dt-bindings: media: ov5647: Add optional regulators

The OV5647 camera sensor takes 3 voltage supplies. So define those in
the bindings as optional regulators, to not break existing users.

Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Jai Luthra <jai.luthra@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>

diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov5647.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov5647.yaml
index a2abed06a099b41c7b165c0650e3967ec43a4962..9d3f7f1789cdedb357dae2e18b03c5af3c0e68e3 100644 (file)
--- a/Documentation/devicetree/bindings/media/i2c/ovti,ov5647.yaml
+++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov5647.yaml
@@ -30,6 +30,15 @@ properties:
     description: Reference to the GPIO connected to the pwdn pin. Active high.
     maxItems: 1
 
+  avdd-supply:
+    description: Analog voltage supply, 2.8 volts
+
+  dvdd-supply:
+    description: Digital core voltage supply, 1.5 volts
+
+  dovdd-supply:
+    description: Digital I/O voltage supply, 1.7 - 3.0 volts
+
   port:
     $ref: /schemas/graph.yaml#/$defs/port-base
     additionalProperties: false