On Tue, Jan 17, 2023 at 09:40:22AM +0800, Allen-KH Cheng wrote: > In some applications, the mtk-wdt requires the TOPRGU (Top Reset > Generation Unit) to reset timer after system resets. Add optional > mediatek,reset-by-toprgu property to enable it. > > Signed-off-by: Allen-KH Cheng <allen-kh.cheng@xxxxxxxxxxxx> > Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> > Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx> > --- > .../devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml b/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml > index b3605608410c..55b34461df1b 100644 > --- a/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml > +++ b/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml > @@ -52,6 +52,12 @@ properties: > description: Disable sending output reset signal > type: boolean > > + mediatek,reset-by-toprgu: > + description: The Top Reset Generation Unit (TOPRGU) generates reset signals > + and distributes them to each IP. If present, the watchdog timer will be > + reset by TOPRGU once system resets. > + type: boolean > + > '#reset-cells': > const: 1 >