# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/iio/light/ti,opt4001.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Texas Instruments OPT4001 Ambient Light Sensor maintainers: - Stefan Windfeldt-Prytz <stefan.windfeldt-prytz@axis.com> description: Ambient light sensor with an i2c interface. Last part of compatible is for the packaging used. Picostar is a 4 pinned SMT and sot-5x3 is a 8 pinned SOT. https://www.ti.com/lit/gpn/opt4001 properties: compatible: enum: - ti,opt4001-picostar - ti,opt4001-sot-5x3 reg: maxItems: 1 interrupts: maxItems: 1 vdd-supply: description: Regulator that provides power to the sensor required: - compatible - reg allOf: - if: properties: compatible: contains: const: ti,opt4001-sot-5x3 then: properties: interrupts: maxItems: 1 else: properties: interrupts: false additionalProperties: false examples: - | #include <dt-bindings/interrupt-controller/irq.h> i2c { #address-cells = <1>; #size-cells = <0>; light-sensor@44 { compatible = "ti,opt4001-sot-5x3"; reg = <0x44>; vdd-supply = <&vdd_reg>; interrupt-parent = <&gpio1>; interrupts = <28 IRQ_TYPE_EDGE_FALLING>; }; }; ...