Commit 9b30eac1 authored by Allen-KH Cheng's avatar Allen-KH Cheng Committed by Wim Van Sebroeck
Browse files

dt-bindings: watchdog: mtk-wdt: Add reset-by-toprgu support 



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: default avatarAllen-KH Cheng <allen-kh.cheng@mediatek.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230117014023.2993-2-allen-kh.cheng@mediatek.com


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarWim Van Sebroeck <wim@linux-watchdog.org>
parent d2d11f34

Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml

+6 −0
Original line number Diff line number Diff line
@@ -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