From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.zeus03.de (zeus03.de [194.117.254.33]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 248FE1DDC33 for ; Mon, 19 May 2025 06:21:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=194.117.254.33 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747635695; cv=none; b=Jg2vUA3a13MNKzIhzVfaBHjW2wvH0pkuZomASlPI+eIHB9T6Gg5gyIGWXXIpHLzFVWHVDldm6HYYcB/idlx+9vtEkmvmCpr9D75rqwbENgX0hBHSY74ya2hhpY1OOlFlwqls+b8dYROWVSJVbtMSyighMBvfCM8mU8C6yW1k/rQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747635695; c=relaxed/simple; bh=ZzWrZIzNv7FCA60AVJMVClV8tpAwbaYHCdojX1DvWt8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=V0EVl0/DJtMn+0wg6hXfIR7msfGd4v/w19a6DncS/4O44D2X019vNGSuqs7irgFMfGP1T+diYBqTPhikoBHyyR5aJAXczNBE5OlygeXS5g2MvtkSi9BE0btN2flOMlDtzBOi+BhHatTjGvuReiyu6fjKGPnBDYOgtE76DtvCZL0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b=VCwKl9og; arc=none smtp.client-ip=194.117.254.33 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="VCwKl9og" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to; s=k1; bh=ZzWr ZIzNv7FCA60AVJMVClV8tpAwbaYHCdojX1DvWt8=; b=VCwKl9ogFfNHdrxAdIE7 nddeo00qwgInkvzcd9Dtcw6c2dmFDNJWidZWGWOcRzKkc6+94iYLIcY0Tq55VGD9 K3qjTYmKlT5oDgUlOS+TMptkrH6AMpVqkcwUGuHzT8d6iewzPt4vMY57MkHH3Jtm 2Sk6xOZ72IZJCKxHk/q4yQUeARYt9SJlfiGqoV0Hyk0IccgirhNwccqwnbXHYgfd oTqkvQlWHuM4QJj5fPRBNdCnfFZdxkaRQC1ZDNNQ+DRb00KzSvPWxDwINMxKhcuN /b+2iXhpRYpTRlYNXdtYwfiqI0aBtauOzd5H++25/ySmDC5LYic4pi7btAG4tf73 1A== Received: (qmail 2349233 invoked from network); 19 May 2025 08:21:22 +0200 Received: by mail.zeus03.de with UTF8SMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 19 May 2025 08:21:22 +0200 X-UD-Smtp-Session: l3s3148p1@chkLJHc1YJ9bRaAl Date: Mon, 19 May 2025 08:21:21 +0200 From: Wolfram Sang To: John Madieu 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 Message-ID: Mail-Followup-To: Wolfram Sang , John Madieu , 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 References: <20250518220812.1480696-1-john.madieu.xa@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="L7aQLVtzTEpVJPok" Content-Disposition: inline In-Reply-To: <20250518220812.1480696-1-john.madieu.xa@bp.renesas.com> --L7aQLVtzTEpVJPok Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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 4= 00KHz > to improve compatibility with a wider range of I2C peripherals. The previ= ous > 1MHz setting was too aggressive for some devices on the bus, which experi= enced > timing issues at such a frequency. >=20 > Fixes: f7a98e256ee3 ("arm64: dts: renesas: rzg3e-smarc-som: Add I2C2 devi= ce pincontrol") > Signed-off-by: John Madieu Reviewed-by: Wolfram Sang --L7aQLVtzTEpVJPok Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmgqzd0ACgkQFA3kzBSg Kbadag//U1Ke7hpuRWmAvEygCdhBd6w8kKyCaoPCPwhT8Vq1Q+A61ABA4Ie95ysn A65LHjLsqvgloHF4uQTVAfbkKU79YyybUdv7XZzKcUNmi8TPFOhuwLej/NVaHJFn Gf7WOx/fwggkUQcbN6gX13LqX29Jxzrakpyw6IzPKXASyDaMfcw/wSicBVHrhlWu GSeb1xal5PihlELuq7MC4RfvXUzK7hFt1HDDcwd7dm5L8EYmjv5/I/ztQyTPWWnE NKUMW1GKIbcJCIuIGTZkS//rbxTZwCJvXuB2nq8iuKG6QDj5K03I+8Yqc8i2X6/t nNR/uvdcgMrGvrLlMMFH3X27J47K2hyyCBfZg9K6jzZAjZVXf9gvKVsvK6oDOzF5 RcLtc/7XXuuw+q8jp2wmPsWVuyUhOd4wWZ80KXuOVLHbo4PNB/nRDvfEjQF7uDOP vD4O9uPux9gA1mnN6JbyDh2+hrfL4She26/pOe3yx+FqZZJcHX7iQ1M4Xiw1fPvI CJN/Tgxv2iJIBV4guYu+yrANWaME3CcZtKQe38TIwSMtLR/jnvrCjZrBhdZbvtTH Y4X/bwyGfeeph5LJnXkUDg8lMh8PdNiebcEy5g6yxE0OZFeq6Xt9YeB99BKwG56p QfQ8ahMuv7OXTxMwv5YNN3oHAaJ1IbCDGb8gJQ0M0+J98AodzRQ= =0ZBV -----END PGP SIGNATURE----- --L7aQLVtzTEpVJPok--