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

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Message-Id: <1619059532-17805-3-git-send-email-wangqing@vivo.com>
Date:   Thu, 22 Apr 2021 10:45:32 +0800
From:   Wang Qing <wangqing@...o.com>
To:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Wang Qing <wangqing@...o.com>
Subject: [PATCH V6 2/2] doc: mtk-wdt: support pre-timeout when the bark irq is available

Add description of pre-timeout in mtk-wdt.

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

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:
-- 
2.7.4