From: Andrew Lunn <andrew@lunn.ch>
To: Madalin Bucur <madalin.bucur@oss.nxp.com>
Cc: davem@davemloft.net, netdev@vger.kernel.org,
devicetree@vger.kernel.org, shawnguo@kernel.org,
leoyang.li@nxp.com, robh+dt@kernel.org, mark.rutland@arm.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net 3/3] arm64: dts: ls1046ardb: set RGMII interfaces to RGMII_ID mode
Date: Sat, 14 Mar 2020 22:19:24 +0100 [thread overview]
Message-ID: <20200314211924.GC8622@lunn.ch> (raw)
In-Reply-To: <1584101065-3482-4-git-send-email-madalin.bucur@oss.nxp.com>
On Fri, Mar 13, 2020 at 02:04:25PM +0200, Madalin Bucur wrote:
> The correct setting for the RGMII ports on LS1046ARDB is to
> enable delay on both Rx and Tx so the interface mode used must
> be PHY_INTERFACE_MODE_RGMII_ID.
>
> Since commit 1b3047b5208a80 ("net: phy: realtek: add support for
> configuring the RX delay on RTL8211F") the Realtek 8211F PHY driver
> has control over the RGMII RX delay and it is disabling it for
> RGMII_TXID. The LS1046ARDB uses two such PHYs in RGMII_ID mode but
> in the device tree the mode was described as "rgmii".
>
> Changing the phy-connection-type to "rgmii-id" to address the issue.
>
> Fixes: 3fa395d2c48a ("arm64: dts: add LS1046A DPAA FMan nodes")
> Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew
prev parent reply other threads:[~2020-03-15 1:54 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-13 12:04 [PATCH net 0/3] QorIQ DPAA ARM RDBs need internal delay on RGMII Madalin Bucur
2020-03-13 12:04 ` [PATCH net 1/3] net: fsl/fman: treat all RGMII modes in memac_adjust_link() Madalin Bucur
2020-03-14 21:16 ` Andrew Lunn
2020-03-16 7:49 ` Madalin Bucur (OSS)
2020-03-16 8:39 ` Andrew Lunn
2020-03-16 9:00 ` Madalin Bucur (OSS)
2020-03-13 12:04 ` [PATCH net 2/3] arm64: dts: ls1043a-rdb: correct RGMII delay mode to rgmii-id Madalin Bucur
2020-03-14 21:18 ` Andrew Lunn
2020-03-13 12:04 ` [PATCH net 3/3] arm64: dts: ls1046ardb: set RGMII interfaces to RGMII_ID mode Madalin Bucur
2020-03-14 21:19 ` Andrew Lunn [this message]
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