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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