diff options
Diffstat (limited to 'sys/contrib/device-tree/Bindings/watchdog/mtk-wdt.txt')
| -rw-r--r-- | sys/contrib/device-tree/Bindings/watchdog/mtk-wdt.txt | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sys/contrib/device-tree/Bindings/watchdog/mtk-wdt.txt b/sys/contrib/device-tree/Bindings/watchdog/mtk-wdt.txt index e36ba60de829..762c62e428ef 100644 --- a/sys/contrib/device-tree/Bindings/watchdog/mtk-wdt.txt +++ b/sys/contrib/device-tree/Bindings/watchdog/mtk-wdt.txt @@ -1,22 +1,31 @@ Mediatek SoCs Watchdog timer +The watchdog supports a pre-timeout interrupt that fires timeout-sec/2 +before the expiry. + Required properties: - compatible should contain: "mediatek,mt2701-wdt", "mediatek,mt6589-wdt": for MT2701 "mediatek,mt2712-wdt": for MT2712 + "mediatek,mt6582-wdt", "mediatek,mt6589-wdt": for MT6582 "mediatek,mt6589-wdt": for MT6589 "mediatek,mt6797-wdt", "mediatek,mt6589-wdt": for MT6797 "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,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 - reg : Specifies base physical address and size of the registers. Optional properties: +- mediatek,disable-extrst: disable send output reset signal +- interrupts: Watchdog pre-timeout (bark) interrupt. - timeout-sec: contains the watchdog timeout in seconds. - #reset-cells: Should be 1. @@ -25,7 +34,9 @@ Example: watchdog: watchdog@10007000 { compatible = "mediatek,mt8183-wdt", "mediatek,mt6589-wdt"; + mediatek,disable-extrst; reg = <0 0x10007000 0 0x100>; + interrupts = <GIC_SPI 139 IRQ_TYPE_NONE>; timeout-sec = <10>; #reset-cells = <1>; }; |