linux-kernel - [PATCH v2 3/6] dt-bindings: iio: imu: Add Bosch BMI260

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Message-ID: <20241018233723.28757-4-justin@justinweiss.com>
Date: Fri, 18 Oct 2024 16:36:09 -0700
From: Justin Weiss <justin@...tinweiss.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>
Cc: Justin Weiss <justin@...tinweiss.com>,
	linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"Derek J . Clark" <derekjohn.clark@...il.com>,
	Philip Müller <philm@...jaro.org>
Subject: [PATCH v2 3/6] dt-bindings: iio: imu: Add Bosch BMI260

Add devicetree description document for Bosch BMI260, a 6-Axis IMU.

Signed-off-by: Justin Weiss <justin@...tinweiss.com>
---
 .../bindings/iio/imu/bosch,bmi260.yaml        | 77 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 78 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/imu/bosch,bmi260.yaml

diff --git a/Documentation/devicetree/bindings/iio/imu/bosch,bmi260.yaml b/Documentation/devicetree/bindings/iio/imu/bosch,bmi260.yaml
new file mode 100644
index 000000000000..6786b5e4d0fa
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/imu/bosch,bmi260.yaml
@@ -0,0 +1,77 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/imu/bosch,bmi260.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Bosch BMI260 6-Axis IMU
+
+maintainers:
+  - Justin Weiss <justin@...tinweiss.com>
+
+description: |
+  BMI260 is a 6-axis inertial measurement unit that can measure acceleration and
+  angular velocity. The sensor also supports configurable interrupt events such
+  as motion detection and step counting. The sensor can communicate over
+  I2C or SPI.
+  https://www.bosch-sensortec.com/products/motion-sensors/imus/bmi260/
+
+properties:
+  compatible:
+    const: bosch,bmi260
+
+  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,bmi260";
+            reg = <0x68>;
+            vdd-supply = <&vdd>;
+            vddio-supply = <&vddio>;
+            interrupt-parent = <&gpio1>;
+            interrupts = <16 IRQ_TYPE_EDGE_RISING>;
+            interrupt-names = "INT1";
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 6011af70c12e..73b6b7721dd8 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4047,6 +4047,7 @@ BOSCH SENSORTEC BMI270 IMU IIO DRIVER
 M:	Alex Lanzano <lanzano.alex@...il.com>
 L:	linux-iio@...r.kernel.org
 S:	Maintained
+F:	Documentation/devicetree/bindings/iio/imu/bosch,bmi260.yaml
 F:	Documentation/devicetree/bindings/iio/imu/bosch,bmi270.yaml
 F:	drivers/iio/imu/bmi270/
 
-- 
2.47.0