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SubjectRe: [PATCH v4 0/9] ARM: Initial support for Marvell Berlin SoCs
On 12/10/2013 02:40 AM, Olof Johansson wrote:
> On Sun, Dec 08, 2013 at 03:13:57PM +0100, Sebastian Hesselbarth wrote:
>> Hopefully last round of initial support patches for Marvell Berlin SoCs
>> before I can send the final PR for v3.14.
>>
>> Compared to last version sent, this patch set has now a Reviewed-by from
>> Thomas Gleixner for the irqchip driver (Thanks for that!). Also, l2x0
>> compatibles can now be reordered alphabetically instead of by derivate
>> thanks to [1].
>>
>> Marvell Docs have been updated to not mention Armada 1000 which has been
>> discontinued by Marvell and vanished from their website. The dtsi/dts file
>> have been renamed to vendor,name.dts[i], which is the preferred new naming
>> scheme.
>>
>> Open issues are the never ending dw_apb_timers_of story, which I ignore
>> for now and hope they get in someday. Also, TWD SMP dependency and
>> early l2x0_of_init will be addressed at a later date. At the current
>> feature set of Berlin SoC, I don't see why the above issues should further
>> stall this patches.
>>
>> I guess, all patches can go through ARM SoC tree, except Tauros3 patch
>> which I should submit to Russell's patch tracker?
>
> Yep, sounds good.
>
> I took a cursory glance at the patchset and it looks sane to me. I didn't
> review in detail though.
>
> One open question: Why don't you just add this to mach-mvebu? I thought
> all modern Marvell platforms were going to converge on that eventually
> anyway, and it's easy to add it now that it's early and simple..

Olof,

I started with mach-mvebu in the first RFC, but Berlin SoCs are from a
different business unit at Marvell and are more PXA compatible than
Orion/Kirkwood/Armada 370/XP. Most notably, they lack the "mbus" and
IP is either from PXA/MMP or Synopsys DW. Thomas Petazzoni and also
Jisheng Zhang from Marvell suggested to not put it into mvebu but
have a different mach folder instead.

> Also, see below:
>
>> Sebastian Hesselbarth (9):
>> irqchip: add DesignWare APB ICTL interrupt controller
>> MAINTAINERS: add ARM Marvell Berlin SoC
>> ARM: l2x0: add Marvell Tauros3 support
>> ARM: add Marvell Berlin SoC familiy to Marvell doc
>> ARM: add Marvell Berlin SoCs to multi_v7_defconfig
>> ARM: add Marvell Berlin UART0 lowlevel debug
>> ARM: add Armada 1500 and Sony NSZ-GS7 device tree files
>> ARM: add Armada 1500-mini and Chromecast device tree files
>> ARM: add initial support for Marvell Berlin SoCs
>>
>> Documentation/arm/Marvell/README | 24 +++
>> Documentation/devicetree/bindings/arm/l2cc.txt | 23 ++-
>> .../devicetree/bindings/arm/marvell,berlin.txt | 24 +++
>> .../interrupt-controller/snps,dw-apb-ictl.txt | 32 +++
>> MAINTAINERS | 6 +
>> arch/arm/Kconfig | 2 +
>> arch/arm/Kconfig.debug | 10 +
>> arch/arm/Makefile | 1 +
>> arch/arm/boot/dts/Makefile | 3 +
>> arch/arm/boot/dts/google,chromecast.dts | 29 +++
>> arch/arm/boot/dts/marvell,berlin2.dtsi | 227 +++++++++++++++++++++
>> arch/arm/boot/dts/marvell,berlin2cd.dtsi | 210 +++++++++++++++++++
>> arch/arm/boot/dts/sony,nsz-gs7.dts | 29 +++
>
> We have had a long-standing standard of naming the dts files
> <family>-<board>.dts (or <soc_vendor>-<board>.dts). Let's continue
> sticking to that since it helps keep the namespace somewhat segmented per
> platform in arch/arm/boot/dts.

Also, here: I had the naming that way until v3, then Kumar suggested to
use prefixed naming scheme. Maybe I got it wrong?

Are you suggesting to name the above back to:
berlin2[cd].dtsi,
berlin2-nsz-gs7.dts, and
berlin2cd-chromecast.dts?

Sebastian


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