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[v3,1/2] dt-bindings: watchdog: mtk-wdt: Add reset-by-toprgu support

Message ID 20230117014023.2993-2-allen-kh.cheng@mediatek.com
State New
Headers show
Series mtk-wdt: Add reset-by-toprgu support | expand

Commit Message

Allen-KH Cheng Jan. 17, 2023, 1:40 a.m. UTC 
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 mbox series

Patch

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