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

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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@linaro.org>
Fixes: 2b9366b669 ("watchdog: s3c2410_wdt: Add support for Watchdog device on Exynos7")
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20211107202943.8859-2-semen.protsenko@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sam Protsenko
2021-11-21 18:56:36 +02:00
committed by Greg Kroah-Hartman
parent 23bcf3615b
commit 21513c4615
1 changed files with 3 additions and 2 deletions
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5
Documentation/devicetree/bindings/watchdog/samsung-wdt.yaml
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@@ -39,8 +39,8 @@ properties:
samsung,syscon-phandle: samsung,syscon-phandle:
$ref: /schemas/types.yaml#/definitions/phandle $ref: /schemas/types.yaml#/definitions/phandle
description: description:
Phandle to the PMU system controller node (in case of Exynos5250 Phandle to the PMU system controller node (in case of Exynos5250,
and Exynos5420). Exynos5420 and Exynos7).
required: required:
- compatible - compatible
@@ -58,6 +58,7 @@ allOf:
enum: enum:
- samsung,exynos5250-wdt - samsung,exynos5250-wdt
- samsung,exynos5420-wdt - samsung,exynos5420-wdt
- samsung,exynos7-wdt
then: then:
required: required:
- samsung,syscon-phandle - samsung,syscon-phandle