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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 7CC63C433E1 for ; Wed, 20 May 2020 16:43:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5B9B32065F for ; Wed, 20 May 2020 16:43:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="oM7UrpoK" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726898AbgETQnT (ORCPT ); Wed, 20 May 2020 12:43:19 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:41652 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726486AbgETQnT (ORCPT ); Wed, 20 May 2020 12:43:19 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Transfer-Encoding:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=NywBFRjF7GgWpXTGYPudEVjq/5XYdjF+2nJ4tHCAfxE=; b=oM7UrpoKp62ygCtrl3OO3UHXwL q05d/E9ylGaM5dCxgRScYxmI7EbY5LxvKIWlILW6QwcGv6/DGMKLl6rcV/4FoyT4gqcpx1HkNDzgR 6uYQNqBtFoMgsJRAyhMclV+GfqNIbdW5VcEECCJ852l8nYF0u0LXw3QTO5DMs9off5z4=; Received: from andrew by vps0.lunn.ch with local (Exim 4.93) (envelope-from ) id 1jbRoH-002pB6-1B; Wed, 20 May 2020 18:43:13 +0200 Date: Wed, 20 May 2020 18:43:13 +0200 From: Andrew Lunn To: Dan Murphy Cc: f.fainelli@gmail.com, hkallweit1@gmail.com, davem@davemloft.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH net-next v2 3/4] dt-bindings: net: Add RGMII internal delay for DP83869 Message-ID: <20200520164313.GI652285@lunn.ch> References: <20200520121835.31190-1-dmurphy@ti.com> <20200520121835.31190-4-dmurphy@ti.com> <20200520135624.GC652285@lunn.ch> <770e42bb-a5d7-fb3e-3fc1-b6f97a9aeb83@ti.com> <20200520153631.GH652285@lunn.ch> <95ab99bf-2fb5-c092-ad14-1b0a47c782a4@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <95ab99bf-2fb5-c092-ad14-1b0a47c782a4@ti.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > I am interested in knowing where that is documented.  I want to RTM I > grepped for a few different words but came up empty Hi Dan It probably is not well documented, but one example would be Documentation/devicetree/bindings/net/ethernet-controller.yaml says: # RX and TX delays are added by the MAC when required - rgmii # RGMII with internal RX and TX delays provided by the PHY, # the MAC should not add the RX or TX delays in this case - rgmii-id # RGMII with internal RX delay provided by the PHY, the MAC # should not add an RX delay in this case - rgmii-rxid # RGMII with internal TX delay provided by the PHY, the MAC # should not add an TX delay in this case Andrew