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Re: [PATCH 14/18] ARM: mvebu: add support for the Armada 395 SoC family

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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.

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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[PATCH 00/18] ARM: mvebu: misc Armada 38x/39x DT and v7 defconfig improvements Grzegorz Jaszczyk <jaz@semihalf.com> - 2016-07-21 14:50 +0200
  [PATCH 10/18] ARM: mvebu: a39x: enable watchdog for all Armada-39x SoCs Grzegorz Jaszczyk <jaz@semihalf.com> - 2016-07-21 14:50 +0200
    Re: [PATCH 10/18] ARM: mvebu: a39x: enable watchdog for all Armada-39x SoCs Gregory CLEMENT <gregory.clement@free-electrons.com> - 2016-07-28 12:20 +0200
  [PATCH 03/18] ARM: mvebu: enable E1000E in mvebu_v7_defconfig Grzegorz Jaszczyk <jaz@semihalf.com> - 2016-07-21 14:50 +0200
  [PATCH 11/18] ARM: mvebu: a39x: add missing nodes describing GPIO's Grzegorz Jaszczyk <jaz@semihalf.com> - 2016-07-21 14:50 +0200
    Re: [PATCH 11/18] ARM: mvebu: a39x: add missing nodes describing GPIO's Gregory CLEMENT <gregory.clement@free-electrons.com> - 2016-07-28 12:30 +0200
  [PATCH 14/18] ARM: mvebu: add support for the Armada 395 SoC family Grzegorz Jaszczyk <jaz@semihalf.com> - 2016-07-21 14:50 +0200
    Re: [PATCH 14/18] ARM: mvebu: add support for the Armada 395 SoC  family Rob Herring <robh@kernel.org> - 2016-07-22 00:20 +0200
      Re: [PATCH 14/18] ARM: mvebu: add support for the Armada 395 SoC family Grzegorz Jaszczyk <jaz@semihalf.com> - 2016-07-22 11:20 +0200
        Re: [PATCH 14/18] ARM: mvebu: add support for the Armada 395 SoC family Rob Herring <robh@kernel.org> - 2016-07-25 15:50 +0200
          Re: [PATCH 14/18] ARM: mvebu: add support for the Armada 395 SoC  family Thomas Petazzoni <thomas.petazzoni@free-electrons.com> - 2016-07-25 16:00 +0200
            Re: [PATCH 14/18] ARM: mvebu: add support for the Armada 395 SoC family Rob Herring <robh@kernel.org> - 2016-07-25 17:20 +0200
              Re: [PATCH 14/18] ARM: mvebu: add support for the Armada 395 SoC  family Thomas Petazzoni <thomas.petazzoni@free-electrons.com> - 2016-07-25 20:30 +0200
                Re: [PATCH 14/18] ARM: mvebu: add support for the Armada 395 SoC family Gregory CLEMENT <gregory.clement@free-electrons.com> - 2016-07-28 13:20 +0200
                Re: [PATCH 14/18] ARM: mvebu: add support for the Armada 395 SoC family Rob Herring <robh@kernel.org> - 2016-07-28 18:10 +0200
  [PATCH 06/18] ARM: mvebu: a390: add missing compatibility string and add missing bracket Grzegorz Jaszczyk <jaz@semihalf.com> - 2016-07-21 14:50 +0200
    Re: [PATCH 06/18] ARM: mvebu: a390: add missing compatibility string and add missing bracket Gregory CLEMENT <gregory.clement@free-electrons.com> - 2016-07-27 18:20 +0200
  [PATCH 08/18] ARM: mvebu: a39x: Enable PMU, CA9 MPcore SoC Controller and Coherency fabric Grzegorz Jaszczyk <jaz@semihalf.com> - 2016-07-21 14:50 +0200
    Re: [PATCH 08/18] ARM: mvebu: a39x: Enable PMU, CA9 MPcore SoC Controller and Coherency fabric Gregory CLEMENT <gregory.clement@free-electrons.com> - 2016-07-28 12:00 +0200
  [PATCH 09/18] ARM: mvebu: a39x: enable the thermal sensor in Armada-39x SoCs Grzegorz Jaszczyk <jaz@semihalf.com> - 2016-07-21 14:50 +0200
    Re: [PATCH 09/18] ARM: mvebu: a39x: enable the thermal sensor in Armada-39x SoCs Gregory CLEMENT <gregory.clement@free-electrons.com> - 2016-07-28 12:00 +0200
  [PATCH 16/18] ARM: mvebu: a398-db: enable supported usb interfaces Grzegorz Jaszczyk <jaz@semihalf.com> - 2016-07-21 14:50 +0200
    Re: [PATCH 16/18] ARM: mvebu: a398-db: enable supported usb interfaces Gregory CLEMENT <gregory.clement@free-electrons.com> - 2016-07-28 15:00 +0200
  [PATCH 13/18] ARM: mvebu: a39x: enable rtc for all Armada-39x SoCs Grzegorz Jaszczyk <jaz@semihalf.com> - 2016-07-21 14:50 +0200
  Re: [PATCH 00/18] ARM: mvebu: misc Armada 38x/39x DT and v7  defconfig improvements Andrew Lunn <andrew@lunn.ch> - 2016-07-21 15:50 +0200
    Re: [PATCH 00/18] ARM: mvebu: misc Armada 38x/39x DT and v7 defconfig improvements Grzegorz Jaszczyk <jaz@semihalf.com> - 2016-07-22 10:00 +0200

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