Re: [PATCH v3 2/2] dt-bindings: watchdog: arm,sp805: document the reset signal

From: Guenter Roeck
Date: Wed Feb 21 2024 - 07:56:17 EST


On Wed, Feb 21, 2024 at 07:56:42PM +0800, Yang Xiwen via B4 Relay wrote:
> From: Yang Xiwen <forbidden405@xxxxxxxxxxx>
>
> The reset signal needs to be deasserted before operation of sp805
> module. Document in the binding.
>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> Signed-off-by: Yang Xiwen <forbidden405@xxxxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
> Documentation/devicetree/bindings/watchdog/arm,sp805.yaml | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml b/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml
> index 7aea255b301b..bd7c09ed1938 100644
> --- a/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml
> +++ b/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml
> @@ -50,6 +50,10 @@ properties:
> - const: wdog_clk
> - const: apb_pclk
>
> + resets:
> + maxItems: 1
> + description: WDOGRESn input reset signal for sp805 module.
> +
> required:
> - compatible
> - reg
> @@ -67,4 +71,5 @@ examples:
> interrupts = <GIC_SPI 406 IRQ_TYPE_LEVEL_HIGH>;
> clocks = <&wdt_clk>, <&apb_pclk>;
> clock-names = "wdog_clk", "apb_pclk";
> + resets = <&wdt_rst>;
> };
>
> --
> 2.43.0
>