new file mode 100644
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/chemical/sensirion,scd30.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sensirion SCD30 carbon dioxide sensor
+
+maintainers:
+ - Tomasz Duszynski <tomasz.duszynski@octakon.com>
+
+description: |
+ Air quality sensor capable of measuring co2 concentration, temperature
+ and relative humidity.
+
+properties:
+ compatible:
+ enum:
+ - sensirion,scd30
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ vdd-supply: true
+
+ sensirion,sel-gpios:
+ description: GPIO connected to the SEL line
+ maxItems: 1
+
+ sensirion,pwm-gpios:
+ description: GPIO connected to the PWM line
+ maxItems: 1
+
+required:
+ - compatible
+
+additionalProperties: false
+
+examples:
+ - |
+ # include <dt-bindings/interrupt-controller/irq.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ co2-sensor@61 {
+ compatible = "sensirion,scd30";
+ reg = <0x61>;
+ vdd-supply = <&vdd>;
+ interrupt-parent = <&gpio0>;
+ interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ };
+ - |
+ # include <dt-bindings/interrupt-controller/irq.h>
+ serial {
+ co2-sensor {
+ compatible = "sensirion,scd30";
+ vdd-supply = <&vdd>;
+ interrupt-parent = <&gpio0>;
+ interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ };
+
+...
@@ -15140,6 +15140,7 @@ F: include/uapi/linux/phantom.h
SENSIRION SCD30 CARBON DIOXIDE SENSOR DRIVER
M: Tomasz Duszynski <tomasz.duszynski@octakon.com>
S: Maintained
+F: Documentation/devicetree/bindings/iio/chemical/sensirion,scd30.yaml
F: drivers/iio/chemical/scd30.h
F: drivers/iio/chemical/scd30_core.c
F: drivers/iio/chemical/scd30_i2c.c