This patch adds IMX274 optional external clock input and voltage
supplies to device tree bindings.
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Optional Properties:
- reset-gpios: Sensor reset GPIO
+- clocks: Reference to the input clock.
+- clock-names: Should be "inck".
+- VANA-supply: Sensor 2.8v analog supply.
+- VDIG-supply: Sensor 1.8v digital core supply.
+- VDDL-supply: Sensor digital IO 1.2v supply.
The imx274 device node should contain one 'port' child node with
an 'endpoint' subnode. For further reading on port node refer to