dt-bindings: iio: imu: add bmi270 bindings

Add device tree bindings for the bmi270 IMU

Signed-off-by: Alex Lanzano <lanzano.alex@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240912210749.3080157-2-lanzano.alex@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Documentation/devicetree/bindings/iio/imu/bosch,bmi270.yaml

@@ -0,0 +1,77 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/imu/bosch,bmi270.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Bosch BMI270 6-Axis IMU
+
+maintainers:
+  - Alex Lanzano <lanzano.alex@gmail.com>
+
+description: |
+  BMI270 is a 6-axis inertial measurement unit that can measure acceleration and
+  angular velocity. The sensor also supports configurable interrupt events such
+  as motion, step counter, and wrist motion gestures. The sensor can communicate
+  I2C or SPI.
+  https://www.bosch-sensortec.com/products/motion-sensors/imus/bmi270/
+
+properties:
+  compatible:
+    const: bosch,bmi270
+
+  reg:
+    maxItems: 1
+
+  vdd-supply: true
+  vddio-supply: true
+
+  interrupts:
+    minItems: 1
+    maxItems: 2
+
+  interrupt-names:
+    minItems: 1
+    maxItems: 2
+    items:
+      enum:
+        - INT1
+        - INT2
+
+  drive-open-drain:
+    description:
+      set if the specified interrupt pins should be configured as
+      open drain. If not set, defaults to push-pull.
+
+  mount-matrix:
+    description:
+      an optional 3x3 mounting rotation matrix.
+
+required:
+  - compatible
+  - reg
+  - vdd-supply
+  - vddio-supply
+
+allOf:
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        imu@68 {
+            compatible = "bosch,bmi270";
+            reg = <0x68>;
+            vdd-supply = <&vdd>;
+            vddio-supply = <&vddio>;
+            interrupt-parent = <&gpio1>;
+            interrupts = <16 IRQ_TYPE_EDGE_RISING>;
+            interrupt-names = "INT1";
+        };
+    };