Re: [PATCH 3/3] arm64: dts: renesas: r9a09g047e57-smarc: Set I2C1 clock frequency to 1 MHz

Geert Uytterhoeven <[email protected]>
Newsgroups gmane.linux.sound,gmane.linux.kernel.renesas-soc,gmane.linux.drivers.devicetree,gmane.linux.kernel
Message-ID <CAMuHMdXcCDcPiQh9DEL7ujWSCQCvqMZHatWZhHha-2-JBo4oKA@mail.gmail.com>
Hi Tommaso,

On Mon, 3 Aug 2026 at 15:29, Tommaso Merciai
<[email protected]> wrote:
> On the SMARC carrier board I2C1 only carries the DA7212 audio codec.
> Override the 100 kHz SoC default with 1 MHz.
>
> Signed-off-by: Tommaso Merciai <[email protected]>

Thanks for your patch!

According to the DA7212 documentation, it supports 3.4 MHz, too.
But given the I2C bus is also exposed on PMOD, GPIO, and M2 connectors,
1 MHz is probably the safer value.

Reviewed-by: Geert Uytterhoeven <[email protected]>
i.e. will queue in renesas-devel for v7.4.

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
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