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From: Andrew Lunn <andrew@lunn.ch>
To: Joakim Zhang <qiangqing.zhang@nxp.com>
Cc: Fabio Estevam <festevam@gmail.com>,
	"shawnguo@kernel.org" <shawnguo@kernel.org>,
	"kernel@pengutronix.de" <kernel@pengutronix.de>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 3/4] ARM: dts: imx6ul-14x14-evk: Describe the KSZ8081 reset
Date: Thu, 11 Mar 2021 15:17:34 +0100	[thread overview]
Message-ID: <YEomfubsAvJeqyUQ@lunn.ch> (raw)
In-Reply-To: <DB8PR04MB67954943EF24F23DBDD715D4E6909@DB8PR04MB6795.eurprd04.prod.outlook.com>

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

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  reply	other threads:[~2021-03-11 14:19 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-07 23:50 [PATCH 1/4] ARM: dts: imx6ul-14x14-evk: Fix SPI chipselect polarity Fabio Estevam
2021-01-07 23:50 ` [PATCH 2/4] ARM: dts: imx6ul-14x14-evk: Enable the GPIO expander Fabio Estevam
2021-01-08  1:02   ` Andrew Lunn
2021-01-18  0:10   ` Shawn Guo
2021-01-07 23:50 ` [PATCH 3/4] ARM: dts: imx6ul-14x14-evk: Describe the KSZ8081 reset Fabio Estevam
2021-01-08  1:03   ` Andrew Lunn
2021-01-18  0:10   ` Shawn Guo
2021-03-10 11:04   ` Joakim Zhang
2021-03-11 11:33     ` Joakim Zhang
2021-03-11 14:17       ` Andrew Lunn [this message]
2021-03-12  2:02         ` Joakim Zhang
2021-03-12 11:34       ` Fabio Estevam
2021-01-07 23:50 ` [PATCH 4/4] ARM: dts: imx6ul-14x14-evk: Add camera support Fabio Estevam
2021-01-18  0:11   ` Shawn Guo
2021-01-18  0:09 ` [PATCH 1/4] ARM: dts: imx6ul-14x14-evk: Fix SPI chipselect polarity Shawn Guo

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