diff options
Diffstat (limited to 'Documentation/devicetree/bindings/watchdog/mtk-wdt.txt')
-rw-r--r-- | Documentation/devicetree/bindings/watchdog/mtk-wdt.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt index e36ba60de829..a4e31ce96e0e 100644 --- a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt @@ -1,5 +1,8 @@ Mediatek SoCs Watchdog timer +The watchdog supports a pre-timeout interrupt that fires timeout-sec/2 +before the expiry. + Required properties: - compatible should contain: @@ -10,13 +13,16 @@ Required properties: "mediatek,mt7622-wdt", "mediatek,mt6589-wdt": for MT7622 "mediatek,mt7623-wdt", "mediatek,mt6589-wdt": for MT7623 "mediatek,mt7629-wdt", "mediatek,mt6589-wdt": for MT7629 + "mediatek,mt7986-wdt", "mediatek,mt6589-wdt": for MT7986 "mediatek,mt8183-wdt": for MT8183 "mediatek,mt8516-wdt", "mediatek,mt6589-wdt": for MT8516 "mediatek,mt8192-wdt": for MT8192 + "mediatek,mt8195-wdt", "mediatek,mt6589-wdt": for MT8195 - reg : Specifies base physical address and size of the registers. Optional properties: +- interrupts: Watchdog pre-timeout (bark) interrupt. - timeout-sec: contains the watchdog timeout in seconds. - #reset-cells: Should be 1. @@ -26,6 +32,7 @@ watchdog: watchdog@10007000 { compatible = "mediatek,mt8183-wdt", "mediatek,mt6589-wdt"; reg = <0 0x10007000 0 0x100>; + interrupts = <GIC_SPI 139 IRQ_TYPE_NONE>; timeout-sec = <10>; #reset-cells = <1>; }; |