iio: imu: mpu6050: Add support for the ICM 20600 IMU

The Invensense ICM-20600 is a 6-axis MotionTracking device that combines a
3-axis gyroscope and an 3-axis accelerometer. It is very similar to the
ICM20602 imu which is already supported by the mpu6050 driver. The main
difference is that the ICM-20600 has a different WHOAMI value.

Signed-off-by: Hermes Zhang <chenhuiz@axis.com>
Acked-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://lore.kernel.org/r/20230505054853.2155326-3-chenhuiz@axis.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

iio: imu: inv_mpu: Move exports to IIO_MPU6050 namespace

As these exports are only relevant to core module and users in the
bus specific modules, move them out of the main kernel namespace.

Includes using EXPORT_NS_GPL_DEV_PM_OPS() and the simplifications that
brings by allowing the compiler to remove unused struct dev_pm_ops
and callbacks without needing explicit __maybe_unused markings.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Cc: Linus Walleij <linus.walleij@linaro.org>

--
Dropped Linus' tag as the new patch is significantly different.

v2: Switch to more flexible version of EXPORT* macro from Paul.
Acked-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://lore.kernel.org/r/20220925155719.3316280-6-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

iio: imu: inv_mpu6050: Add support for ICM-20608-D

The difference between the ICM-20608-D and the other ICM-20608
variants is the addition of a DMP (Digital Motion Processor) core.
This difference is deemed substantial enough to change the WHOAMI
register value.
Since this driver doesn't currently acknowledge the exisence of
something like a DMP core, simply copy ICM-20608 except for the
aforementioned WHOAMI register.

Signed-off-by: Michael Srba <Michael.Srba@seznam.cz>
Acked-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://lore.kernel.org/r/20220323121550.16096-3-michael.srba@seznam.cz
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

iio: imu: inv_mpu6050: Make use of device properties

Convert the module to be property provider agnostic and allow
it to be used on non-OF platforms.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220203155920.18586-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

iio: imu: inv_mpu6050: Drop wrong use of ACPI_PTR()

ACPI_PTR() is more harmful than helpful. For example, in this case
if CONFIG_ACPI=n, the ID table left unused which is not what we want.

Instead of adding ifdeffery or attribute here and there, drop ACPI_PTR().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220203155920.18586-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

iio:imu:inv_mpu6050: Suppress clang W=1 warning about pointer to enum conversion.

Cast to a uintptr_t rather than directly to the enum.

As per the discussion in below linked media patch.

Link: https://lore.kernel.org/linux-media/CAK8P3a2ez6nEw4d+Mqa3XXAz0RFTZHunqqRj6sCt7Y_Eqqs0rw@mail.gmail.com/
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cc: Baptiste Mansuy <bmansuy@invensense.com>
Cc: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20211128172445.2616166-9-jic23@kernel.org

iio: imu: inv_mpu6050: Add support for MPU-6880

MPU-6880 seems to be very similar to MPU-6500 and it works
fine with some minor additions for the mpu6050 driver.

Add the necessary defines for it and make it use the same registers
as MPU-6500 but with a FIFO size of 4096.

Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Acked-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Cc: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Link: https://lore.kernel.org/r/20201202104656.5119-2-stephan@gerhold.net
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

iio: imu: inv_mpu6050_spi: Use vsprintf extension %pe for symbolic error name

Utilize %pe format specifier from vsprintf while printing error logs
with dev_err(). Discards the use of unnecessary explicit casting and
prints symbolic error name which might prove to be convenient during
debugging.

Signed-off-by: Nishant Malpani <nish.malpani25@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

iio: imu: inv_mpu6050: set power on/off only once during all init

This way there is no need anymore to export the power function to
i2c and spi modules.
Bus setup is done inside init when power is on and the result is
now checked.

Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

iio: imu: inv_mpu6050: add support of ICM20690

Same generation as ICM20602 but different registers.

Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

iio: imu: inv_mpu6050: add support of IAM20680

Automotive certified IMU, similar to ICM20608.

Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

iio: imu: inv_mpu6050: add support of ICM20609 & ICM20689

They are similar to ICM20608 chip.

Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

iio: imu: inv_mpu6050: cleanup of/acpi support

Use device_get_match_data for using of and acpi tables.
In spi support add missing mpu6515 and of match table.
Reorganize Kconfig to display chips grouped by generations.

Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

iio: imu: inv_mpu6050: delete not existing MPU9150 spi support

MPU9150 is i2c only.
Update Kconfig to delete in description chips that are i2c or
spi only.

Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282

Based on 1 normalized pattern(s):

this software is licensed under the terms of the gnu general public
license version 2 as published by the free software foundation and
may be copied distributed and modified under those terms this
program is distributed in the hope that it will be useful but
without any warranty without even the implied warranty of
merchantability or fitness for a particular purpose see the gnu
general public license for more details

extracted by the scancode license scanner the SPDX license identifier

GPL-2.0-only

has been chosen to replace the boilerplate/reference in 285 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141900.642774971@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

iio: imu: mpu6050: Add support for the ICM 20602 IMU

The Invensense ICM-20602 is a 6-axis MotionTracking device that
combines a 3-axis gyroscope and an 3-axis accelerometer. It is very
similar to the ICM-20608 imu which is already supported by the mpu6050
driver. The main difference is that the ICM-20602 has the i2c bus
disable bit in a separate register.

Signed-off-by: Randolph Maaßen <gaireg@gaireg.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

iio: imu: inv_mpu6050: fix user_ctrl register overwritten

When in spi mode, we are setting i2c disable bit in user_ctrl
register. But the register is overwritten after when turning fifo
on. So save user_ctrl init value and always use it when updating
the register.

Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

iio: imu: inv_mpu6050: use devm_* at init and delete remove

Use devm_* for iio_triggered_buffer_setup, iio_device_register,
iio_trigger_register. Delete unneeded inv_mpu6050_remove_trigger,
inv_mpu_core_remove, and inv_mpu_remove for spi driver.

Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

iio: imu: Add mpu9255 support to mpu6050 driver

Added support for the mpu9255 IMU to the mpu6050 driver. The
register map is the same as the other chips; the only driver
difference is the compatible string and the WHOAMI register
value.

Signed-off-by: Douglas Fischer <fischerdouglasc@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

iio:imu:mpu6050 add explicit mpu9250 support

The mpu9250 is a SIP containing an mpu6500 and an ak8975. If this was all
there was too it there would be no need for explicit handling in the driver.
Arguably the bindings would also only reflect the presence of an mpu6500 with
the ak8975 hanging off it, as the kernel doesn't care that they are in one
package.

However, the WHOAMI value changes as well so best to add explicit support.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>

iio:imu:mpu6050: icm20608 initial support

Introduce support for Invense ICM20608 IMU, a 6-axis motion tracking device
that combines a 3-axis gyroscope and a 3-axis accelerometer:
http://www.invensense.com/products/motion-tracking/6-axis/icm-20608-2

Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

iio: imu: mpu6050: fix possible NULL dereferences

Fix possible null dereferencing of i2c and spi driver data.

Signed-off-by: Matt Ranostay <matt.ranostay@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

iio: inv_mpu6050: Add explicit support for MPU9150

This device is a package containing a MPU6050-like sensor and an AK8975
magnetometer. The magnetometer component is supported by the existing
ak8975 driver.

This patch also rephrases the Kconfig descriptions.

Signed-off-by: Crestez Dan Leonard <leonard.crestez@intel.com>
Acked-by: Ge Gao <ggao@invensense.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

iio: inv_mpu6050: Add spi_device_id for INV_MPU6500

Signed-off-by: Crestez Dan Leonard <leonard.crestez@intel.com>
Acked-by: Ge Gao <ggao@invensense.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

iio: inv_mpu6050: Cleanup hw_info mapping

The hw_info array was indexed by enum inv_devices chip_type despite the
fact that the enumeration had more members than the array and was
ordered differently.

The patch cleans this up and adds explicit chip_types to i2c/spi/acpi
IDs. It also adds some stricter checks inside the driver core.

This happened to work so far because the differences between the
supported models are very minor.

Signed-off-by: Crestez Dan Leonard <leonard.crestez@intel.com>
Acked-by: Ge Gao <ggao@invensense.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

iio: imu: mpu6050: fix possible NULL dereferences

Fix possible null dereferencing of i2c and spi driver data.

Signed-off-by: Matt Ranostay <matt.ranostay@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

iio: imu: mpu6050: add mpu6500 register settings

Signed-off-by: Matt Ranostay <matt.ranostay@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

iio: imu: inv_mpu6050: Add SPI support for MPU6000

The only difference between the MPU6000 and the
MPU6050 is that the first also supports SPI.
Add SPI driver for this chip.

Signed-off-by: Adriana Reus <adriana.reus@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>