From: lauri.hintsala@bluegiga.com (Lauri Hintsala)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] clk: mxs: imx28: decrease the frequency of ref_io1 for SSP2 and SSP3
Date: Wed, 04 Jul 2012 17:02:30 +0300 [thread overview]
Message-ID: <4FF44CF6.90805@bluegiga.com> (raw)
In-Reply-To: <20120704133554.GB2595@S2101-09.ap.freescale.net>
On 07/04/2012 04:35 PM, Shawn Guo wrote:
> On Wed, Jul 04, 2012 at 01:49:54PM +0300, Lauri Hintsala wrote:
>> SSP0 and SSP1 use ref_io0 which has decreased frequency. Expand
>> the frequency fix for ref_io1 to get SSP2 and SSP3 to work.
>>
> The patch looks okay. Just to confirm that you are running SSP2&SSP3
> into the same frequency problem that we had with SSP0&SSP1? I never
> got a board to verify that for SSP2&SSP3.
SDIO device connected to SSP2 is not detect without this change. I don't
know what is the history of ref_io0 frequency change but the same change
is needed for ref_io1 to get SSP2 to work on our imx28 based module.
Regards,
Lauri
next prev parent reply other threads:[~2012-07-04 14:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-04 10:49 [PATCH] clk: mxs: imx28: decrease the frequency of ref_io1 for SSP2 and SSP3 Lauri Hintsala
2012-07-04 13:35 ` Shawn Guo
2012-07-04 14:02 ` Lauri Hintsala [this message]
2012-07-04 16:23 ` Marek Vasut
2012-07-04 16:39 ` Fabio Estevam
2012-07-05 3:06 ` Shawn Guo
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