linux-kernel - [PATCH 1/2] dt-bindings: iio: imu: add bmi270 bindings

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Message-ID: <20240901205354.3201261-2-lanzano.alex@gmail.com>
Date: Sun,  1 Sep 2024 16:53:23 -0400
From: Alex Lanzano <lanzano.alex@...il.com>
To: Alex Lanzano <lanzano.alex@...il.com>,
	Jonathan Cameron <jic23@...nel.org>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Jagath Jog J <jagathjog1996@...il.com>,
	Ramona Gradinariu <ramona.bolboaca13@...il.com>,
	Nuno Sa <nuno.sa@...log.com>
Cc: Jonathan Cameron <Jonathan.Cameron@...wei.com>,
	linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] dt-bindings: iio: imu: add bmi270 bindings

Add device tree bindings for the bmi270 IMU

Signed-off-by: Alex Lanzano <lanzano.alex@...il.com>
---
 .../bindings/iio/imu/bosch,bmi270.yaml        | 80 +++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/imu/bosch,bmi270.yaml

diff --git a/Documentation/devicetree/bindings/iio/imu/bosch,bmi270.yaml b/Documentation/devicetree/bindings/iio/imu/bosch,bmi270.yaml
new file mode 100644
index 000000000000..44534ef36378
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/imu/bosch,bmi270.yaml
@@ -0,0 +1,80 @@
+# 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@...il.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 pin 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
+
+allOf:
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        imu@68 {
+            compatible = "bosch,bmi270";
+            reg = <0x68>;
+        };
+    };
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        bmi270@0 {
+            compatible = "bosch,bmi270";
+            reg = <0>;
+            spi-max-frequency = <10000000>;
+        };
+    };
-- 
2.46.0