_33),  \
> > > +   PORT_GP_CFG_29(1,       fn, sfx, CFG_FLAGS | SH_PFC_PIN_CFG_IO_VOLTAGE_18_33),  \
> >
> > GP1_23 to GP1_28 do not support voltage control.
> (snip)
> > "<= RCAR_GP_PIN(1, 22)", as GP1_23 to GP1_28 do not support voltage
> > control.
>
> Am I missing something ?
> I guess GP1_23 to GP1_28 are same as other GP1_xxx.

Table 7.28 ("Configuration of Registers in POC0 , POC1") documents
voltage control bits in POC1 for bits 0-22 only.

However, the pin function spreadsheet says GP1_23 to GP1_28 are
1.8/3.3V.

Which one is correct?

Gr{oetje,eeting}s,

                        Geert

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

  reply	other threads:[~2022-06-14  6:56 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-07  1:06 [PATCH v2 0/4] pinctrl: renesas: r8a779g0: Add pins, groups and functions Kuninori Morimoto
2022-06-07  1:06 ` [PATCH v2 1/4] dt-bindings: pinctrl: renesas,pfc: Document r8a779g0 support Kuninori Morimoto
2022-06-09  9:58   ` Geert Uytterhoeven
2022-06-07  1:07 ` [PATCH v2 2/4] pinctrl: renesas: Add PORT_GP_CFG_13 macros Kuninori Morimoto
2022-06-09  9:58   ` Geert Uytterhoeven
2022-06-07  1:07 ` [PATCH v2 3/4] pinctrl: renesas: Initial R8A779G0 (V4H) PFC support Kuninori Morimoto
2022-06-10 11:43   ` Geert Uytterhoeven
2022-06-10 15:57   ` Geert Uytterhoeven
2022-06-12 23:51     ` Kuninori Morimoto
2022-06-13 15:18       ` Geert Uytterhoeven
2022-06-13 23:23         ` Kuninori Morimoto
2022-06-13 23:34     ` Kuninori Morimoto
2022-06-14  6:55       ` Geert Uytterhoeven [this message]
2022-06-15 22:17         ` Kuninori Morimoto
2022-06-13 15:08   ` Geert Uytterhoeven
2022-06-07  1:07 ` [PATCH v2 4/4] pinctrl: renesas: r8a779g0: Add pins, groups and functions Kuninori Morimoto
2022-06-09 16:30   ` Geert Uytterhoeven
2022-06-09 23:28     ` Kuninori Morimoto
2022-06-10 15:53   ` Geert Uytterhoeven

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