linux-kernel - Re: [PATCH 4/4] dt-binding: mediatek: mt8192: update mtk-wdt document

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Date:   Fri, 24 Jul 2020 14:35:26 +0800
From:   Crystal Guo <crystal.guo@...iatek.com>
To:     Matthias Brugger <matthias.bgg@...il.com>
CC:     Rob Herring <robh@...nel.org>,
        Seiya Wang (王迺君) 
        <seiya.wang@...iatek.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        "linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-watchdog@...r.kernel.org" <linux-watchdog@...r.kernel.org>,
        srv_heupstream <srv_heupstream@...iatek.com>
Subject: Re: [PATCH 4/4] dt-binding: mediatek: mt8192: update mtk-wdt
 document

On Fri, 2020-07-24 at 06:02 +0800, Matthias Brugger wrote:
> 
> On 23/07/2020 23:29, Rob Herring wrote:
> > On Thu, Jul 23, 2020 at 05:07:31PM +0800, Seiya Wang wrote:
> >> From: Crystal Guo <crystal.guo@...iatek.com>
> >>
> >> update mtk-wdt document for MT8192 platform
> >>
> >> Signed-off-by: Crystal Guo <crystal.guo@...iatek.com>
> >> ---
> >>   Documentation/devicetree/bindings/watchdog/mtk-wdt.txt | 2 ++
> >>   1 file changed, 2 insertions(+)
> >>
> >> diff --git a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
> >> index 4dd36bd3f1ad..d760ca8a630e 100644
> >> --- a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
> >> +++ b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
> >> @@ -12,6 +12,8 @@ Required properties:
> >>   	"mediatek,mt7629-wdt", "mediatek,mt6589-wdt": for MT7629
> >>   	"mediatek,mt8183-wdt", "mediatek,mt6589-wdt": for MT8183
> >>   	"mediatek,mt8516-wdt", "mediatek,mt6589-wdt": for MT8516
> >> +	"mediatek,mt8192-wdt": for MT8192
> >> +
> > 
> > So, not compatible with "mediatek,mt6589-wdt"? Is so, perhaps summarize
> > what the differences are.
> > 
> 
> Hm, looks to me as if the binding description for mt2712 and mt8183 isn't 
> correct, as we have a OF data just as we have for mt8192 now. Could you fix this 
> in a separate patch?
> 
> Regards,
> Matthias
> 
> Besides watchdog, mt8192 toprgu module also provide sub-system software reset features.
> mt2712 and mt8183 are same as mt8192. But mt6589 not support sub-system software reset.
> 
> >>   
> >>   - reg : Specifies base physical address and size of the registers.
> >>   
> >> -- 
> >> 2.14.1