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

[Kevin Hilman]

Peter Ujfalusi <peter.ujfalusi at ti.com> writes:

> 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, sounds right.  Thanks for the clarification.

Kevin