[PATCH v3 1/2] dt-bindings: iio: imu: smi240: devicetree binding

[<Jianping.Shen@de.bosch.com>]

From: Shen Jianping <Jianping.Shen@de.bosch.com>

dt-bindings: iio: imu: smi240: add sensor dt-binding
Signed-off-by: Shen Jianping <Jianping.Shen@de.bosch.com>
---

Notes:
    v1 -> v2
    - Add more detail in description
    - Add maintainer
    - Add vdd and vddio power supply
    - Use generic node name
    - Order the properties according to DTS coding style
    
    v2 -> v3
    - improve description
    - improve supply definition
    - make supply definition as required
    - add supply definition in example

 .../bindings/iio/imu/bosch,smi240.yaml        | 52 +++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/imu/bosch,smi240.yaml

diff --git a/Documentation/devicetree/bindings/iio/imu/bosch,smi240.yaml b/Documentation/devicetree/bindings/iio/imu/bosch,smi240.yaml
new file mode 100644
index 00000000000..6f1fb4b892c
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/imu/bosch,smi240.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/imu/bosch,smi240.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Bosch smi240 imu
+
+maintainers:
+  - Jianping Shen <Jianping.Shen@de.bosch.com>
+
+description:
+  The smi240 is a combined three axis angular rate and three 
+  axis acceleration sensor module with a measurement range of 
+  +/-300°/s and up to 16g.
+  https://www.bosch-semiconductors.com/mems-sensors/highly-automated-driving/smi240/
+
+properties:
+  compatible:
+    const: bosch,smi240
+
+  reg:
+    maxItems: 1
+
+  vdd-supply: true
+  vddio-supply: true
+
+required:
+  - compatible
+  - reg
+  - vdd-supply
+  - vddio-supply
+
+allOf:
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        imu@0 {
+            compatible = "bosch,smi240";
+            reg = <0>;
+            vdd-supply = <&vdd>;
+            vddio-supply = <&vddio>;
+            spi-max-frequency = <10000000>;
+        };
+    };
-- 
2.34.1