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

[Shawn Guo]

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>

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