linux-kernel - Re: [PATCH] i2c: riic: Allow setting frequencies lower than 50KHz

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Message-ID: <aNLxjmOj5Vy26BpE@shikoro>
Date: Tue, 23 Sep 2025 21:14:22 +0200
From: Wolfram Sang <wsa+renesas@...g-engineering.com>
To: Claudiu <claudiu.beznea@...on.dev>
Cc: chris.brandt@...esas.com, andi.shyti@...nel.org, wsa@...nel.org,
	linux-renesas-soc@...r.kernel.org, linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: Re: [PATCH] i2c: riic: Allow setting frequencies lower than 50KHz

On Tue, Sep 23, 2025 at 05:18:26PM +0300, Claudiu wrote:
> From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
> 
> The MR1.CKS field is 3 bits wide and all the possible values (from 0 to
> 7) are valid. This is true for all the SoCs currently integrated in
> upstream Linux. Take into account CKS=7 which allows setting bus
> frequencies lower than 50KHz. This may be useful at least for debugging.
> 
> Fixes: d982d6651419 ("i2c: riic: remove clock and frequency restrictions")
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>

Applied to for-current, thanks!


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