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* iio: accel: bma180: BMA254 supportLinus Walleij2019-12-301-15/+93
| | | | | | | | | | | | | | | | | | | This adds support for the BMA254 variant of this accelerometer. The only difference for the simple IIO driver is that values are 12 bit and the temperature offset differs by 1 degree. Whilst wildcards in naming are normally frowned upon: The cases where I have labeled variables "25x" is where the models are identical, so as to make things easier for people that want to add support for BMA253 and BMA255. Cc: Peter Meerwald <pmeerw@pmeerw.net> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Cc: devicetree@vger.kernel.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio: accel: bma180: Use explicit member assignmentLinus Walleij2019-12-291-24/+44
| | | | | | | | | | | This uses the C99 explicit .member assignment for the variant data in struct bma180_part_info. This makes it easier to understand and add new variants. Cc: Peter Meerwald <pmeerw@pmeerw.net> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio: accel: bma180: Basic regulator supportLinus Walleij2019-12-291-0/+42
| | | | | | | | | | | This brings up the VDD and VDDIO regulators using the regulator framework. Platforms that do not use regulators will provide stubs or dummy regulators. Cc: Peter Meerwald <pmeerw@pmeerw.net> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio: accel: bma180: Add dev helper variableLinus Walleij2019-12-291-9/+10
| | | | | | | | | | Having a shorthand "dev" instead of &client->dev everywhere makes the code easier to read (more compact). Cc: Peter Meerwald <pmeerw@pmeerw.net> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 330Thomas Gleixner2019-06-051-4/+1
| | | | | | | | | | | | | | | | | | | | | | Based on 1 normalized pattern(s): this file is subject to the terms and conditions of version 2 of the gnu general public license see the file copying in the main directory of this archive 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 55 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190530000436.108941081@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* iio: accel: bma180: add mount matrix supportH. Nikolaus Schaller2019-04-041-1/+17
| | | | | | | | | | | This patch allows to read a mount-matrix device tree property and report to user-space or in-kernel iio clients. Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio:accel: drop assign iio_info.driver_module and iio_trigger_ops.ownerJonathan Cameron2017-08-221-2/+0
| | | | | | | | | The equivalent of both of these are now done via macro magic when the relevant register calls are made. The actual structure elements will shortly go away. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
* iio: accel: bma180: constify i2c_device_idArvind Yadav2017-08-201-1/+1
| | | | | | | | | i2c_device_id are not supposed to change at runtime. All functions working with i2c_device_id provided by <linux/i2c.h> work with const i2c_device_id. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio: accel: bma180: Add OF device ID tableJavier Martinez Canillas2017-03-191-2/+22
| | | | | | | | | | | | | The driver doesn't have a struct of_device_id table but supported devices are registered via Device Trees. This is working on the assumption that a I2C device registered via OF will always match a legacy I2C device ID and that the MODALIAS reported will always be of the form i2c:<device>. But this could change in the future so the correct approach is to have an OF device ID table if the devices are registered via OF. Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: accel: Prefer unsigned int to bare use of unsignedMiguel Robles2017-03-191-4/+4
| | | | | | | | Fix checkpatch warnings: WARNING: Prefer 'unsigned int' to bare use of 'unsigned' Signed-off-by: Miguel Robles <miguel.robles@farole.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: accel: bma180: use iio helper function to guarantee direct modeAlison Schofield2016-08-151-4/+5
| | | | | | | | | Replace the code that guarantees the device stays in direct mode with iio_device_claim_direct_mode() which does same. Signed-off-by: Alison Schofield <amsfield22@gmail.com> Cc: Daniel Baluta <daniel.baluta@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio:core: timestamping clock selection supportGregor Boirie2016-06-301-1/+1
| | | | | | | | | | | | | | | Adds a new per-device sysfs attribute "current_timestamp_clock" to allow userspace to select a particular POSIX clock for buffered samples and events timestamping. Following clocks, as listed in clock_gettime(2), are supported: CLOCK_REALTIME, CLOCK_MONOTONIC, CLOCK_MONOTONIC_RAW, CLOCK_REALTIME_COARSE, CLOCK_MONOTONIC_COARSE, CLOCK_BOOTTIME and CLOCK_TAI. Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Acked-by: Sanchayan Maity <maitysanchayan@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: Drop owner assignment from i2c_driverKrzysztof Kozlowski2015-07-111-1/+0
| | | | | | | | i2c_driver does not need to set an owner because i2c_register_driver() will set it. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: fix drivers that check buffer->scan_maskOctavian Purdila2015-03-071-1/+1
| | | | | | | | | | | | | | If the in-kernel push interface is used we may have a different masks on the device buffer and the kernel buffer and in this case the device should generate data for the reunion of the buffers, which is available at indio_dev->active_scan_mask. Compiled tested only except for bmc150-accel which was tested at runtime with the hardware. Signed-off-by: Octavian Purdila <octavian.purdila@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* staging: iio: fix up merge errorGreg Kroah-Hartman2014-09-221-1/+1
| | | | | | Fix up a build merge error in drivers/iio/accel/bma180.c that I caused. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Merge 3.17-rc6 into staging-next.Greg Kroah-Hartman2014-09-221-1/+1
|\ | | | | | | | | | | | | We want the fixes in there, and it resolves a merge issue with drivers/iio/accel/bma180.c Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * iio: accel: bma180: Fix indio_dev->trig assignmentSrinivas Pandruvada2014-08-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | This can result in wrong reference count for trigger device, call iio_trigger_get to increment reference. Refer to http://www.spinics.net/lists/linux-iio/msg13669.html for discussion with Jonathan. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Cc: Stable@vger.kernel.org
