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 1BBB11836F7 for ; Fri, 14 Jun 2024 08:12:51 +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=1718352775; cv=none; b=hdimWzu4N71QQPboQzU5EY1yCgfC5c0jUU+QoKLCzMtnN9zT6qoJ9YCWoq7QsI1Lk3aVFChNCz3UUjtadinSMyn0yHBIWttt4OkBG4YLrNzSsvz6Mjbg/ucbkURPHHqA8ATA6osKKrWG9PL9QMIH2ZKb92tBaM50KnfxWhnF1cs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718352775; c=relaxed/simple; bh=tp/NGE8RxyPHEtfvReImUJ2XG70OLA+d30WQHKc29AY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=eSrVuP2ZdwFF3vrkHLdm+iywMGgPhBl9EwjyKTQO9lHmhVItkWYayQD3619Bx4/xMGni4SAzu4th0BgKF72iZzMtKYKoon7a/EgZ9m1hw9RFen6RuptPGoxfZJuhIBp1/1MGVmqDCJs6C0xqvdQMfGGBdySZbZCAt5kAW2ZZU+k= 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=d2scBl8s; 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="d2scBl8s" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type :content-transfer-encoding; s=k1; bh=CFQTXPUSMeT7AYVoruD7Npcs4kM +ge+9KCd3MJfEn/4=; b=d2scBl8sEJsEnqQxWfrcz+oW3TWGdEn8shOY0DzbDhD oz+FOUv1e+XofBDao5B9w4aFrq3rwDlY2O9fuMfxQcPDWt/6HZgMTLyqsxXUPaqi g7slaN7Qdxgq9bVrjOWD6ex2tgvqjaaaFl4yLeY7NH6K1uj1YSFWZXEgF0b02/2d RD9FQdZ4Cq7jpAOHiKp60LP6so904CitYXAUeIVMqOMjdIuB4BEGgC8EMFdKXYdg 8eC4kqk3+vlH3pHB5OdjkVkBhy/HgoXa5demZPoXtAo4TxBoth6Bvs4SmBemB8JR nTE4JuoX1qgEjyvQIbKOtxV02LwaMPMpopvJTtzk11w== Received: (qmail 1438163 invoked from network); 14 Jun 2024 10:12:49 +0200 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 14 Jun 2024 10:12:49 +0200 X-UD-Smtp-Session: l3s3148p1@nehsLtUaFoIgAwDPXzjQABqqX1QYyOSW From: Wolfram Sang To: linux-i2c@vger.kernel.org Cc: Easwar Hariharan , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Andi Shyti , Wolfram Sang Subject: [PATCH v3 3/6] docs: i2c: summary: update speed mode description Date: Fri, 14 Jun 2024 10:12:41 +0200 Message-ID: <20240614081239.7128-11-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240614081239.7128-8-wsa+renesas@sang-engineering.com> References: <20240614081239.7128-8-wsa+renesas@sang-engineering.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fastest I2C mode is 5 MHz. Update the docs and reword the paragraph slightly. Signed-off-by: Wolfram Sang Reviewed-by: Easwar Hariharan --- Documentation/i2c/summary.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/i2c/summary.rst b/Documentation/i2c/summary.rst index e3ab1d414014..a1e5c0715f8b 100644 --- a/Documentation/i2c/summary.rst +++ b/Documentation/i2c/summary.rst @@ -3,8 +3,8 @@ Introduction to I2C and SMBus ============================= I²C (pronounce: I squared C and written I2C in the kernel documentation) is -a protocol developed by Philips. It is a slow two-wire protocol (variable -speed, up to 400 kHz), with a high speed extension (3.4 MHz). It provides +a protocol developed by Philips. It is a two-wire protocol with variable +speed (typically up to 400 kHz, high speed modes up to 5 MHz). It provides an inexpensive bus for connecting many types of devices with infrequent or low bandwidth communications needs. I2C is widely used with embedded systems. Some systems use variants that don't meet branding requirements, -- 2.43.0