On Fri, 18 Oct 2024 15:52:32 +0200 <Jianping.Shen@xxxxxxxxxxxx> wrote: > From: Shen Jianping <Jianping.Shen@xxxxxxxxxxxx> > > Add the iio driver for bosch imu smi240. The smi240 is a combined > three axis angular rate and three axis acceleration sensor module > with a measurement range of +/-300°/s and up to 16g. This driver > provides raw data access for each axis through sysfs, and tiggered > buffer for continuous sampling. A synchronous acc and gyro sampling > can be triggered by setting the capture bit in spi read command. > Applied to the togreg branch of iio.git and pushed out as testing for 0-day to take a first look at it. Minor tweak needed due to the unaligned.h header moving to linux/ Thanks, Jonathan > dt-bindings: > v1 -> v2 > - Add more detail in description > - Add maintainer > - Add vdd and vddio power supply > - Use generic node name > - Order the properties according to DTS coding style > > v2 -> v3 > - Improve description > - Improve supply definition > - Make supply definition as required > - Add supply definition in example > > v3 -> v4 > - No changes > > v4 -> v5 > - No changes > > v5 -> v6 > - Fix checkpatch findings > > v6 -> v7 > - No changes > > v7 -> v8 > - No changes > > v8 -> v9 > - No changes > > imu driver: > v1 -> v2 > - Use regmap for register access > - Redefine channel for each singel axis > - Provide triggered buffer > - Fix findings in Kconfig > - Remove unimportant functions > > v2 -> v3 > - Use enum für capture mode > - Using spi default init value instead manual init > - remove duplicated module declaration > - Fix code to avoid warning > > v3 -> v4 > - Use DMA safe buffer > - Use channel info instead of custom ABI > - Fix other findings > > v4 -> v5 > - Merge the implementation in one simple file > - Add channel info for acc/gyro data channel > - Fix other findings > > v5 -> v6 > - Fix checkpatch findings > - Fix review findings > > v6 -> v7 > - Fix offset and scale > > v7 -> v8 > - Use memcpy in spi write to keep CPU endian > - Fix some minor findings > > v8 -> v9 > - remove unnecessary cpu_to_le16 for reg value in spi response > - use REGMAP_ENDIAN_NATIVE in regmap config to avoid regmap to flip the reg value when passing to spi write > > Shen Jianping (2): > dt-bindings: iio: imu: smi240: add Bosch smi240 > iio: imu: smi240: add driver > > .../bindings/iio/imu/bosch,smi240.yaml | 51 ++ > drivers/iio/imu/Kconfig | 14 + > drivers/iio/imu/Makefile | 2 + > drivers/iio/imu/smi240.c | 622 ++++++++++++++++++ > 4 files changed, 689 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/imu/bosch,smi240.yaml > create mode 100644 drivers/iio/imu/smi240.c >
