[PATCHv5] omap3: Add basic support for 720MHz part

[laurent.pinchart@ideasonboard.com (Laurent Pinchart)]

Hi all,

On Friday 22 June 2012 11:33:51 Laurent Pinchart wrote:
> On Thursday 10 February 2011 08:45:00 Kevin Hilman wrote:
> > Sanjeev Premi <premi@ti.com> writes:
> > > This patch adds support for speed enhanced variant of OMAP35x
> > > processors. These parts allow ARM and IVA running at 720MHz
> > > and 520MHz respectively.
> > > 
> > > These parts can be detected at runtime by reading contents of
> > > PRODID.SKUID[3:0] at 0x4830A20C [1].
> > > 
> > > This patch specifically does following:
> > >  * Add new OPP to omap34xx_opp_def_list[] - disabled by default.
> > >  * Detect devices capable of running at new OPP.
> > >  * Enable new OPP only if device supports it.
> > >  * Check for presence of IVA before attempting to enable the
> > >  
> > >    corresponding OPP.
> > >   
> > >   [1] http://focus.ti.com/lit/ug/spruff1d/spruff1d.pdf
> > > 
> > > It appears from discussions (on this patch) that a variant of
> > > OMAP3430 supports this OPP but lacks runtime detection. This
> > > 
> > > OPP can be enabled for these device by either:
> > >  1) Setting the bit corresponding to OMAP3_HAS_720MHZ
> > >  
> > >     in 'omap3_features'. (Refer changes to id.c)
> > >  
> > >  2) Removing check for omap3_has_720mhz() before enabling
> > >  
> > >     the OPP. (Refer changes to opp3xxx_data.c)
> > >  
> > >  3) Calling opp_enable() for 720MHz/VDD1 and 520MHz/VDD2 in
> > >  
> > >     the board file. (Refer changes to opp3xxx_data.c).
> > >     This should, ideally, be done before omap3_opp_init() is
> > >     called during device_initcall().
> > > 
> > > CAUTION: This should be done for identified parts only.
> > > 
> > >          Else, the device could be damaged permanently.
> > > 
> > > Signed-off-by: Sanjeev Premi <premi@ti.com>
> > > Reviewed-by: G, Manjunath Kondaiah <manjugk@ti.com>
> > 
> > Acked-by: Kevin Hilman <khilman@ti.com>
> 
> This patch seems to never have made it upstream. Is there a reason for that
> ?

Ping ?

-- 
Regards,

Laurent Pinchart