linux-kernel - Re: [v3,1/2] dt-bindings: watchdog: mtk-wdt: add disable_wdt

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Message-ID: <20210917145729.GA1426468@roeck-us.net>
Date:   Fri, 17 Sep 2021 07:57:29 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Fengquan Chen <Fengquan.Chen@...iatek.com>
Cc:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        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,
        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: Re: [v3,1/2] dt-bindings: watchdog: mtk-wdt: add disable_wdt_extrst
 support

On Tue, Sep 14, 2021 at 08:34:53PM +0800, Fengquan Chen wrote:
> 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>

Reviewed-by: Guenter Roeck <linux@...ck-us.net>

> ---
>  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>;