[PATCH] spi/imx: set the inactive state of the clock according to the clock polarity

Dirk Behme dirk.behme at de.bosch.com
Mon Sep 24 02:34:27 EDT 2012


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 at 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 at de.bosch.com>

Signed-off-by: Dirk Behme <dirk.behme at de.bosch.com>

> Acked-by: Shawn Guo <shawn.guo at 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



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