From: Oliver Graute <oliver.graute@gmail.com>
To: Fabio Estevam <festevam@gmail.com>
Cc: "Andrew Lunn" <andrew@lunn.ch>, "Peng Fan" <peng.fan@nxp.com>,
"Florian Fainelli" <f.fainelli@gmail.com>,
"Anson Huang" <anson.huang@nxp.com>,
"Marc Gonzalez" <marc.w.gonzalez@free.fr>,
"André Draszik" <git@andred.net>,
LKML <linux-kernel@vger.kernel.org>,
"Russell King" <rmk+kernel@armlinux.org.uk>,
dl-linux-imx <linux-imx@nxp.com>,
"Linux ARM" <linux-arm-kernel@lists.infradead.org>,
"Heiner Kallweit" <hkallweit1@gmail.com>
Subject: Re: [PATCH] arm64: defconfig: Change CONFIG_AT803X_PHY from m to y
Date: Thu, 28 Nov 2019 11:06:57 +0100 [thread overview]
Message-ID: <20191128100657.GB2460@optiplex> (raw)
In-Reply-To: <CAOMZO5AeMgUjH4pxC4B1OFqHZDgtXs3dAiFazKEa9_txd81v6A@mail.gmail.com>
On 27/11/19, Fabio Estevam wrote:
> Hi Oliver,
>
> On Wed, Nov 27, 2019 at 9:47 AM Oliver Graute <oliver.graute@gmail.com> 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
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next prev parent reply other threads:[~2019-11-28 10:08 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-04 6:19 [PATCH] arm64: defconfig: Change CONFIG_AT803X_PHY from m to y Peng Fan
2019-11-04 7:26 ` Shawn Guo
2019-11-26 14:54 ` Oliver Graute
2019-11-27 8:47 ` Marc Gonzalez
2019-11-27 12:46 ` Oliver Graute
2019-11-27 12:56 ` Fabio Estevam
2019-11-28 10:06 ` Oliver Graute [this message]
2019-11-28 9:11 ` Marc Gonzalez
2019-11-28 12:16 ` Oliver Graute
2019-12-02 8:38 ` Shawn Guo
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