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author | Allen-KH Cheng <allen-kh.cheng@mediatek.com> | 2023-01-17 04:40:22 +0300 |
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committer | Wim Van Sebroeck <wim@linux-watchdog.org> | 2023-02-12 17:32:45 +0300 |
commit | 9b30eac1b35a448081165cd906daf939d8750bfb (patch) | |
tree | b7d5fea3b9453c710a701cb4747d83317a2145f6 /Documentation/devicetree/bindings/watchdog | |
parent | d2d11f342b179f1894a901f143ec7c008caba43e (diff) | |
download | linux-9b30eac1b35a448081165cd906daf939d8750bfb.tar.xz |
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: 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>
Link: https://lore.kernel.org/r/20230117014023.2993-2-allen-kh.cheng@mediatek.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Diffstat (limited to 'Documentation/devicetree/bindings/watchdog')
-rw-r--r-- | Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml | 6 |
1 files changed, 6 insertions, 0 deletions
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 |