From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH] ARM: dts: am57xx-beagle-x15: implement errata "Ethernet RGMII2 Limited to 10/100 Mbps" Date: Thu, 12 Jan 2017 14:53:32 -0800 Message-ID: <20170112225332.GR2630@atomide.com> References: <20170112171429.8106-1-grygorii.strashko@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Mugunthan V N , linux-omap@vger.kernel.org, Sekhar Nori , netdev@vger.kernel.org To: Grygorii Strashko Return-path: Received: from muru.com ([72.249.23.125]:56998 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750772AbdALWxg (ORCPT ); Thu, 12 Jan 2017 17:53:36 -0500 Content-Disposition: inline In-Reply-To: <20170112171429.8106-1-grygorii.strashko@ti.com> Sender: netdev-owner@vger.kernel.org List-ID: * Grygorii Strashko [170112 09:15]: > According to errata i880 description the speed of Ethernet port 1 on AM572x > SoCs rev 1.1 shuld be limited to 10/100Mbps, because RGMII2 Switching > Characteristics are not compatible with 1000 Mbps operation [1]. > The issue is fixed with Rev 2.0 silicon. > > Hence, rework Beagle-X15 and Begale-X15-revb1 to use phy-handle instead of > phy_id and apply corresponding limitation to the Ethernet Phy 1. > > [1] http://www.ti.com/lit/er/sprz429j/sprz429j.pdf Applying into omap-for-v4.11/dt thanks. Tony