QUERY: How to handle SOC Configuration (Peripheral Multiplexing) in linux

Bill Gatliff bgat at billgatliff.com
Mon Mar 15 14:58:44 EDT 2010


Tony Lindgren wrote:
> * Mark Brown <broonie at opensource.wolfsonmicro.com> [100315 10:29]:
>   
>> That does depend on the SoC, at least for the pin muxing - with some
>> SoCs there's a lot of options for where the signals are brought out so
>> the pin mux configuration really does need to be board specific.
>>     
>
> Additionally the muxing needs to be done dynamically in some cases.
>
> For example, the GPIO pins need to be dynamically remuxed for the PM
> idle modes on omaps.
>   

It's times like this I recall just how deliciously simple the at91 chips
are. :)


b.g.

-- 
Bill Gatliff
Embedded systems training and consulting
http://billgatliff.com
bgat at billgatliff.com




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