From: dirk.behme@de•bosch.com (Dirk Behme)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH] spi/imx: set the inactive state of the clock according to the clock polarity
Date: Mon, 24 Sep 2012 08:34:27 +0200 [thread overview]
Message-ID: <505FFEF3.3000605@de.bosch.com> (raw)
In-Reply-To: <20120924050655.GA27291@S2101-09.ap.freescale.net>
Hi Mark,
On 24.09.2012 07:06, Shawn Guo wrote:
> On Fri, Aug 31, 2012 at 10:55:11AM +0200, Dirk Behme wrote:
>> From: Knut Wohlrab <knut.wohlrab@de•bosch.com>
>>
>> There are SPI devices which need a SPI clock with active low polarity and
>> high inactive state.
>>
>> Add the setting of the inactive state ECSPIx_CONFIGREG:SCLK CTL
>> according to the clock polarity ECSPIx_CONFIGREG:SCLK POL:
>>
>> DT without "spi-cpol" = 0 = clock active high polarity = inactive state low
>> DT with "spi-cpol" = 1 = clock active low polarity = inactive state high
>>
>> Signed-off-by: Knut Wohlrab <knut.wohlrab@de•bosch.com>
Signed-off-by: Dirk Behme <dirk.behme@de•bosch.com>
> Acked-by: Shawn Guo <shawn.guo@linaro•org>
Being not so familiar with the flow of SPI patches, I was told that you
are taking care of spi patches recently?
Do you like to have a look to this patch?
Many thanks and best regards
Dirk
next prev parent reply other threads:[~2012-09-24 6:34 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-31 8:55 [PATCH] spi/imx: set the inactive state of the clock according to the clock polarity Dirk Behme
2012-08-31 2:35 ` Shawn Guo
2012-09-21 7:36 ` Dirk Behme
2012-09-21 7:54 ` Uwe Kleine-König
2012-09-22 6:10 ` Dirk Behme
2012-09-22 13:44 ` Fabio Estevam
2012-09-24 5:06 ` Shawn Guo
2012-09-24 6:34 ` Dirk Behme [this message]
2012-09-24 10:02 ` Mark Brown
2012-09-24 11:31 ` Dirk Behme
2012-09-25 11:08 ` Mark Brown
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