* | iio:bma180: Add BMA250 chip supportPeter Meerwald2014-09-141-31/+125
| | | | | | | | | | | | | | | | | | | | | | | | the BMA250 has only 10-bit resolution; while the data readout registers have identical layout, the configuration is completely different compared to the BMA180 datasheet: http://ae-bst.resource.bosch.com/media/products/dokumente/bma250/BST-BMA250-DS002-05.pdf Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* | iio:bma180: Implement _available sysfs attribute dynamicallyPeter Meerwald2014-09-141-11/+43
| | | | | | | | | | | | | | | | | | makes it easier to add more chip variants and removes redundancy: scales and frequencies are now stated just once Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* | iio:bma180: Prepare for accelerometer channels with different resolutionsPeter Meerwald2014-09-141-6/+6
| | | | | | | | | | | | | | | | | | allow to specify channels resolution and compute shift assuming 16-bit registers and MSB allocation Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* | iio:bma180: Introduce part-specific _config() and disable() codePeter Meerwald2014-09-141-10/+23
| | | | | | | | | | | | | | | | | | move part of bma180_init() to bma180_config() (split initialization and configuration code); configuration is heavily chip-specific Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* | iio:bma180: Introduce part_info to differentiate further chip variantsPeter Meerwald2014-09-141-10/+33
| | | | | | | | | | | | Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* | iio:bma180: Drop _update_scan_mode()Peter Meerwald2014-09-141-17/+1
| | | | | | | | | | | | | | | | statically allocate maximum size Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* | iio:bma180: Expose temperature channelPeter Meerwald2014-09-141-21/+59
| | | | | | | | | | | | | | | | 8-bit signed; 0 LSB @ 24 °C, 0.5 °C per LSB Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* | iio:bma180: Use bool instead of int for statePeter Meerwald2014-09-141-21/+15
| | | | | | | | | | | | Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* | iio:bma180: Rename BMA_180 to BMA180_Peter Meerwald2014-09-141-2/+2
| | | | | | | | | | | | Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* | iio:bma180: Prefix remaining tables and functions with bma18_Peter Meerwald2014-09-141-8/+8
| | | | | | | | | | | | | | | | and minor cleanups Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* | iio:bma180: Enable use of device without IRQPeter Meerwald2014-09-141-25/+29
|/ | | | | | Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio:bma180: Missing check for frequency fractional partPeter Meerwald2014-07-201-0/+2
| | | | | | | | | | | | | val2 should be zero This will make no difference for correct inputs but will reject incorrect ones with a decimal part in the value written to the sysfs interface. Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Cc: Stable@vger.kernel.org
* iio:bma180: Fix scale factors to report correct acceleration unitsPeter Meerwald2014-07-201-3/+3
| | | | | | | | | | | | | | | | | | | The userspace interface for acceleration sensors is documented as using m/s^2 units [Documentation/ABI/testing/sysfs-bus-iio] The fullscale raw values for the BMA80 corresponds to -/+ 1, 1.5, 2, etc G depending on the selected mode. The scale table was converting to G rather than m/s^2. Change the scaling table to match the documented interface. See commit 71702e6e, iio: mma8452: Use correct acceleration units, for a related fix. Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Cc: Stable@vger.kernel.org
* iio:accel:bma180: Make LOW_PASS_FILTER_3DB_FREQUENCY shared_by_typePeter Meerwald2014-02-151-2/+2
| | | | | | | | the property is not per-channel, but shared by type Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Kravchenko Oleksandr <x0199363@ti.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio:accel:bma180: Use modifier instead of index in channel specificationPeter Meerwald2014-02-081-8/+8
| | | | | | | | | | | | | This driver was not complying with the ABI and the purpose of this patch is to bring it inline so that userspace will correctly identify the channels. Should use channel modifiers (X/Y/Z), not channel indices timestamp channel has scan index 3, not 4 Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Kravchenko Oleksandr <x0199363@ti.com> Cc: Stable@vger.kernel.org Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio:accel:bma180 replaces IIO_ST macro with explicit entries to struct scan_typeJonathan Cameron2013-12-171-1/+6
| | | | | | | | | | | The IIO_ST macro no longer covers all the elements of struct scan_type and has this has lead to some bugs being introduced. The drivers are easier to follow with this structure being directly filled so that is now preferred. Signed-off-by: Jonathan Cameron <jic23@kernel.org> Acked-by: Lars-Peter Clausen <lars@metafoo.de>
* Merge 3.12-rc2 into staging-next.Greg Kroah-Hartman2013-09-251-2/+2
|\ | | | | | | | | | | | | | | This resolves the merge problem with two iio drivers that Stephen Rothwell pointed out. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * iio: Fix bma180 dev-to-indio_dev conversion in suspend/resumePeter Meerwald2013-09-211-2/+2
| | | | | | | | | | | | | | | | dev_to_iio_dev() is a false friend Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* | iio:bma180: Use iio_push_buffers_with_timestamp()Lars-Peter Clausen2013-09-211-5/+2
| | | | | | | | | | | | | | | | Makes the code shorter and a bit less ugly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* | iio: Remove unnecessary casts for iio_push_to_buffers()Lars-Peter Clausen2013-09-151-1/+1
|/ | | | | | | | Now that iio_push_to_buffers() takes a void pointer for the data parameter we can remove those casts to u8*. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: add Bosch BMA180 acceleration sensor driverOleksandr Kravchenko2013-08-281-0/+676
This patch adds IIO driver for Bosch BMA180 triaxial acceleration sensor. http://dlnmh9ip6v2uc.cloudfront.net/datasheets/ Sensors/Accelerometers/BST-BMA180-DS000-07_2.pdf Signed-off-by: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com> Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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