[PATCH 1/2] dt-bindings: watchdog: mtk-wdt: Add reset-by-toprgu support

Allen-KH Cheng (程冠勳) Allen-KH.Cheng at mediatek.com
Sun Jan 8 23:56:10 PST 2023


Hi Krzysztof,

On Fri, 2023-01-06 at 13:30 +0100, Krzysztof Kozlowski wrote:
> On 06/01/2023 12:53, Allen-KH Cheng wrote:
> > In some applications, the mtk-wdt requires the toprgu (TOP Reset
> > Generation Unit) to reset counter after wdt resets. Add optional
> > mediatek,reset-by-toprgu property to enable it.
> > 
> > Signed-off-by: Allen-KH Cheng <allen-kh.cheng at mediatek.com>
> > ---
> >  .../devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml        | 4
> > ++++
> >  1 file changed, 4 insertions(+)
> > 
> > diff --git
> > a/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml
> > b/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml
> > index b3605608410c..bf06dcd0c12c 100644
> > --- a/Documentation/devicetree/bindings/watchdog/mediatek,mtk-
> > wdt.yaml
> > +++ b/Documentation/devicetree/bindings/watchdog/mediatek,mtk-
> > wdt.yaml
> > @@ -52,6 +52,10 @@ properties:
> >      description: Disable sending output reset signal
> >      type: boolean
> >  
> > +  mediatek,reset-by-toprgu:
> > +    description: Reset counter by toprgu
> 
> Do not copy the property name in description but actually describe
> it.
> 
> Also "toprgu" is a bit cryptic.
> 
> Best regards,
> Krzysztof
> 

Sorry for being unclear.

We name toprgu for "TOP Reset Generation Unit" in the mtk SoC, which is
used to reset the system.

mediatek,reset-by-toprgu:
   description: If present, means the watchdog timer will reset by
toprgu after system resets.

What do you think?



Thanks,
Allen


More information about the Linux-mediatek mailing list