Configure standalone GPIO in device tree?

[Rob Herring]

On 06/11/2012 08:56 AM, Subodh Nijsure wrote:
> Hello,
> 
> I am working with a hardware that has couple of GPIOs that are not tied
> to any specific device one to indicate board status, other to indicate
> presence of this hardware to some other 'independent' hardware.
> 
> I have been going through some of the device tree files and I haven't
> come across way to represent a GPIO independent of a specific device, is
> it possible to do so using DT? How would I specify such a GPIO?
> 
> I am working on MX28 (MXS for linux) based platform but if there are
> some other platforms already doing that would appreciate pointer to that
> dt file.

How do you program that gpio line? It has to be controlled from somewhere.

Rob