[PATCH v2 2/6] dt-bindings: iio: chemical: add ENS160 sensor

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Add bindings for ScioSense ENS160 multi-gas sensor.

Datasheet: https://www.sciosense.com/wp-content/uploads/2023/12/ENS160-Datasheet.pdf

Signed-off-by: Gustavo Silva <gustavograzs@xxxxxxxxx>
---
changes in v2:
 - Add devicetree binding file specifically for this sensor instead of
   adding it to trivial-devices.yaml. This is needed in order to
   document that this chip supports Vdd and Vddio supplies.
 .../iio/chemical/sciosense,ens160.yaml        | 68 +++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/chemical/sciosense,ens160.yaml

diff --git a/Documentation/devicetree/bindings/iio/chemical/sciosense,ens160.yaml b/Documentation/devicetree/bindings/iio/chemical/sciosense,ens160.yaml
new file mode 100644
index 000000000..7dd442f94
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/chemical/sciosense,ens160.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/chemical/sciosense,ens160.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ScioSense ENS160 multi-gas sensor
+
+maintainers:
+  - Gustavo Silva <gustavograzs@xxxxxxxxx>
+
+description: |
+  Digital Multi-Gas Sensor for Monitoring Indoor Air Quality.
+
+  Datasheet:
+    https://www.sciosense.com/wp-content/uploads/2023/12/ENS160-Datasheet.pdf
+
+properties:
+  compatible:
+    enum:
+      - sciosense,ens160
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  vdd-supply: true
+  vddio-supply: true
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      gas-sensor@52 {
+        compatible = "sciosense,ens160";
+        reg = <0x52>;
+        interrupt-parent = <&gpio0>;
+        interrupts = <19 IRQ_TYPE_EDGE_FALLING>;
+      };
+    };
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    spi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      gas-sensor@0 {
+        compatible = "sciosense,ens160";
+        reg = <0>;
+        spi-max-frequency = <10000000>;
+        interrupt-parent = <&gpio>;
+        interrupts = <19 IRQ_TYPE_EDGE_FALLING>;
+      };
+    };
+
+...
-- 
2.45.1





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