From: Yang Xiwen <forbidden405@outlook.com>
Date: Wed, 21 Feb 2024 11:56:42 +0000 (+0800)
Subject: dt-bindings: watchdog: arm,sp805: document the reset signal
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f4c53582530991fe5dedd124932cf06b955a0b8a;p=linux.git

dt-bindings: watchdog: arm,sp805: document the reset signal

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>
Link: https://lore.kernel.org/r/20240221-hisi-wdt-v3-2-9642613dc2e6@outlook.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
---

diff --git a/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml b/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml
index 7aea255b301be..bd7c09ed19385 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>;
     };