dt-bindings: watchdog: Require samsung,syscon-phandle for Exynos7

Exynos7 watchdog driver is clearly indicating that its dts node must define syscon phandle property. That was probably forgotten, so add it. Signed-off-by: Sam Protsenko <[email protected]> Fixes: 2b9366b ("watchdog: s3c2410_wdt: Add support for Watchdog device on Exynos7") Reviewed-by: Krzysztof Kozlowski <[email protected]> Reviewed-by: Rob Herring <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
sm00th · Dec 28, 2021 · 33950f9 · 33950f9
1 parent cea62f9
commit 33950f9
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml b/Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml
@@ -39,8 +39,8 @@ properties:
   samsung,syscon-phandle:
     $ref: /schemas/types.yaml#/definitions/phandle
     description:
-      Phandle to the PMU system controller node (in case of Exynos5250
-      and Exynos5420).
+      Phandle to the PMU system controller node (in case of Exynos5250,
+      Exynos5420 and Exynos7).
 
 required:
   - compatible
@@ -58,6 +58,7 @@ allOf:
             enum:
               - samsung,exynos5250-wdt
               - samsung,exynos5420-wdt
+              - samsung,exynos7-wdt
     then:
       required:
         - samsung,syscon-phandle