Printing device tree on running system

[Jon Smirl]

On 9/20/07, Scott Wood <scottwood at freescale.com> wrote:
> On Thu, Sep 20, 2007 at 11:55:10AM -0400, Jon Smirl wrote:
> > Is there a command for printing the device tree on a running system? I
> > want to see what changes the various device drivers made to the DTC I
> > started with.
>
> It's exported in /proc/device-tree, if support is built into the kernel.

That worked, didn't know the option existed.

>
> It might be interesting to make dtc support turning that into a dts...

That would be useful, you could do a diff and see how the tree was altered.

The case I just looked at was old code manually building entries for
i2c devices in the tree, but with an updated dts the devices are
already in the tree which explains the error I got about conflicting
device nodes.


>
> -Scott
>


-- 
Jon Smirl
jonsmirl at gmail.com