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=-4.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 72C68C433DB for ; Thu, 11 Mar 2021 14:19:21 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 E075264FA9 for ; Thu, 11 Mar 2021 14:19:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E075264FA9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lunn.ch Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+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=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=TYsotWQ/QUaBpN10CVh93G0vlJfBYW8/rTobOcSk0o4=; b=nEWI5nRLK7WfnoZSnPftPgot1 yAPuHV9UbUKXO27PkJNd9tHgdhJA+u3PfHvo5beYjuIGWOrCYzZVS46c4g7RQIoTgth8jjMlFgDCx NOj0NPWGIW6EnIafuYf13Yd1aDvwiTgv+WOxrqDFAzKnAaR7a9m0eIPpVUdBQKvdq5voRwCqyQBBA G5lXT18+FcIoCUfQmaJcTbCULJEYlmblX4RMKUE0KIYKbm2GdkcNDAProXZQVH3Jfx28vWJqFs+CY dDmsTgwp4pOTiafDgzaE8J2zUIg4PCW4Srpw5ixG4B9ZOpIpcy3PSTvh3zWbtLL5LD5v0XF2pnlfA cTToF0u3w==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lKM8M-009J17-7a; Thu, 11 Mar 2021 14:17:50 +0000 Received: from vps0.lunn.ch ([185.16.172.187]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lKM8H-009IzP-RU for linux-arm-kernel@lists.infradead.org; Thu, 11 Mar 2021 14:17:48 +0000 Received: from andrew by vps0.lunn.ch with local (Exim 4.94) (envelope-from ) id 1lKM86-00AMEH-RN; Thu, 11 Mar 2021 15:17:34 +0100 Date: Thu, 11 Mar 2021 15:17:34 +0100 From: Andrew Lunn To: Joakim Zhang Cc: Fabio Estevam , "shawnguo@kernel.org" , "kernel@pengutronix.de" , "linux-arm-kernel@lists.infradead.org" Subject: Re: [PATCH 3/4] ARM: dts: imx6ul-14x14-evk: Describe the KSZ8081 reset Message-ID: References: <20210107235044.7897-1-festevam@gmail.com> <20210107235044.7897-3-festevam@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210311_141745_930137_F15AAF0C X-CRM114-Status: UNSURE ( 8.18 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Mar 11, 2021 at 11:33:04AM +0000, Joakim Zhang wrote: > > Hi Fabio, Shawn, Andrew, > > I found the root cause is the schematic diagram defect, both > ENET1_nRST and ENET2_nRST are connect to ENET_nRST, which means PHY0 > and PHY1 can't be hardware reset independently. You can move the reset-gpio up into the MDIO node. It then becomes an MDIO bus reset, resetting all PHYs on the bus before they are probed. Andrew _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel