linux-kernel - [PATCH 5.15 840/846] dt-bindings: watchdog: Require samsung,syscon-phandle for Exynos7

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Message-Id: <20220124184129.880609350@linuxfoundation.org>
Date:   Mon, 24 Jan 2022 19:45:57 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Sam Protsenko <semen.protsenko@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Rob Herring <robh@...nel.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>
Subject: [PATCH 5.15 840/846] dt-bindings: watchdog: Require samsung,syscon-phandle for Exynos7

From: Sam Protsenko <semen.protsenko@...aro.org>

commit 33950f9a36aca55c2b1e6062d9b29f3e97f91c40 upstream.

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 <semen.protsenko@...aro.org>
Fixes: 2b9366b66967 ("watchdog: s3c2410_wdt: Add support for Watchdog device on Exynos7")
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Reviewed-by: Rob Herring <robh@...nel.org>
Reviewed-by: Guenter Roeck <linux@...ck-us.net>
Link: https://lore.kernel.org/r/20211107202943.8859-2-semen.protsenko@linaro.org
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@...ux-watchdog.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- 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