netdev - Re: [PATCH 12/12] can: rcar_canfd: Add transceiver support

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Message-ID: <CAMuHMdXtiC-Oo01Y-vCbokjF=L+YXMN=TucgqCS4Vtcg5gt==g@mail.gmail.com>
Date:   Tue, 24 Jan 2023 19:41:03 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Wolfgang Grandegger <wg@...ndegger.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Ulrich Hecht <uli+renesas@...nd.eu>, linux-can@...r.kernel.org,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: Re: [PATCH 12/12] can: rcar_canfd: Add transceiver support

On Mon, Jan 23, 2023 at 7:56 PM Geert Uytterhoeven
<geert+renesas@...der.be> wrote:
> Add support for CAN transceivers described as PHYs.
>
> While simple CAN transceivers can do without, this is needed for CAN
> transceivers like NXP TJR1443 that need a configuration step (like
> pulling standby or enable lines), and/or impose a bitrate limit.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
> ---
> This depends on "[PATCH 1/7] phy: Add devm_of_phy_optional_get() helper".
> https://lore.kernel.org/all/f53a1bcca637ceeafb04ce3540a605532d3bc34a.1674036164.git.geert+renesas@glider.be

v2: "[PATCH v2 3/9] phy: Add devm_of_phy_optional_get() helper"
    https://lore.kernel.org/all/4cd0069bcff424ffc5c3a102397c02370b91985b.1674584626.git.geert+renesas@glider.be

I'll keep you updated when/if this ends up on an immutable branch.

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