dt-bindings: watchdog: Add compatible for MediaTek MT8186

Add dt-binding documentation of watchdog for MediaTek MT8186 SoC.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20220301054405.25021-2-rex-bc.chen@mediatek.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

diff --git a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
index a97418c..762c62e 100644 (file)
--- a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
+++ b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
@@ -16,6 +16,7 @@ Required properties:
        "mediatek,mt7629-wdt", "mediatek,mt6589-wdt": for MT7629
        "mediatek,mt7986-wdt", "mediatek,mt6589-wdt": for MT7986
        "mediatek,mt8183-wdt": for MT8183
+       "mediatek,mt8186-wdt", "mediatek,mt6589-wdt": for MT8186
        "mediatek,mt8516-wdt", "mediatek,mt6589-wdt": for MT8516
        "mediatek,mt8192-wdt": for MT8192
        "mediatek,mt8195-wdt", "mediatek,mt6589-wdt": for MT8195