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Message-Id: <20250508120822.114060-1-brajeshpatil11@gmail.com>
Date: Thu, 8 May 2025 13:08:22 +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: devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-iio@...r.kernel.org,
marcelo.schmitt1@...il.com,
dlechner@...libre.com,
Brajesh Patil <brajeshpatil11@...il.com>
Subject: [PATCH v2 0/5] iio: magnetometer: Add QMC5883L driver support
This series introduces support for the QST QMC5883L 3-axis magnetometer,
a magnetic sensor with I2C interface.
The implementation follows standard IIO conventions and includes:
Patch 1/5: dt-bindings: vendor-prefixes
- Adds 'qst' prefix for QST Corporation
Patch 2/5: dt-bindings: iio: magnetometer - Adds QMC5883L bindings
- Adds compatible string and required properties
- Includes example device tree node
Patch 3/5: iio: magnetometer - Base driver implementation
- Basic register access via regmap
- X/Y/Z axis and temperature readings
- Triggered buffer support
- Initialization and core functionality
Patch 4/5: Extended sysfs attributes and configuration
- ODR (10-200Hz) and FSR (±2G/±8G) control
- Mode selection (standby/continuous)
- Oversampling ratio configuration (512-64)
- Status monitoring (DRDY/OVL flags)
- Available scale and sampling frequency attributes
Patch 5/5: Advanced features and power management
- Mount matrix support for orientation compensation
- Power management (suspend/resume)
- Control register features (soft reset, pointer rollover)
The driver has been tested on a Raspberry Pi 5 and all features have been verified.
Signed-off-by: Brajesh Patil <brajeshpatil11@...il.com>
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