[PATCH 00/10] arm64 support for Milk-V Duo Module 01 EVB

[Inochi Amaoto]

On Tue, Feb 11, 2025 at 08:37:01PM +0100, Alexander Sverdlin wrote:
> Hi Inochi!
> 
> On Mon, 2025-02-10 at 21:55 +0100, Alexander Sverdlin wrote:
> > > > It would probably make sense that the whole series would go into SOC tree,
> > > > even though technically nothing prevents the reboot/reset driver to come
> > > > in PM/reset tree. If everything would come together, `reboot` command would
> > > > work out of the box.
> > > > 
> > > > [1] https://milkv.io/docs/duo/getting-started/duo-module-01
> > > > [2] https://github.com/milkv-duo/duo-buildroot-sdk-v2/releases/
> > > > [3] https://github.com/sophgo/sophgo-doc/releases/download/sg2000-trm-v1.01/sg2000_trm_en.pdf
> > > > 
> > > 
> > > This reboot implentment across the RTC and 8051 domain, which is
> > > still a big problem to be upstreamed. This should be designed 
> > 
> > Now I've got it. The problem is not in the reboot procedure, but
> > rather how to model this thing in the DT, because of all these
> > unrelated functions brought into two HW address spaces...
> > 
> > > carefully and needs further discussion. Adding these two syscon
> > > compatiable may be not a good idea and cause some problem. I invite
> > > Yixun to this talk and he may give some useful suggestions.
> > > 
> > > At last, I prefer this goes to an separate patch series, and
> > > implement with rtc device.
> 
> Thanks for your hints!
> I've completely missed the RTC driver in progress [1].
> I will provide a patch registering the reboot handler on top of the driver
> as soon as it's accepted.
> 
> [1] https://patchwork.ozlabs.org/project/rtc-linux/patch/20240428060848.706573-3-qiujingbao.dlmu@gmail.com/
> 

As far as I know the RTC patch is no longer maintained. Maybe you can
pick it up?
The patch states can be found on:
https://github.com/sophgo/linux/wiki

Regards,
Inochi