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From: Guenter Roeck <linux@roeck-us.net>
To: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
Cc: Wim Van Sebroeck <wim@linux-watchdog.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Rob Herring <robh+dt@kernel.org>,
	linux-watchdog@vger.kernel.org,
	Project_Global_Chrome_Upstream_Group@mediatek.com,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org
Subject: Re: [PATCH v3 1/2] dt-bindings: watchdog: mtk-wdt: Add reset-by-toprgu support
Date: Tue, 31 Jan 2023 08:47:17 -0800	[thread overview]
Message-ID: <20230131164717.GA3596213@roeck-us.net> (raw)
In-Reply-To: <20230117014023.2993-2-allen-kh.cheng@mediatek.com>

On Tue, Jan 17, 2023 at 09:40:22AM +0800, Allen-KH Cheng wrote:
> In some applications, the mtk-wdt requires the TOPRGU (Top Reset
> Generation Unit) to reset timer after system resets. Add optional
> mediatek,reset-by-toprgu property to enable it.
> 
> Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

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

> ---
>  .../devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml      | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml b/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml
> index b3605608410c..55b34461df1b 100644
> --- a/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml
> +++ b/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml
> @@ -52,6 +52,12 @@ properties:
>      description: Disable sending output reset signal
>      type: boolean
>  
> +  mediatek,reset-by-toprgu:
> +    description: The Top Reset Generation Unit (TOPRGU) generates reset signals
> +      and distributes them to each IP. If present, the watchdog timer will be
> +      reset by TOPRGU once system resets.
> +    type: boolean
> +
>    '#reset-cells':
>      const: 1
>  

  parent reply	other threads:[~2023-01-31 16:47 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-17  1:40 [PATCH v3 0/2] mtk-wdt: Add reset-by-toprgu support Allen-KH Cheng
2023-01-17  1:40 ` [PATCH v3 1/2] dt-bindings: watchdog: " Allen-KH Cheng
2023-01-17 11:10   ` Krzysztof Kozlowski
2023-01-31 16:47   ` Guenter Roeck [this message]
2023-01-17  1:40 ` [PATCH v3 2/2] watchdog: mtk_wdt: Add reset_by_toprgu support Allen-KH Cheng

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