From: Tony Lindgren <tony@atomide.com>
To: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Mugunthan V N <mugunthanvnm@ti.com>,
linux-omap@vger.kernel.org, Sekhar Nori <nsekhar@ti.com>,
netdev@vger.kernel.org
Subject: Re: [PATCH] ARM: dts: am57xx-beagle-x15: implement errata "Ethernet RGMII2 Limited to 10/100 Mbps"
Date: Thu, 12 Jan 2017 14:53:32 -0800 [thread overview]
Message-ID: <20170112225332.GR2630@atomide.com> (raw)
In-Reply-To: <20170112171429.8106-1-grygorii.strashko@ti.com>
* Grygorii Strashko <grygorii.strashko@ti.com> [170112 09:15]:
> According to errata i880 description the speed of Ethernet port 1 on AM572x
> SoCs rev 1.1 shuld be limited to 10/100Mbps, because RGMII2 Switching
> Characteristics are not compatible with 1000 Mbps operation [1].
> The issue is fixed with Rev 2.0 silicon.
>
> Hence, rework Beagle-X15 and Begale-X15-revb1 to use phy-handle instead of
> phy_id and apply corresponding limitation to the Ethernet Phy 1.
>
> [1] http://www.ti.com/lit/er/sprz429j/sprz429j.pdf
Applying into omap-for-v4.11/dt thanks.
Tony
prev parent reply other threads:[~2017-01-12 22:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-12 17:14 [PATCH] ARM: dts: am57xx-beagle-x15: implement errata "Ethernet RGMII2 Limited to 10/100 Mbps" Grygorii Strashko
2017-01-12 17:14 ` Grygorii Strashko
2017-01-12 22:53 ` Tony Lindgren [this message]
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