linux-kernel - [RFC 1/2] dt-bindings: iio: imu: Add DT binding doc for BMI323

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Message-Id: <20230918080314.11959-2-jagathjog1996@gmail.com>
Date:   Mon, 18 Sep 2023 13:33:13 +0530
From:   Jagath Jog J <jagathjog1996@...il.com>
To:     jic23@...nel.org, andriy.shevchenko@...ux.intel.com,
        lars@...afoo.de, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org
Cc:     linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [RFC 1/2] dt-bindings: iio: imu: Add DT binding doc for BMI323

Add devicetree description document for Bosch BMI323, a 6-Axis IMU.

Signed-off-by: Jagath Jog J <jagathjog1996@...il.com>
---
 .../bindings/iio/imu/bosch,bmi323.yaml        | 81 +++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/imu/bosch,bmi323.yaml

diff --git a/Documentation/devicetree/bindings/iio/imu/bosch,bmi323.yaml b/Documentation/devicetree/bindings/iio/imu/bosch,bmi323.yaml
new file mode 100644
index 000000000000..9c08988103c5
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/imu/bosch,bmi323.yaml
@@ -0,0 +1,81 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/imu/bosch,bmi323.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Bosch BMI323 6-Axis IMU
+
+maintainers:
+  - Jagath Jog J <jagathjog1996@...il.com>
+
+description:
+  BMI323 is a 6-axis inertial measurement unit that supports acceleration and
+  gyroscopic measurements with hardware fifo buffering. Sensor also provides
+  events information such as motion, steps, orientation, single and double
+  tap detection.
+
+properties:
+  compatible:
+    const: bosch,bmi323
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  interrupt-names:
+    enum:
+      - INT1
+      - INT2
+    description: |
+      set to "INT1" if INT1 pin should be used as interrupt input, set
+      to "INT2" if INT2 pin should be used instead
+
+  drive-open-drain:
+    description: |
+      set if the specified interrupt pin should be configured as
+      open drain. If not set, defaults to push-pull.
+
+required:
+  - compatible
+  - reg
+
+allOf:
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    // Example for I2C
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        bmi323@68 {
+            compatible = "bosch,bmi323";
+            reg = <0x68>;
+            interrupt-parent = <&gpio1>;
+            interrupts = <29 IRQ_TYPE_EDGE_RISING>;
+            interrupt-names = "INT1";
+        };
+    };
+  - |
+    // Example for SPI
+    #include <dt-bindings/interrupt-controller/irq.h>
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        bmi323@0 {
+            compatible = "bosch,bmi323";
+            reg = <0>;
+            spi-max-frequency = <10000000>;
+            interrupt-parent = <&gpio2>;
+            interrupts = <12 IRQ_TYPE_EDGE_FALLING>;
+            interrupt-names = "INT2";
+        };
+    };
-- 
2.20.1