dt-bindings: power: supply: define monitored-battery in common place

Define the type of monitored-battery in power-supply.yaml common schema.
Reference the schema where applicable to enforce the above in bindings
which have monitored-battery property.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Documentation/devicetree/bindings/mfd/ene-kb930.yaml

@@ -13,6 +13,8 @@ description: |
 maintainers:
   - Dmitry Osipenko <digetx@gmail.com>
 
+$ref: /schemas/power/supply/power-supply.yaml
+
 properties:
   compatible:
     items:
@@ -22,15 +24,13 @@ properties:
   reg:
     maxItems: 1
 
-  monitored-battery: true
-  power-supplies: true
   system-power-controller: true
 
 required:
   - compatible
   - reg
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |

Documentation/devicetree/bindings/mfd/rockchip,rk817.yaml

@@ -124,6 +124,8 @@ properties:
       The child node for the charger to hold additional properties. If a
       battery is not in use, this node can be omitted.
     type: object
+    $ref: /schemas/power/supply/power-supply.yaml
+
     properties:
       monitored-battery:
         description: |

Documentation/devicetree/bindings/power/supply/bq27xxx.yaml

@@ -60,13 +60,11 @@ properties:
 
   monitored-battery:
     description: |
-       phandle of battery characteristics node.
        The fuel gauge uses the following battery properties:
        - energy-full-design-microwatt-hours
        - charge-full-design-microamp-hours
        - voltage-min-design-microvolt
        Both or neither of the *-full-design-*-hours properties must be set.
-       See Documentation/devicetree/bindings/power/supply/battery.yaml
 
   power-supplies: true
 

Documentation/devicetree/bindings/power/supply/ingenic,battery.yaml

@@ -10,6 +10,8 @@ title: Ingenic JZ47xx battery bindings
 maintainers:
   - Artur Rojek <contact@artur-rojek.eu>
 
+$ref: power-supply.yaml#
+
 properties:
   compatible:
     oneOf:
@@ -28,8 +30,6 @@ properties:
 
   monitored-battery:
     description: >
-      phandle to a "simple-battery" compatible node.
-
       This property must be a phandle to a node using the format described
       in battery.yaml, with the following properties being required:
       - voltage-min-design-microvolt: drained battery voltage,

Documentation/devicetree/bindings/power/supply/power-supply.yaml

@@ -18,4 +18,10 @@ properties:
       This property is added to a supply in order to list the devices which
       supply it power, referenced by their phandles.
 
+  monitored-battery:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      The battery (with "simple-battery" compatible) being monitored by this
+      power supply.
+
 additionalProperties: true

Documentation/devicetree/bindings/power/supply/rohm,bd99954.yaml

@@ -18,6 +18,7 @@ description: |
   provides a Dual-source Battery Charger, two port BC1.2 detection and a
   Battery Monitor.
 
+$ref: power-supply.yaml#
 
 properties:
   compatible:

Documentation/devicetree/bindings/power/supply/sc2731-charger.yaml

@@ -28,7 +28,6 @@ properties:
       The charger uses the following battery properties
       - charge-term-current-microamp: current for charge termination phase.
       - constant-charge-voltage-max-microvolt: maximum constant input voltage.
-      See Documentation/devicetree/bindings/power/supply/battery.yaml
 
 additionalProperties: false