standard property to convey device dma address width?

[Kumar Gala]

On Aug 17, 2010, at 4:03 PM, Scott Wood wrote:

> On Tue, 17 Aug 2010 15:55:04 -0500
> Kumar Gala <galak at kernel.crashing.org> wrote:
> 
>> As I said to Stuart.  On the Freescale SOCs we have different device
>> blocks w/varying dma address capabilities.  Some are limited to 32-bits
>> some are capable of 36-bits on the same SOC.
> 
> Is this something that the driver would not know about, just based on
> the compatible that it is matching?
> 
> -Scott

There is some variation here that is reasonable that the same compatible could have a different width for different SOC integration.

- k