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From: Yingjoe Chen <yingjoe.chen@mediatek.com>
To: Philipp Zabel <p.zabel@pengutronix.de>
Cc: devicetree@vger.kernel.org, yong.liang@mediatek.com,
	srv_heupstream@mediatek.com, seiya.wang@mediatek.com,
	linux-kernel@vger.kernel.org, fan.chen@mediatek.com,
	robh+dt@kernel.org, linux-mediatek@lists.infradead.org,
	matthias.bgg@gmail.com, Crystal Guo <crystal.guo@mediatek.com>,
	stanley.chu@mediatek.com, linux-arm-kernel@lists.infradead.org
Subject: Re: [v2,3/6] dt-binding: reset-controller: ti: add generic-reset to compatible
Date: Wed, 5 Aug 2020 11:08:33 +0800	[thread overview]
Message-ID: <1596596913.31794.5.camel@mtksdaap41> (raw)
In-Reply-To: <053da16ed682cc016b0a66a834fb58d4d9410dc2.camel@pengutronix.de>

On Tue, 2020-08-04 at 10:15 +0200, Philipp Zabel wrote:
> On Mon, 2020-08-03 at 14:15 +0800, Crystal Guo wrote:
> > The TI syscon reset controller provides a common reset management,
> > and should be suitable for other SOCs. Add compatible "generic-reset",
> > which denotes to use a common reset-controller driver.
> > 
> > Signed-off-by: Crystal Guo <crystal.guo@mediatek.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 d551161ae785..e36d3631eab2 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"
> > +			    "generic-reset", "ti,syscon-reset"
> >   - #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
> 
> My understanding is that it would be better to add a mtk specific
> compatible instead of adding this "generic-reset", especially since we
> can't guarantee this binding will be considered generic in the future.
> I think there is nothing wrong with specifying
> 	compatible = "mtk,your-compatible", "ti,syscon-reset";
> in your device tree if your hardware is indeed compatible with the
> specified "ti,syscon-reset" binding, but I may be wrong: Therefore,
> please add devicetree@vger.kernel.org to Cc: for binding changes.
> 

Hi Philipp,

This would work.
But having "ti" in mtk dts raise alarm for some people inside and
outside of MTK. It would save us some explanation if we could use a more
generic name.

Joe.C

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  reply	other threads:[~2020-08-05  3:20 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-03  6:15 [v2,0/6] introduce TI reset controller for MT8192 SoC Crystal Guo
2020-08-03  6:15 ` [v2, 1/6] dt-binding: reset-controller: ti: add assert-deassert-together property Crystal Guo
2020-08-03  6:15 ` [v2,2/6] dt-binding: reset-controller: ti: add update-force property Crystal Guo
2020-08-03  6:15 ` [v2, 3/6] dt-binding: reset-controller: ti: add generic-reset to compatible Crystal Guo
2020-08-04  8:15   ` [v2,3/6] " Philipp Zabel
2020-08-05  3:08     ` Yingjoe Chen [this message]
2020-08-03  6:15 ` [v2,4/6] reset-controller: ti: introduce a new reset handler Crystal Guo
2020-08-04  5:10   ` Stanley Chu
2020-08-04  7:16   ` Philipp Zabel
2020-08-03  6:15 ` [v2,5/6] reset-controller: ti: Introduce force-update method Crystal Guo
2020-08-04  4:15   ` Stanley Chu
2020-08-04  7:03   ` Philipp Zabel
2020-08-10  6:57     ` Crystal Guo
2020-09-02 23:05       ` Suman Anna
2020-08-05  3:14   ` Yingjoe Chen
2020-08-03  6:15 ` [v2,6/6] arm64: dts: mt8192: add infracfg_rst node Crystal Guo

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