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@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
.../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
--
2.18.0
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@mediatek.com> > Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> > Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> > --- > .../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 >
On 17/01/2023 02:40, 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@mediatek.com> > Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Best regards, Krzysztof
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