These sensors can accept 2 supplies - one for the sensor and one for IR LED [1]. Add supply properties for the sensor - 2 for the sensors and one external, for their open drain interrupt line, to ensure the sensor is powered on before proceeding with setup.
[1] https://www.vishay.com/docs/84274/vcnl4040.pdf Reviewed-by: David Lechner <[email protected]> Signed-off-by: Erikas Bitovtas <[email protected]> --- .../devicetree/bindings/iio/light/vishay,vcnl4000.yaml | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/light/vishay,vcnl4000.yaml b/Documentation/devicetree/bindings/iio/light/vishay,vcnl4000.yaml index 2ba4d5de4ec4..516afef7a545 100644 --- a/Documentation/devicetree/bindings/iio/light/vishay,vcnl4000.yaml +++ b/Documentation/devicetree/bindings/iio/light/vishay,vcnl4000.yaml @@ -33,6 +33,17 @@ properties: interrupts: maxItems: 1 + vdd-supply: + description: Regulator providing power to the "VDD" pin. + + vio-supply: + description: Regulator providing power for pull-up of the I/O lines. + Does not connect to the sensor directly, but is needed for the + correct operation of the I2C and interrupt lines. + + vled-supply: + description: Regulator providing power to the IR anode pin. + reg: maxItems: 1 @@ -54,6 +65,9 @@ examples: compatible = "vishay,vcnl4200"; reg = <0x51>; proximity-near-level = <220>; + vdd-supply = <®_vdd>; + vio-supply = <®_vio>; + vled-supply = <®_vled>; }; }; ... -- 2.53.0

