linux-kernel - [PATCH v7 1/2] dt-bindings: iio: imu: smi240: add Bosch smi240

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Message-ID: <20240913100011.4618-2-Jianping.Shen@de.bosch.com>
Date: Fri, 13 Sep 2024 12:00:10 +0200
From: <Jianping.Shen@...bosch.com>
To: <jic23@...nel.org>, <lars@...afoo.de>, <robh@...nel.org>,
	<krzk+dt@...nel.org>, <conor+dt@...nel.org>, <dima.fedrau@...il.com>,
	<marcelo.schmitt1@...il.com>, <linux-iio@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<Jianping.Shen@...bosch.com>, <Christian.Lorenz3@...bosch.com>,
	<Ulrike.Frauendorf@...bosch.com>, <Kai.Dolde@...bosch.com>
Subject: [PATCH v7 1/2] dt-bindings: iio: imu: smi240: add Bosch smi240

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

add devicetree binding for Bosch imu smi240.
The smi240 is a combined three axis angular rate and
three axis acceleration sensor module.

* The smi240 requires VDD and VDDIO
* Provides only spi interface.

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
Signed-off-by: Shen Jianping <Jianping.Shen@...bosch.com>
---
 .../bindings/iio/imu/bosch,smi240.yaml        | 51 +++++++++++++++++++
 1 file changed, 51 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..58f1411728f
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/imu/bosch,smi240.yaml
@@ -0,0 +1,51 @@
+# 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@...bosch.com>
+
+description:
+  Inertial Measurement Unit with Accelerometer and Gyroscope
+  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