linux-kernel - [PATCH v2 2/5] dt-bindings: iio: magnetometer: qst: Add QMC5883L device tree binding

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Message-Id: <20250508120846.114262-1-brajeshpatil11@gmail.com>
Date: Thu,  8 May 2025 13:08:46 +0100
From: Brajesh Patil <brajeshpatil11@...il.com>
To: jic23@...nel.org,
	lars@...afoo.de,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org
Cc: linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	marcelo.schmitt1@...il.com,
	dlechner@...libre.com,
	Brajesh Patil <brajeshpatil11@...il.com>
Subject: [PATCH v2 2/5] dt-bindings: iio: magnetometer: qst: Add QMC5883L device tree binding

Signed-off-by: Brajesh Patil <brajeshpatil11@...il.com>
---
 .../iio/magnetometer/qst,qmc5883l.yaml        | 52 +++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/magnetometer/qst,qmc5883l.yaml

diff --git a/Documentation/devicetree/bindings/iio/magnetometer/qst,qmc5883l.yaml b/Documentation/devicetree/bindings/iio/magnetometer/qst,qmc5883l.yaml
new file mode 100644
index 000000000000..a2e6982a177d
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/magnetometer/qst,qmc5883l.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/magnetometer/qst,qmc5883l.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: QST QMC5883L 3-Axis Magnetometer
+
+maintainers:
+  - Brajesh Patil <brajeshpatil11@...il.com>
+
+description: |
+  The QMC5883L is a 3-axis magnetic sensor with I2C interface. It provides
+  measurements of magnetic field strength along X, Y and Z axes, as well as
+  temperature readings.
+
+properties:
+  compatible:
+    const: qst,qmc5883l
+
+  reg:
+    maxItems: 1
+    description: I2C slave address (0x0d)
+
+  mount-matrix:
+    description: |
+      A 3x3 rotation matrix describing how the magnetometer is mounted
+      on the device. This is used to orient the sensor measurements
+      to match the device's coordinate system.
+
+additionalProperties: false
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        magnetometer@0d {
+            compatible = "qst,qmc5883l";
+            reg = <0x0d>;
+            mount-matrix = "1", "0", "0",
+                           "0", "1", "0",
+                           "0", "0", "1";
+        };
+    };
+...
+
--
2.39.5