Re: [PATCH 14/18] ARM: mvebu: add support for the Armada 395 SoC family
From: Gregory CLEMENT
Date: Thu Jul 28 2016 - 07:19:44 EST
Hi Rob,
On lun., juil. 25 2016, Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx> wrote:
> Hello,
>
> On Mon, 25 Jul 2016 10:12:43 -0500, Rob Herring wrote:
>
>> Yes, I get that, but that is only meaningful if you want to run an OS
>> that is only aware of 395 on a 398 SoC/board (though I'd guess the 390
>> compat is enough for that). Otherwise, that property is not really
>> meaningful as the additional nodes are enough to handle what is the
>> superset.
>>
>> I would agree both are fine if both chips are in fact the same die,
>> just fused or packaged differently. I've seen a lot of chips that are
>> supposed to be sub/supersets of each other, but have different errata
>> lists because they are different die.
>
> Unfortunately HW vendors are rarely willing to publicly indicate whether
> the different chips in their families are actually the same die fused
> differently, or really different dies.
So do you want that we keep both "marvell,armada398" and
"marvell,armada395" or do you xant we use only "marvell,armada398" ?
Thanks,
Gregory
>
> Thomas
> --
> Thomas Petazzoni, CTO, Free Electrons
> Embedded Linux, Kernel and Android engineering
> http://free-electrons.com
--
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com