On Apr 22, Arnd Bergmann wrote:
> On Friday 18 April 2014, Ley Foon Tan wrote:
> 
> Are these all synthesized devices, or is there also some hardwired
> logic? It often makes sense to split out the reusable parts into
> a separate .dtsi file that gets included by every implementation.
> 

In case you are not aware of this, devicetree files for Nios-II
SoCs are produced through an automated tool calle sopc2dts:

http://www.alterawiki.com/wiki/Sopc2dts
http://git.rocketboards.org/sopc-tools.git/

You feed it with a sopcinfo file (AFAIK, Altera's specific format) and
you obtain a full-fledged devicetree source file. Usually it works
out-of-the-box, although I like to go over it and fix ranges, whitespaces,
and do some cleaning.

So I'm wondering -given we have such superb tool- why would we want to
include the devicetree source's in the kernel? 

First, we'll be only supporting a *specific* configuration. Second, the
dts is trivially easy to obtain.

The binding documentation should be enough specification, and there's no
need for further reference or examples.
-- 
Ezequiel GarcĂ­a, Free Electrons
Embedded Linux, Kernel and Android Engineering
http://free-electrons.com
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