[PATCH v5 0/8] Add support MT6316/6363/MT6373 PMICs regulators and MFD

[Igor Belwon]

On Tue Sep 30, 2025 at 11:30 AM CEST, AngeloGioacchino Del Regno wrote:
> Il 29/09/25 15:07, Igor Belwon ha scritto:
>> On Tue Jul 15, 2025 at 4:02 PM CEST, AngeloGioacchino Del Regno wrote:
>>> This series adds support for three new MediaTek PMICs: MT6316, MT6363
>>> and MT6373 and their variants - used in board designs featuring the
>>> MediaTek MT8196 Chromebook SoC, or the MT6991 Dimensity 9400 Smartphone
>>> SoC.
>>>
>> 
>> Hi Angelo,
>> 
>> Apologies for asking, but is there any future for this series? I
>> understand you as a MediaTek maintainer have a lot of work on your head -
>> however as part of my MT6878 upstreaming work, getting this series merged
>> would really be beneficial.
>> 
>> I only have MT6363 (well, also 6685, 6319 and 6369, but expect a
>> seperate patchset for these) on my platform, so I'm unable to pick up
>> the work for other PMICs anyway.
>> 
>> Thanks and regards,
>> Igor
>
> No worries about asking - that's totally legit!
>
> Happy to see that you're going serious with the upstreaming of the Dimensity 7300!
> I admit I'd be proud to finally see some modern MediaTek smartphone upstream, as
> there is practically none (well, apart from some old-old-old stuff that I added
> and - ugh - only partially) and I don't think that those deserve to become e-waste
> "just like that".
>

Thanks for responding.
My upstreaming work is fortunately for a much modern device - the 2024
CMF Phone 1. 

> Those regulators are required for the MediaTek Kompanio Ultra (MT8196) SoC, and yes
> I plan to respin this series as soon as possible.
>
> I should also be trying to upstream the MT6685 RTC in the future (not clkbuf, most
> probably, as that doesn't seem to be actually needed for anything meaningful).>

Thanks!

> As for MT6319 and MT6369, I currently have no plans for upstreaming those, at least
> for now.
>

No worries at all - leave some for me! :)

> Besides, does the Dimensity 7300 also use SPMI 2.0?
> In case you missed it: 
> https://lore.kernel.org/all/c31bc281-94d5-40b6-a9bd-76b41769f6e5@collabora.com
>

Yep, it's SPMI2 from what I remember.
Thanks, I'll try to bring up the PMICs soon using these patches.

> Also - if this can help you in any way, we (as Collabora) are performing all of the
> upstreaming work publicly: the commits that aren't "exactly ready yet" (but working
> anyway) are of course available to everyone... and also some WIP things.
>
> This includes, for example, the SCMI TinySYS Protocol (which probably D7300 also
> uses) and DVFSRC v4 code, other than devicetrees that are close to upstream for the
> MT8196 platform - of which, some new style nodes should apply to your SoC (not in
> a 1:1 copy-paste fashion, but you get the point, I guess).
>
> Check it out:
> https://gitlab.collabora.com/mediatek/aiot/linux/-/commits/mediatek-dev
>
> Beware that we have multiple branches, and some may be more updated than others.
>
> ...and we also have some documentation that could help:
> https://gitlab.collabora.com/mediatek/aiot/wiki/-/blob/main/README.md
>

Thanks a ton, I'll definitely be taking a look.

>
> Cheers,
> Angelo

Regards,
Igor