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From: Geert Uytterhoeven <geert@linux-m68k.org>
To: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
	Rob Herring <robh+dt@kernel.org>,
	Fabrizio Castro <fabrizio.castro.jz@renesas.com>,
	Wolfgang Grandegger <wg@grandegger.com>,
	Marc Kleine-Budde <mkl@pengutronix.de>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>,
	linux-can@vger.kernel.org, netdev <netdev@vger.kernel.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
	<devicetree@vger.kernel.org>,
	linux-clk <linux-clk@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
	Biju Das <biju.das.jz@bp.renesas.com>
Subject: Re: [PATCH v2 1/5] dt-bindings: net: can: renesas,rcar-canfd: Document RZ/G2L SoC
Date: Tue, 20 Jul 2021 17:11:42 +0200	[thread overview]
Message-ID: <CAMuHMdVFarkF49=Vvcv-6NLhxbLUE33PXnqhAiPxpaCNN7u4Bw@mail.gmail.com> (raw)
In-Reply-To: <CA+V-a8v-54QXtcT-gPy5vj9drqZ6Ntr0-3j=42Dedi-kojNtXQ@mail.gmail.com>

Hi Prabhakar,

On Tue, Jul 20, 2021 at 4:31 PM Lad, Prabhakar
<prabhakar.csengg@gmail.com> wrote:
> On Tue, Jul 20, 2021 at 11:22 AM Philipp Zabel <p.zabel@pengutronix.de> wrote:
> > On Mon, 2021-07-19 at 15:38 +0100, Lad Prabhakar wrote:
> > > Add CANFD binding documentation for Renesas RZ/G2L SoC.
> > >
> > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> > > Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>

> > > --- a/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml
> > > +++ b/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml

> > > +    resets:
> > > +      items:
> > > +        - description: CANFD_RSTP_N
> > > +        - description: CANFD_RSTC_N
> >
> > Do you know what the "P" and "C" stands for? It would be nice if the
> > description could tell us what the reset lines are used for.
> >
> unfortunately the HW manual does not mention  anything about "P" and "C" :(
>
> > I would prefer if you used these names (or shortened versions, for
> > example "rstp_n", "rstc_n") as "reset-names" and let the driver
> > reference the resets by name instead of by index.
> >
> OK will do that and maxItems:2 for resets.
>
> @Geert, for R-Car Gen3 does "canfd_rst" (as it's a module reset)
> sounds good for reset-names? Or do you have any other suggestions?

I wouldn't bother with reset-names on R-Car, as there is only a
single reset.

BTW, does there exist a generally-accepted reset-equivalent of "fck"
("Functional ClocK")?

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:[~2021-07-20 15:28 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-19 14:38 [PATCH v2 0/5] Renesas RZ/G2L CANFD support Lad Prabhakar
2021-07-19 14:38 ` [PATCH v2 1/5] dt-bindings: net: can: renesas,rcar-canfd: Document RZ/G2L SoC Lad Prabhakar
2021-07-20 10:20   ` Geert Uytterhoeven
2021-07-20 14:37     ` Lad, Prabhakar
2021-07-20 10:22   ` Philipp Zabel
2021-07-20 14:31     ` Lad, Prabhakar
2021-07-20 15:11       ` Geert Uytterhoeven [this message]
2021-07-20 15:56         ` Lad, Prabhakar
2021-07-20 16:33         ` Philipp Zabel
2021-07-20 16:33       ` Philipp Zabel
2021-07-19 14:38 ` [PATCH v2 2/5] can: rcar_canfd: Add support for RZ/G2L family Lad Prabhakar
2021-07-20 10:23   ` Philipp Zabel
2021-07-20 14:57     ` Lad, Prabhakar
2021-07-20 10:30   ` Geert Uytterhoeven
2021-07-20 15:15     ` Lad, Prabhakar
2021-07-19 14:38 ` [PATCH v2 3/5] dt-bindings: clk: r9a07g044-cpg: Add entry for P0_DIV2 core clock Lad Prabhakar
2021-07-20 10:39   ` Geert Uytterhoeven
2021-07-19 14:38 ` [PATCH v2 4/5] clk: renesas: r9a07g044-cpg: Add entry for fixed clock P0_DIV2 Lad Prabhakar
2021-07-20 10:39   ` Geert Uytterhoeven
2021-07-19 14:38 ` [PATCH v2 5/5] arm64: dts: renesas: r9a07g044: Add CANFD node Lad Prabhakar

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