| Message ID | 1619148020-2236-3-git-send-email-wangqing@vivo.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | watchdog: mtk: support pre-timeout when the bark irq is available | expand |
On Fri, 23 Apr 2021 11:20:20 +0800, Wang Qing wrote: > Add description of pre-timeout in mtk-wdt. > > Signed-off-by: Wang Qing <wangqing@vivo.com> > --- > Documentation/devicetree/bindings/watchdog/mtk-wdt.txt | 5 +++++ > 1 file changed, 5 insertions(+) > Acked-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt index e36ba60..8e27777 --- 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: @@ -17,6 +20,7 @@ Required properties: - 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 +30,7 @@ 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>; };
Add description of pre-timeout in mtk-wdt. Signed-off-by: Wang Qing <wangqing@vivo.com> --- Documentation/devicetree/bindings/watchdog/mtk-wdt.txt | 5 +++++ 1 file changed, 5 insertions(+)