[PATCH v2 1/2] ARM: OMAP: board-4430sdp: MUX configuration for sys_nirq2

Tony Lindgren tony at atomide.com
Mon Jul 9 08:14:00 EDT 2012


* Peter Ujfalusi <peter.ujfalusi at ti.com> [120709 02:43]:
> On 07/06/2012 04:33 PM, Shilimkar, Santosh wrote:
> >> Since this is TWL6030 specific, it should rather be done in TWL code
> >> like I did for sys_nirq1:
> >>
> >>    http://marc.info/?l=linux-omap&m=134090312118873&w=2
> >>
> >> That would avoid having to do this in both board files.
> >>
> > Though the pin is TWL specific, it need not be same on
> > different board with different SOCs. Especially when you need to
> > set MUX mode etc. So doing from board file is still better
> > since TWL6030/40 can be connected to non OMAP4 devices
> > where the muxing can be different.
> > 
> > With current know boards with TWL6030/40, this is not
> > a strong requirement though.
> 
> There can be board which has twl6030 but does not have twl6040.
> The twl6040 is the recommended audio solution for OMAP4+ systems but it can be
> replaced by other codec on some boards.
> This is the reason I have put the mux configuration into the board files for
> sys_nirq2 (which is in these cases are used to handle the interrupt from twl6040).

OK I'll apply these into devel-board branch.

Tony



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