From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8DD99C48BD6 for ; Thu, 27 Jun 2019 13:34:51 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 60C302086D for ; Thu, 27 Jun 2019 13:34:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="bxsi9ehn" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 60C302086D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=the-dreams.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=FKAowRXNL0mO3sLUQxKNnI+dqWB/065S1p+IFmnlLZ0=; b=bxsi9ehnLAXgHamm4UmuqlPMY piwVl4Lcf0G3bq52hpRFjn6dPOjfgWxWgiLDgT7vn9ajQYMzMR0iSdV6bC/9B5+yF3T+Mm5w9jNLn VqsuN5jy8jLBIRaQVKaw94ytyJIHXBu1SFNjWGKTvIAk90d+ftDMNVyT0l7Ahf23I3qU35W1YyeK8 n0brIwIJOvKbTh9EmJCfLzd87P5YXMzAMQBzXdNne0NcqAJXbQMJ2giWPLnOT49Rgnz60XOrEc4zT yRgtpjgSxcDu56CtWZGsAIJD43BhCVrAQzZ6VkzEl6bXwuFsRsiL9t71di2IUYK+yDtWezXUkO6gq roPr1wplw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hgUY3-0003Cb-Qg; Thu, 27 Jun 2019 13:34:47 +0000 Received: from sauhun.de ([88.99.104.3] helo=pokefinder.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hgUY0-0003BC-Oz for linux-arm-kernel@lists.infradead.org; Thu, 27 Jun 2019 13:34:46 +0000 Received: from localhost (p54B33130.dip0.t-ipconnect.de [84.179.49.48]) by pokefinder.org (Postfix) with ESMTPSA id 230072C3112; Thu, 27 Jun 2019 15:34:41 +0200 (CEST) Date: Thu, 27 Jun 2019 15:34:40 +0200 From: Wolfram Sang To: Eugen.Hristev@microchip.com Subject: Re: I2C filtering (was Re: [PATCH v2 6/9] dt-bindings: i2c: at91: add binding for enable-ana-filt) Message-ID: <20190627133440.GA7158@ninjato> References: <1561449642-26956-1-git-send-email-eugen.hristev@microchip.com> <1561449642-26956-7-git-send-email-eugen.hristev@microchip.com> <4e81d3c9-25f3-ca6e-f2d5-17fad5905bb8@axentia.se> <84628b5e-bea7-7d91-f790-f3a2650040fa@microchip.com> <20190625093156.GF5690@piout.net> <20190625095533.GC1688@kunai> <20190627132200.GK3692@piout.net> MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190627_063444_973445_1D155D19 X-CRM114-Status: UNSURE ( 9.23 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, alexandre.belloni@bootlin.com, linux-stm32@st-md-mailman.stormreply.com, pierre-yves.mordret@st.com, linux-kernel@vger.kernel.org, Ludovic.Desroches@microchip.com, robh+dt@kernel.org, linux-i2c@vger.kernel.org, peda@axentia.se, linux-arm-kernel@lists.infradead.org Content-Type: multipart/mixed; boundary="===============4321046675170833672==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============4321046675170833672== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="7AUc2qLy4jB3hD7Z" Content-Disposition: inline --7AUc2qLy4jB3hD7Z Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > > Apart from enabling the filter there is indeed one configuration > > setting, the maximum pulse width of spikes to be suppressed by the input > > filter. Yup, this is what I anticipated. > This is a number 0 to 7 (3 bits) that represents the width of the spike= =20 > in periph clock cycles. For a generic binding, we would need some time-value as a parameter and convert it to clock cycles in the driver then, I'd think. > I am looking to see what is PADFCFG , as it's related to the PAD analog= =20 > filter configuration. It may be unused by the filter. Thanks! --7AUc2qLy4jB3hD7Z Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAl0UxewACgkQFA3kzBSg KbbBxw/+PKlsndFyCPTuBvbsZv6QYFNcJSE6IMOwxnfLjInOoY8cAl/2uc55yh8K uVXgbOdp9bQEtjjgva8oMOZdT+8N6EOqm+Bjqu2Nw44UsQ6HQXUM+LJU9J35Me4T USjBCsZL+3rf9SUBq4xDSUa05wBuKN0ZC1Mss55kkBD/R4ULrd9VoVx0rpSe6oAF /XQeBDsWhqDG15zoZysXgQ/he7kLCGgtPf+dz0vA80JefsflXEyrr3Al9rggVP/F gK3+4UqBE8YLn0Iepd0HKsk7z3Qs7uLfjZex7fbd9Ul81JCN2yHn4PFIuV+NJf86 C7Nh7zYojp41vxBF1llxMvm+2E4z23KkQ/SKmTqOshOxxEcYH2OdfvuWPyLBctHr Ex3IKFo/wESvBs12NPz1AAC/EadHG6elpaHNkdNaGjWMA4eIchDF+vaVXVsr34gT FYSfwVLHx4WZEKBzF+jWds5EBUbNWhSF0+e5vBOkL6BsGJpU5PTgxuvbO3L6jqCj nbCIkxFFM+pJCcwnb1eaDG9I9IUb1962hciz4tjFWMLog+QJdtWrwSk+az1237Jc 0okdeuwS1ztxn84GLBuELSkDizc0GlYEJbz0+ICd2ZLXXFRwytpC/b3Sj/QgGOWM GNZtPtRGoadH2jxHySVRG+j9veFm1US51dR4b25SHUzlWyAR62A= =tCqi -----END PGP SIGNATURE----- --7AUc2qLy4jB3hD7Z-- --===============4321046675170833672== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============4321046675170833672==--