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     1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/iio/chemical/sensirion,scd30.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Sensirion SCD30 carbon dioxide sensor
    8 
    9 maintainers:
   10   - Tomasz Duszynski <tomasz.duszynski@octakon.com>
   11 
   12 description: |
   13   Air quality sensor capable of measuring co2 concentration, temperature
   14   and relative humidity.
   15 
   16 properties:
   17   compatible:
   18     enum:
   19       - sensirion,scd30
   20 
   21   reg:
   22     maxItems: 1
   23 
   24   interrupts:
   25     maxItems: 1
   26 
   27   vdd-supply: true
   28 
   29   sensirion,sel-gpios:
   30     description: GPIO connected to the SEL line
   31     maxItems: 1
   32 
   33   sensirion,pwm-gpios:
   34     description: GPIO connected to the PWM line
   35     maxItems: 1
   36 
   37 required:
   38   - compatible
   39 
   40 additionalProperties: false
   41 
   42 examples:
   43   - |
   44     # include <dt-bindings/interrupt-controller/irq.h>
   45     i2c {
   46       #address-cells = <1>;
   47       #size-cells = <0>;
   48 
   49       co2-sensor@61 {
   50         compatible = "sensirion,scd30";
   51         reg = <0x61>;
   52         vdd-supply = <&vdd>;
   53         interrupt-parent = <&gpio0>;
   54         interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
   55       };
   56     };
   57   - |
   58     # include <dt-bindings/interrupt-controller/irq.h>
   59     serial {
   60       co2-sensor {
   61         compatible = "sensirion,scd30";
   62         vdd-supply = <&vdd>;
   63         interrupt-parent = <&gpio0>;
   64         interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
   65       };
   66     };
   67 
   68 ...
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