Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Sender: Guenter Roeck <groeck7@gmail.com>
Date:   Fri, 17 Sep 2021 07:57:29 -0700
From:   Guenter Roeck <linux@roeck-us.net>
To:     Fengquan Chen <Fengquan.Chen@mediatek.com>
Cc:     Wim Van Sebroeck <wim@linux-watchdog.org>,
        Rob Herring <robh+dt@kernel.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
        tinghan.shen@mediatek.com, randy.wu@mediatek.com,
        rex-bc.chen@mediatek.com, christine.zhu@mediatek.com,
        joe.yang@mediatek.com, zhishuang.zhang@mediatek.com,
        Rob Herring <robh@kernel.org>
Subject: Re: [v3,1/2] dt-bindings: watchdog: mtk-wdt: add disable_wdt_extrst
 support
Message-ID: <20210917145729.GA1426468@roeck-us.net>
References: <20210914123454.32603-1-Fengquan.Chen@mediatek.com>
 <20210914123454.32603-2-Fengquan.Chen@mediatek.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20210914123454.32603-2-Fengquan.Chen@mediatek.com>
Precedence: bulk

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@mediatek.com>
> Acked-by: Rob Herring <robh@kernel.org>

Reviewed-by: Guenter Roeck <linux@roeck-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@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>;