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Message-ID: <20210914123454.32603-2-Fengquan.Chen@mediatek.com>
Date: Tue, 14 Sep 2021 20:34:53 +0800
From: Fengquan Chen <Fengquan.Chen@...iatek.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: <fengquan.chen@...iatek.com>, <tinghan.shen@...iatek.com>,
<randy.wu@...iatek.com>, <rex-bc.chen@...iatek.com>,
<christine.zhu@...iatek.com>, <joe.yang@...iatek.com>,
<zhishuang.zhang@...iatek.com>, Rob Herring <robh@...nel.org>
Subject: [v3,1/2] dt-bindings: watchdog: mtk-wdt: add disable_wdt_extrst support
This patch add a description and example of disable_wdt_extrst
element for watchdog on MTK Socs
Signed-off-by: Fengquan Chen <fengquan.chen@...iatek.com>
Acked-by: Rob Herring <robh@...nel.org>
---
Documentation/devicetree/bindings/watchdog/mtk-wdt.txt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
index a4e31ce96e0e..0114871f887a 100644
--- a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
+++ b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
@@ -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@...07000 {
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>;
--
2.25.1
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