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

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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).

-- 
Péter


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