Re[2]: [PATCH] ARM: dts: imx27 phyCARD-S remove wrong I2C RTC

Alexander Shiyan shc_work at mail.ru
Sun Jul 7 06:31:41 EDT 2013


> On Sat, Jul 06, 2013 at 12:51:58PM +0400, Alexander Shiyan wrote:
> > > Fixup of commit 7874d595b78e431f0f661d2fe47625649308a52e
> > > "ARM: dts: Add device tree support for phycard pca100".
> > > 
> > > Remove wrong I2C RTC node.
> > > 
> > > Signed-off-by: Markus Pargmann <mpa at pengutronix.de>
> > > ---
> > > 
> > > Thanks, Alexander, you are right. I2C2 has no RTC.
> > ...
> > 
> > There are a couple of comments on this file.
> > 
> > I think that the OWIRE should be moved to the RDK.
> 
> I moved OWIRE and i2c1 to RDK. Both are not used on the SOM.
> 
> > ioexpander must contain "gpio-controller" at least, and for use it further,
> > it is necessary to define the label for this node.
> 
> I checked all I2C devices in the board schematics. There is actually no
> ioexpander. I don't know why it was added. I will send some I2C patches
> later.

Perhaps the chip is mounted on the camera module.
A similar IC is exist on PCM-970 camera addon device.
If so, the device should also be moved to RDK.

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