[PATCH v2 1/3] dt-bindings: iio: chemical: Document senseair,sunrise CO2 sensor

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Add documentation for the Senseair Sunrise 006-0-0007 CO2 NDIR sensor.

Signed-off-by: Jacopo Mondi <jacopo@xxxxxxxxxx>
---
v1->v2:
- Add maxItems to -gpios properties as suggested by Rob
- Add a label to the device node in the example as suggested by Rob

---
 .../iio/chemical/senseair,sunrise.yaml        | 53 +++++++++++++++++++
 .../devicetree/bindings/vendor-prefixes.yaml  |  2 +
 2 files changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/chemical/senseair,sunrise.yaml

diff --git a/Documentation/devicetree/bindings/iio/chemical/senseair,sunrise.yaml b/Documentation/devicetree/bindings/iio/chemical/senseair,sunrise.yaml
new file mode 100644
index 000000000000..d776adcb0117
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/chemical/senseair,sunrise.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/chemical/senseair,sunrise.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Senseair Sunrise 006-0-0007 CO2 Sensor
+
+maintainers:
+  - Jacopo Mondi <jacopo@xxxxxxxxxx>
+
+description: |
+  Senseair Sunrise 006-0-0007 is a NDIR CO2 sensor. It supports I2C or UART buses
+  for communications and control.
+
+  Datasheets:
+    https://rmtplusstoragesenseair.blob.core.windows.net/docs/Dev/publicerat/PSP11704.pdf
+    https://rmtplusstoragesenseair.blob.core.windows.net/docs/Dev/publicerat/PSH11649.pdf
+    https://rmtplusstoragesenseair.blob.core.windows.net/docs/Dev/publicerat/TDE5531.pdf
+    https://rmtplusstoragesenseair.blob.core.windows.net/docs/Market/publicerat/TDE7318.pdf
+
+properties:
+  compatible:
+    const: senseair,sunrise-006-0-0007
+
+  reg:
+    maxItems: 1
+
+  ndry-gpios:
+    maxItems: 1
+    description: Phandle to the GPIO line connected to the nDRY pin. Active low.
+
+  en-gpios:
+    maxItems: 1
+    description: Phandle to the GPIO line connected to the EN pin. Active high.
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      co2-sensor: sunrise@68 {
+        compatible = "senseair,sunrise-006-0-0007";
+        reg = <0x68>;
+      };
+    };
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 944a14926e02..c60502eb3d36 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -1000,6 +1000,8 @@ patternProperties:
     description: Shenzhen SEI Robotics Co., Ltd
   "^semtech,.*":
     description: Semtech Corporation
+  "^senseair,.*":
+    description: Senseair AB
   "^sensirion,.*":
     description: Sensirion AG
   "^sensortek,.*":
--
2.32.0




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