From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: John Madieu <john.madieu.xa@bp.renesas.com>
Cc: geert+renesas@glider.be, magnus.damm@gmail.com, robh@kernel.org,
krzk+dt@kernel.org, conor+dt@kernel.org,
biju.das.jz@bp.renesas.com, linux-renesas-soc@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] arm64: dts: renesas: r9a09g047e57-smarc: Reduce I2C2 clock frequency
Date: Mon, 19 May 2025 08:21:21 +0200 [thread overview]
Message-ID: <aCrN4TCplWsxNPVE@shikoro> (raw)
In-Reply-To: <20250518220812.1480696-1-john.madieu.xa@bp.renesas.com>
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On Mon, May 19, 2025 at 12:08:12AM +0200, John Madieu wrote:
> Lower the I2C2 bus clock frequency on the RZ/G3E SMARC SoM from 1MHz to 400KHz
> to improve compatibility with a wider range of I2C peripherals. The previous
> 1MHz setting was too aggressive for some devices on the bus, which experienced
> timing issues at such a frequency.
>
> Fixes: f7a98e256ee3 ("arm64: dts: renesas: rzg3e-smarc-som: Add I2C2 device pincontrol")
> Signed-off-by: John Madieu <john.madieu.xa@bp.renesas.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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next prev parent reply other threads:[~2025-05-19 6:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-18 22:08 [PATCH] arm64: dts: renesas: r9a09g047e57-smarc: Reduce I2C2 clock frequency John Madieu
2025-05-19 6:21 ` Wolfram Sang [this message]
2025-05-19 8:28 ` Geert Uytterhoeven
2025-05-19 8:56 ` John Madieu
2025-05-23 15:39 ` Geert Uytterhoeven
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