From: jacmet@sunsite.dk (Peter Korsgaard)
To: linux-arm-kernel@lists.infradead.org
Subject: ARM: ETH PHY Micrel: KSZ8051MNL Driver?
Date: Thu, 24 May 2012 09:10:54 +0200 [thread overview]
Message-ID: <878vgioxz5.fsf@macbook.be.48ers.dk> (raw)
In-Reply-To: <20120524033848.GA9851@sapphire.tkos.co.il> (Baruch Siach's message of "Thu, 24 May 2012 06:38:48 +0300")
>>>>> "Baruch" == Baruch Siach <baruch@tkos.co.il> writes:
Hi,
>> I can give the micrel driver a try if you want though.
Baruch> In one project that were using the KSZ8051MNL PHY, we needed
Baruch> the micrel phy driver to set 50MHz RMII clock. This PHY
Baruch> defaults to 25MHz MII, and there is no way to change that with
Baruch> pull-up resistors. See commit d606ef3f (phy/micrel: add ability
Baruch> to support 50MHz RMII clock on KZS8051RNL).
Yes, that's indeed quite unfortunate. For this project I write the phy
register in the bootloader as we need it there anyway, but for another
(am335x based) project it means we cannot used the ROM support for
network boot.
Is 50MHz is needed, the 8021/8031 are probably a better choice.
--
Bye, Peter Korsgaard
prev parent reply other threads:[~2012-05-24 7:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-22 21:08 ARM: ETH PHY Micrel: KSZ8051MNL Driver? Shmuel Yitzhaki
2012-05-23 20:14 ` Peter Korsgaard
2012-05-24 3:38 ` Baruch Siach
2012-05-24 7:10 ` Peter Korsgaard [this message]
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