[PATCH [2/2]] dt-bindings: iio: humidity: Add TI HDC302x support

[Li peiyu]

Add device tree bindings for HDC3020/HDC3021/HDC3022 humidity and
temperature sensors.

Signed-off-by: Li peiyu <579lpy@xxxxxxxxx>
---
 .../bindings/iio/humidity/ti,hdc3020.yaml     | 48 +++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/humidity/ti,hdc3020.yaml

diff --git a/Documentation/devicetree/bindings/iio/humidity/ti,hdc3020.yaml b/Documentation/devicetree/bindings/iio/humidity/ti,hdc3020.yaml
new file mode 100644
index 000000000000..8015c4bb5b2f
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/humidity/ti,hdc3020.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/humidity/ti,hdc3020.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: HDC3020/HDC3021/HDC3022 humidity and temperature iio sensors
+
+maintainers:
+  - Jonathan Cameron <jic23@xxxxxxxxxx>
+
+description: |
+  The HDC302x is an integrated capacitive based relative humidity (RH)
+  and temperature sensor.
+
+  datasheet is available:
+    https://www.ti.com/lit/ds/symlink/hdc3020.pdf
+
+properties:
+  compatible:
+    enum:
+      - ti,hdc3020
+      - ti,hdc3021
+      - ti,hdc3022
+
+  interrupts:
+    maxItems: 1
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        humidity@47 {
+            compatible = "ti,hdc3020";
+            reg = <0x47>;
+        };
+    };
-- 
2.34.1