88 lines · yaml
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/iio/light/sharp,gp2ap002.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Sharp GP2AP002A00F and GP2AP002S00F proximity and ambient light sensors8 9maintainers:10 - Linus Walleij <linus.walleij@linaro.org>11 12description: |13 Proximity and ambient light sensor with IR LED for the proximity14 sensing and an analog output for light intensity. The ambient light15 sensor output is not available on the GP2AP002S00F variant.16 17properties:18 compatible:19 enum:20 - sharp,gp2ap002a00f21 - sharp,gp2ap002s00f22 23 reg:24 maxItems: 125 26 interrupts:27 maxItems: 128 description: an interrupt for proximity, usually a GPIO line29 30 vdd-supply:31 description: VDD power supply a phandle to a regulator32 33 vio-supply:34 description: VIO power supply a phandle to a regulator35 36 io-channels:37 maxItems: 138 description: ALSOUT ADC channel to read the ambient light39 40 io-channel-names:41 const: alsout42 43 sharp,proximity-far-hysteresis:44 $ref: /schemas/types.yaml#/definitions/uint845 description: |46 Hysteresis setting for "far" object detection, this setting is47 device-unique and adjust the optical setting for proximity detection48 of a "far away" object in front of the sensor.49 50 sharp,proximity-close-hysteresis:51 $ref: /schemas/types.yaml#/definitions/uint852 description: |53 Hysteresis setting for "close" object detection, this setting is54 device-unique and adjust the optical setting for proximity detection55 of a "close" object in front of the sensor.56 57required:58 - compatible59 - reg60 - interrupts61 - sharp,proximity-far-hysteresis62 - sharp,proximity-close-hysteresis63 64additionalProperties: false65 66examples:67 - |68 #include <dt-bindings/interrupt-controller/irq.h>69 70 i2c {71 #address-cells = <1>;72 #size-cells = <0>;73 74 light-sensor@44 {75 compatible = "sharp,gp2ap002a00f";76 reg = <0x44>;77 interrupts = <18 IRQ_TYPE_EDGE_FALLING>;78 vdd-supply = <&vdd_regulator>;79 vio-supply = <&vio_regulator>;80 io-channels = <&adc_channel>;81 io-channel-names = "alsout";82 sharp,proximity-far-hysteresis = /bits/ 8 <0x2f>;83 sharp,proximity-close-hysteresis = /bits/ 8 <0x0f>;84 };85 };86 87...88