[PATCH 3/3] dt-bindings: soc: samsung: exynos-pmu: add reboot-mode

[Krzysztof Kozlowski]

ExynosAutov9 gained a reboot-mode node, so document the property to fix
warning:

  exynosautov9-sadk.dtb: system-controller at 10460000: 'reboot-mode' does not match any of the regexes: 'pinctrl-[0-9]+'

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
---
 .../devicetree/bindings/soc/samsung/exynos-pmu.yaml         | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml b/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
index 1835ca08416d..13bb8dfcefe6 100644
--- a/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
+++ b/Documentation/devicetree/bindings/soc/samsung/exynos-pmu.yaml
@@ -74,6 +74,12 @@ properties:
       Must be identical to the that of the parent interrupt controller.
     const: 3
 
+  reboot-mode:
+    $ref: /schemas/power/reset/syscon-reboot-mode.yaml
+    type: object
+    description:
+      Reboot mode to alter bootloader behavior for the next boot
+
   syscon-poweroff:
     $ref: /schemas/power/reset/syscon-poweroff.yaml#
     type: object
-- 
2.34.1