Re: [PATCH v2] dt-bindings: i2c: renesas,riic: Drop clock-frequency from required

Geert Uytterhoeven <[email protected]> Thu, 6 Aug 2026 14:16:05 +0200
Newsgroups org.kernel.vger.linux-i2c,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-renesas-soc
Message-ID <CAMuHMdXBxvXQW43P9QGJxYnnoDrwGxJzCv1d7bXiAcP8CCw+_g@mail.gmail.com>
On Thu, 6 Aug 2026 at 13:10, Tommaso Merciai
<[email protected]> wrote:
> clock-frequency is described as optional, with 100 kHz assumed when
> absent, yet it is also listed as required.
>
> The description is correct: i2c-riic calls i2c_parse_fw_timings() with
> use_defaults set, so the core falls back to I2C_MAX_STANDARD_MODE_FREQ
> when the property is absent.
>
> The stale requirement only produces dtbs_check noise on boards relying
> on the default:
>
>   i2c@14400800 (renesas,riic-r9a09g047): 'clock-frequency' is a
>   required property
>
> Drop it.
>
> Signed-off-by: Tommaso Merciai <[email protected]>

Reviewed-by: Geert Uytterhoeven <[email protected]>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]

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