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[V6,2/2] doc: mtk-wdt: support pre-timeout when the bark irq is available

Message ID 1619059532-17805-3-git-send-email-wangqing@vivo.com
State New
Headers show
Series watchdog: mtk: support pre-timeout when the bark irq is available | expand

Commit Message

Qing Wang April 22, 2021, 2:45 a.m. UTC
Add description of pre-timeout in mtk-wdt.

Signed-off-by: Wang Qing <wangqing@vivo.com>
---
 Documentation/devicetree/bindings/watchdog/mtk-wdt.txt | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
index e36ba60..ae57d6c
--- 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: