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dt-bindings: watchdog: mtk-wdt: add disable_wdt_extrst support

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This patch add a description and example of disable_wdt_extrst
element for watchdog on MTK Socs

Signed-off-by: Fengquan Chen <fengquan.chen@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210914123454.32603-2-Fengquan.Chen@mediatek.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
This commit is contained in:
Fengquan Chen 2021-09-14 20:34:53 +08:00 committed by Wim Van Sebroeck
parent 414a9bf828
commit eed0987892
1 changed files with 2 additions and 0 deletions
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2
Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
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@ -22,6 +22,7 @@ Required properties:
- 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.
@ -31,6 +32,7 @@ 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>;