mtk-wdt.txt

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    1 Mediatek SoCs Watchdog timer
    2 
    3 The watchdog supports a pre-timeout interrupt that fires timeout-sec/2
    4 before the expiry.
    5 
    6 Required properties:
    7 
    8 - compatible should contain:
    9         "mediatek,mt2701-wdt", "mediatek,mt6589-wdt": for MT2701
   10         "mediatek,mt2712-wdt": for MT2712
   11         "mediatek,mt6582-wdt", "mediatek,mt6589-wdt": for MT6582
   12         "mediatek,mt6589-wdt": for MT6589
   13         "mediatek,mt6797-wdt", "mediatek,mt6589-wdt": for MT6797
   14         "mediatek,mt7622-wdt", "mediatek,mt6589-wdt": for MT7622
   15         "mediatek,mt7623-wdt", "mediatek,mt6589-wdt": for MT7623
   16         "mediatek,mt7629-wdt", "mediatek,mt6589-wdt": for MT7629
   17         "mediatek,mt7986-wdt", "mediatek,mt6589-wdt": for MT7986
   18         "mediatek,mt8183-wdt": for MT8183
   19         "mediatek,mt8186-wdt", "mediatek,mt6589-wdt": for MT8186
   20         "mediatek,mt8516-wdt", "mediatek,mt6589-wdt": for MT8516
   21         "mediatek,mt8192-wdt": for MT8192
   22         "mediatek,mt8195-wdt", "mediatek,mt6589-wdt": for MT8195
   23 
   24 - reg : Specifies base physical address and size of the registers.
   25 
   26 Optional properties:
   27 - mediatek,disable-extrst: disable send output reset signal
   28 - interrupts: Watchdog pre-timeout (bark) interrupt.
   29 - timeout-sec: contains the watchdog timeout in seconds.
   30 - #reset-cells: Should be 1.
   31 
   32 Example:
   33 
   34 watchdog: watchdog@10007000 {
   35         compatible = "mediatek,mt8183-wdt",
   36                      "mediatek,mt6589-wdt";
   37         mediatek,disable-extrst;
   38         reg = <0 0x10007000 0 0x100>;
   39         interrupts = <GIC_SPI 139 IRQ_TYPE_NONE>;
   40         timeout-sec = <10>;
   41         #reset-cells = <1>;
   42 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/watchdog/mtk-wdt.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/watchdog/mtk-wdt.txt