linux-kernel - Re: [PATCH v3 1/3] dt-bindings: reset: Document th1520 reset control

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Date:   Thu, 30 Nov 2023 15:37:12 +0000
From:   Conor Dooley <conor@...nel.org>
To:     Xi Ruoyao <xry111@...111.site>
Cc:     Kwanghoon Son <k.son@...sung.com>, p.zabel@...gutronix.de,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, jszhang@...nel.org, guoren@...nel.org,
        wefu@...hat.com, paul.walmsley@...ive.com, palmer@...belt.com,
        aou@...s.berkeley.edu, inki.dae@...sung.com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v3 1/3] dt-bindings: reset: Document th1520 reset control

On Thu, Nov 30, 2023 at 12:42:09AM +0800, Xi Ruoyao wrote:
> On Tue, 2023-09-19 at 09:47 +0100, Conor Dooley wrote:
> > Guo,
> > 
> > On Tue, Sep 19, 2023 at 02:08:32PM +0900, Kwanghoon Son wrote:
> > > > > > +      - const: thead,th1520-reset
> > > > > > +      - const: syscon
> > > > > 
> > > > > iDumb question perhaps, but why is this a syscon?
> > > > 
> > > > This is good point.
> > > > In fact, I took it from the vendor kernel, and I tried to keep it as same as I could.
> > > > Vendor also followed drivers/reset/reset-imx7.c
> > > > As Rob said, if don't need it, I'll change it.
> > 
> > > I have investigated vendor kernels, but it is still not sure reset information.
> > > I thought this is about sys_reg, but without datasheet, can't tell.
> > > Therefore, should be stopped patch for a while until knows better comes out.
> > 
> > Is there documentation in English you can provide to these people that
> > are trying to add support for your product?
> 
> It can be downloaded from
> https://dl.sipeed.com/shareURL/LICHEE/licheepi4a/09_Doc now.  Click on
> "TH1520 User Manual.zip" and enter a captcha.  The doc about resetting
> is in chapter 5 of "TH1520 System User Manual.pdf".

Thanks Xi! Pity there was no response from the vendor to this for
months :(

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