dt-bindings: iio: pressure: Add Aosong adp810

Add bindings for adp810 differential pressure and temperature
sensor. This sensor communicates over I2C with CRC support and
can measure pressure in the range -500 to 500Pa and temperature
in the range -40 to +85 degree celsius.

Signed-off-by: Akhilesh Patil <akhilesh@ee.iitb.ac.in>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/Documentation/devicetree/bindings/iio/pressure/aosong,adp810.yaml b/Documentation/devicetree/bindings/iio/pressure/aosong,adp810.yaml
new file mode 100644 (file)
index 0000000..ad5f26c
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/pressure/aosong,adp810.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/pressure/aosong,adp810.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: aosong adp810 differential pressure sensor
+
+maintainers:
+  - Akhilesh Patil <akhilesh@ee.iitb.ac.in>
+
+description:
+  ADP810 is differential pressure and temperature sensor. It has I2C bus
+  interface with fixed address of 0x25. This sensor supports 8 bit CRC for
+  reliable data transfer. It can measure differential pressure in the
+  range -500 to 500Pa and temperate in the range -40 to +85 degree celsius.
+
+properties:
+  compatible:
+    enum:
+      - aosong,adp810
+
+  reg:
+    maxItems: 1
+
+  vdd-supply: true
+
+required:
+  - compatible
+  - reg
+  - vdd-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        pressure-sensor@25 {
+            compatible = "aosong,adp810";
+            reg = <0x25>;
+            vdd-supply = <&vdd_regulator>;
+        };
+    };