Re: [PATCH v3 1/2] dt-bindings: watchdog: mtk-wdt: Add reset-by-toprgu support

From: Guenter Roeck
Date: Tue Jan 31 2023 - 11:47:26 EST


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@xxxxxxxxxxxx>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
> .../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
>