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Thu, 28 Nov 2019 02:08:02 -0800 (PST) Date: Thu, 28 Nov 2019 11:06:57 +0100 From: Oliver Graute To: Fabio Estevam Subject: Re: [PATCH] arm64: defconfig: Change CONFIG_AT803X_PHY from m to y Message-ID: <20191128100657.GB2460@optiplex> References: <20191127124638.GC5108@optiplex> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191128_020805_344256_442471BD X-CRM114-Status: GOOD ( 14.99 ) 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: Andrew Lunn , Peng Fan , Florian Fainelli , Anson Huang , Marc Gonzalez , =?iso-8859-1?Q?Andr=E9?= Draszik , LKML , Russell King , dl-linux-imx , Linux ARM , Heiner Kallweit Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 27/11/19, Fabio Estevam wrote: > Hi Oliver, > > On Wed, Nov 27, 2019 at 9:47 AM Oliver Graute wrote: > > > I'am using this DTS which I'am currently working on: > > > > https://lists.infradead.org/pipermail/linux-arm-kernel/2019-October/689501.html > > > > > > I bet one dollar that 6d4cd041f0af triggered a latent bug in the DTS. > > > > So what should I fix in my device tree? > > Some suggestions you could try: > > - Try to use phy-mode = "rgmii-id"; instead, > - The PHY address 0 does not match the reg value of 4, so you need to > double check the PHY address and make the @ and reg values to match. ok I fix that in my dts. > - If you have a GPIO connected to the Ethernet PHY reset pin, then you > should describe it in the dts and also provide a delay as per the > AR803X datasheet. it seems that currently no ethernet phy reset gpio is connected on that advantech eval board. The vendor says there is a optional resistor which can be mounted. Best regards, Oliver _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel