linux-kernel - Re: [v4,2/4] dt-binding: reset-controller: ti: add 'mediatek,infra-reset' to compatible

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Date:   Wed, 26 Aug 2020 19:09:43 +0800
From:   Crystal Guo <crystal.guo@...iatek.com>
To:     Rob Herring <robh@...nel.org>
CC:     "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        srv_heupstream <srv_heupstream@...iatek.com>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "s-anna@...com" <s-anna@...com>, "afd@...com" <afd@...com>,
        Seiya Wang (王迺君) 
        <seiya.wang@...iatek.com>,
        Stanley Chu (朱原陞) 
        <stanley.chu@...iatek.com>,
        Yingjoe Chen (陳英洲) 
        <Yingjoe.Chen@...iatek.com>,
        Fan Chen (陳凡) 
        <fan.chen@...iatek.com>,
        Yong Liang (梁勇) 
        <Yong.Liang@...iatek.com>
Subject: Re: [v4,2/4] dt-binding: reset-controller: ti: add
 'mediatek,infra-reset' to compatible

On Wed, 2020-08-26 at 03:02 +0800, Rob Herring wrote:
> On Mon, Aug 17, 2020 at 11:03:22AM +0800, Crystal Guo wrote:
> > The TI syscon reset controller provides a common reset management,
> > and is suitable for MTK SoCs. Add compatible 'mediatek,infra-reset',
> > which denotes to use ti reset-controller driver directly.
> > 
> > Signed-off-by: Crystal Guo <crystal.guo@...iatek.com>
> > ---
> >  Documentation/devicetree/bindings/reset/ti-syscon-reset.txt | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt b/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt
> > index ab041032339b..5a0e9365b51b 100644
> > --- a/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt
> > +++ b/Documentation/devicetree/bindings/reset/ti-syscon-reset.txt
> > @@ -25,6 +25,7 @@ Required properties:
> >  			    "ti,k2l-pscrst"
> >  			    "ti,k2hk-pscrst"
> >  			    "ti,syscon-reset"
> > +			    "mediatek,infra-reset", "ti,syscon-reset"
> 
> You need your own binding doc. If you can use the same driver then fine, 
> but that's a separate issue. There's also reset-simple driver if you 
> have just array of 32-bit registers with a bit per reset.
> 
> Don't repeat 'ti,reset-bits' either.

Do you mean I should add a Mediatek reset binding doc, although Mediatek
reuse the TI reset controller directly?

Best Regards
Crystal
> 
> >   - #reset-cells		: Should be 1. Please see the reset consumer node below
> >  			  for usage details
> >   - ti,reset-bits	: Contains the reset control register information
> > -- 
> > 2.18.0