Re: [PATCH] Documentation: dt: bindings: TI WiLink modules

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On Tue, 2013-06-25 at 14:12 +0300, Felipe Balbi wrote:
> On Tue, Jun 25, 2013 at 11:35:30AM +0300, Luciano Coelho wrote:
> > +- tcxoclock: the internal WLAN TCXO clock frequency (required for
> > +  WiLink7 not used for WiLink6 and WiLink8).  Must be one of the
> > +  following:
> > +	0 = 19.200 MHz
> > +	1 = 26.000 MHz
> > +	2 = 38.400 MHz
> > +	3 = 52.000 MHz
> > +	4 = 16.368 MHz
> > +	5 = 32.736 MHz
> > +	6 = 16.800 MHz
> > +	7 = 33.600 MHz
> 
> DTS files are pre-processed, so you could add defines in a header and
> share the header between DTS and driver. Could help you having:
> 
> tcxoclock = WILINK_19_200MHz;
> 
> instead of
> 
> tcxoclock = 0;

I don't see any .dts file really doing this.  There are some imx*.dtsi
files that include imx*.h files, but I don't see these headers being
included in any source code file.

In fact, we already have all these values defined in
include/linux/wl12xx.h, so it could be nice to reuse.  But the
cross-directory includes would look "funny".  And I think it's a bit
overkill.

These values are actually used by the firmware itself, not only the
driver, so they are also platform independent and not related to the OS.

--
Luca.

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