[PATCH V3 5/5] ARM: bcm2708: instantiate console UART

Stephen Warren swarren at wwwdotorg.org
Wed Sep 12 21:15:55 EDT 2012

On 09/12/2012 04:45 AM, Arnd Bergmann wrote:
> On Wednesday 12 September 2012, Stephen Warren wrote:
>> From: Simon Arlott <simon at fire.lp0.eu>
>> This patch was extracted from git://github.com/lp0/linux.git branch
>> rpi-split as of 2012/09/08, and modified as follows:
>> * Modified UART DT node to use a unit-address to differentiate UART node
>>   names, rather than using different base names "uart0" and "uart1".
>>   Note that UART 1 (the Broadcom "mini UART") is not yet present, but
>>   I'm naming the DT node in anticipation that it will be added.
> Shouldn't the selection be done using an alias like this?
> 	aliases {
> 		serial0 = &/uart at 20201000;
> 	};

The "differentiate" was more "ensure that node names in DT are unique"
than anything to do with user-visible selection/identification.

I can certainly add the alias if you want, but I don't know what benefit
it will have, since I've never used aliases before.

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