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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 915E0C77B60 for ; Wed, 26 Apr 2023 13:48:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241206AbjDZNsj (ORCPT ); Wed, 26 Apr 2023 09:48:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41278 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241210AbjDZNsi (ORCPT ); Wed, 26 Apr 2023 09:48:38 -0400 Received: from vps0.lunn.ch (vps0.lunn.ch [156.67.10.101]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 04E776A70; Wed, 26 Apr 2023 06:48:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=8wWWPvur8h/Ij6ruLlvui/wCIPbLdjmdshto9tS44Xk=; b=OIhLt+Mx0FLhYVseg7n40tccW9 T08XOqPLYztlGByIliFPzd9f4zNosrZKwCvXsZtBG7pAysrtvSXHBz1c0aAuTsn4k9wFjh+5rU5Bp 0hIRfrwjd9I8lwmXsicA69Y1J1pSHxD6NI1vvt1gwh51WnWQY5fF75YO+29EmJCHuN5w=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1prfVQ-00BHEm-8J; Wed, 26 Apr 2023 15:48:24 +0200 Date: Wed, 26 Apr 2023 15:48:24 +0200 From: Andrew Lunn To: Harini Katakam Cc: robh+dt@kernel.org, hkallweit1@gmail.com, linux@armlinux.org.uk, davem@davemloft.net, kuba@kernel.org, edumazet@google.com, pabeni@redhat.com, vladimir.oltean@nxp.com, wsa+renesas@sang-engineering.com, krzysztof.kozlowski+dt@linaro.org, simon.horman@corigine.com, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, harinikatakamlinux@gmail.com, michal.simek@amd.com, radhey.shyam.pandey@amd.com Subject: Re: [PATCH net-next v2 3/3] phy: mscc: Add support for VSC8531_02 with RGMII tuning Message-ID: <2bbbe874-2879-4b1a-bf79-2d5c1a7a35f4@lunn.ch> References: <20230426104313.28950-1-harini.katakam@amd.com> <20230426104313.28950-4-harini.katakam@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230426104313.28950-4-harini.katakam@amd.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Wed, Apr 26, 2023 at 04:13:13PM +0530, Harini Katakam wrote: > From: Harini Katakam > > Add support for VSC8531_02 (Rev 2) device. > Add support for optional RGMII RX and TX delay tuning via devicetree. > The hierarchy is: > - Retain the defaul 0.2ns delay when RGMII tuning is not set. > - Retain the default 2ns delay when RGMII tuning is set and DT delay > property is NOT specified. tuning is probably the wrong word here. I normally consider tuning as small changes from 0ns/2ns. The course setting of 0ns or 2ns is not tuning. I normally use RGMII internal delays to refer to that. However, i'm not sure there is consistency among drivers. Andrew