dt-bindings: watchdog: Drop unneeded quotes

Cleanup bindings dropping unneeded quotes. Once all these are fixed,
checking for this can be enabled in yamllint.

Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Acked-by: Hector Martin <marcan@marcan.st>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Florian Fainelli <f.fainelli@gmail.com> #brcm,bcm7038-wdt.yaml
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230317233643.3969019-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>

dt-bindings: watchdog: Fix node descriptions in uniphier-wdt example

Drop a parent node of the watchdog as it is not directly necessary.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221213082449.2721-6-hayashi.kunihiko@socionext.com
Signed-off-by: Rob Herring <robh@kernel.org>

dt-bindings: watchdog: uniphier: Use unevaluatedProperties

This refers common bindings, so this is preferred for
unevaluatedProperties instead of additionalProperties.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/1649317606-21267-1-git-send-email-hayashi.kunihiko@socionext.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

dt-bindings: watchdog: Convert UniPhier watchdog timer to json-schema

Convert UniPhier watchdog timer binding to DT schema format.

Cc: Keiji Hayashibara <hayashibara.keiji@socionext.com>
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Rob Herring <robh@kernel.org>