netdev - Re: [PATCH v2 1/5] dt-bindings: net: can: renesas,rcar-canfd: Document RZ/G2L SoC

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Message-ID: <e08d6e454be46033b6ec025afabd41f9a8381a62.camel@pengutronix.de>
Date:   Tue, 20 Jul 2021 18:33:41 +0200
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        "Lad, Prabhakar" <prabhakar.csengg@...il.com>
Cc:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Rob Herring <robh+dt@...nel.org>,
        Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, linux-can@...r.kernel.org,
        netdev <netdev@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH v2 1/5] dt-bindings: net: can: renesas,rcar-canfd:
 Document RZ/G2L SoC

Hi Geert,

On Tue, 2021-07-20 at 17:11 +0200, Geert Uytterhoeven wrote:
[...]
> 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")?

Not really. There is "rst", which seems to be slightly more popular than
"reset". Some bindings use "core" to differentiate between the
functional reset and peripheral resets like bus or phy resets.

Ideally the reset-names would match the names of the reset inputs in the
IP core documentation (not the global names of the reset signals in the
SoC documentation). But more often than not they are not known.

regards
Philipp