diff mbox series

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

Message ID 20240221-hisi-wdt-v3-2-9642613dc2e6@outlook.com
State New
Headers show
Series watchdog: sp805: add reset control support | expand

Commit Message

Yang Xiwen via B4 Relay Feb. 21, 2024, 11:56 a.m. UTC 
From: Yang Xiwen <forbidden405@outlook.com>

The reset signal needs to be deasserted before operation of sp805
module. Document in the binding.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Yang Xiwen <forbidden405@outlook.com>
---
 Documentation/devicetree/bindings/watchdog/arm,sp805.yaml | 5 +++++
 1 file changed, 5 insertions(+)

Comments

Guenter Roeck Feb. 21, 2024, 12:55 p.m. UTC | #1 
On Wed, Feb 21, 2024 at 07:56:42PM +0800, Yang Xiwen via B4 Relay wrote:
> From: Yang Xiwen <forbidden405@outlook.com>
> 
> The reset signal needs to be deasserted before operation of sp805
> module. Document in the binding.
> 
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> Signed-off-by: Yang Xiwen <forbidden405@outlook.com>

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

> ---
>  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
>
diff mbox series

Patch

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>;
     };