2023-01-17 01:55:51

by Allen-KH Cheng

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

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 <[email protected]>
Reviewed-by: AngeloGioacchino Del Regno <[email protected]>
---
.../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

--
2.18.0

2023-01-17 11:59:57

by Krzysztof Kozlowski

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

On 17/01/2023 02:40, 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 <[email protected]>
> Reviewed-by: AngeloGioacchino Del Regno <[email protected]>


Acked-by: Krzysztof Kozlowski <[email protected]>

Best regards,
Krzysztof

2023-01-31 16:47:25

by Guenter Roeck

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

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 <[email protected]>
> Reviewed-by: AngeloGioacchino Del Regno <[email protected]>
> Acked-by: Krzysztof Kozlowski <[email protected]>

Reviewed-by: Guenter Roeck <[email protected]>

> ---
> .../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
>