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* iio: accel: st_accel: Add support for Silan SC7A20Samuel Holland2022-02-181-0/+2
| | | | | | | | | | | | | This chip appears to be register-compatible with the LIS2DH. The new description is a copy of the LIS2DH's description with a different WAI value. Datasheet: http://linux-chenxing.org/silan/SC7A20-SilanMicroelectronics.pdf Datasheet: http://www.siitek.com.cn/Upfiles/down/SC7A20说明书_0.92(智能穿戴).pdf Signed-off-by: Samuel Holland <samuel@sholland.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20220202235049.8051-4-samuel@sholland.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio: accel: st_accel: use devm_iio_triggered_buffer_setup() for bufferAlexandru Ardelean2021-07-241-4/+0
| | | | | | | | | | | | | | | | The st_accel_allocate_ring() function calls iio_triggered_buffer_setup() to allocate a triggered buffer. But the same can be done with devm_iio_triggered_buffer_setup() and then the st_accel_common_remove() no longer needs to manually deallocate it. We know that the parent of the IIO device is used to manage other instances of the devm unwind, so it can be used in the st_accel_allocate_ring() as well. Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com> Link: https://lore.kernel.org/r/20210720074642.223293-2-aardelean@deviqon.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio: st_sensors: Make accel, gyro, magn and pressure probe sharedAndy Shevchenko2021-05-171-4/+0
| | | | | | | | | Some IMUs may utilize existing library code for STMicro accelerometer, gyroscope, magnetometer and pressure. Let's share them via st_sensors.h. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20210414195454.84183-5-andriy.shevchenko@linux.intel.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio: accel: st_accel: Move platform data from header to C fileAndy Shevchenko2021-05-171-8/+0
| | | | | | | | | | | | | | | Platform data is solely used by one file. Don't share it with others. While at it, drop unneeded anymore __maybe_unused and fix kernel doc to avoid warning: st_accel_core.c:1079: error: Cannot parse struct or union! by converting to a simple comment. It is described at the declaration. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20210414195454.84183-1-andriy.shevchenko@linux.intel.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio: accel: st_sensors: add support for LIS2HH12Gaëtan André2020-04-191-0/+2
| | | | | | | | | | | Add support for STMicroelectronics LISHH12 accelerometer in st_accel framework. https://www.st.com/resource/en/datasheet/lis2hh12.pdf Signed-off-by: Gaëtan André <rvlander@gaetanandre.eu> Reviewed-by: Stephan Gerhold <stephan@gerhold.net> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio: accel: st_accel: Mark default_accel_pdata with __maybe_unusedAndy Shevchenko2019-12-291-1/+1
| | | | | | | | | | | | | | | | Since we put static variable to a header file it's copied to each module that includes the header. But not all of them are actually used it. Mark default_accel_pdata with __maybe_unused to calm a compiler down: In file included from drivers/iio/accel/st_accel_i2c.c:19: drivers/iio/accel/st_accel.h:67:46: warning: ‘default_accel_pdata’ defined but not used [-Wunused-const-variable=] 67 | static const struct st_sensors_platform_data default_accel_pdata = { | ^~~~~~~~~~~~~~~~~~~ ... Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio:accel: introduce st_accel_get_settings() functionDenis Ciocca2019-07-271-0/+1
| | | | | | | | The function is introduced to retrieve accel device settings. It will be used by probe in order to configure regmap. Signed-off-by: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 177Thomas Gleixner2019-05-301-1/+1
| | | | | | | | | | | | | | | | | | | | | Based on 1 normalized pattern(s): licensed under the gpl 2 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 135 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Steve Winslow <swinslow@gmail.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190528170026.071193225@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* iio: accel: add support to LIS2DE12Robert Jones2019-04-141-0/+2
| | | | | | | | | | Add support to STMicroelectronics LIS2DE12 accelerometer in st_accel framework. http://www.st.com/resource/en/datasheet/lis2de12.pdf Signed-off-by: Robert Jones <rjones@gateworks.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio: st-accel: add support for lis3deHeiko Stuebner2018-11-161-0/+1
| | | | | | | | | | | This commit add support for STMicroelectronics lis3de accelerometer. Datasheet for this device can be found here: https://www.st.com/resource/en/datasheet/lis3de.pdf Signed-off-by: Heiko Stuebner <heiko.stuebner@bq.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio: accel: add support to LIS3DHHLorenzo Bianconi2017-10-101-0/+2
| | | | | | | | | add support to STMicroelectronics LIS3DHH accel sensor http://www.st.com/resource/en/datasheet/lis3dhh.pdf Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio: accel: add support to LIS2DW12Lorenzo Bianconi2017-10-091-0/+2
| | | | | | | | | | | add support to STMicroelectronics LIS2DW12 accelerometer in st_accel framework http://www.st.com/resource/en/datasheet/lis2dw12.pdf Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio: accel: st_accel: rename H3LIS331DL_DRIVER_NAME in H3LIS331DL_ACCEL_DEV_NAMELorenzo Bianconi2017-07-091-1/+1
| | | | | | | | In order to use the standard name convention rename H3LIS331DL_DRIVER_NAME macro in H3LIS331DL_ACCEL_DEV_NAME Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio: accel: st_accel_i2c: fix i2c_device_id tableLorenzo Bianconi2017-07-091-0/+3
| | | | | | | | | | Add H3LIS331DL, LIS331DL and LIS3LV02DL entries in st_accel_id_table Fixes: 1e52fefc9b0c (iio: accel: Add support for the h3lis331dl accel) Fixes: bbf5f037fad4 (iio: st_accel: support the LIS331DL sensor) Fixes: 3acddf74f807 (iio: st-sensors: add support for lis3lv02d accel) Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio: st_accel: Support sensor i2c probe using acpiShrirang Bagul2016-12-031-0/+18
| | | | | | | | Add support to probe st_accel sensors on i2c bus using ACPI. Compatible strings are not avaialable on ACPI based systems. Signed-off-by: Shrirang Bagul <shrirang.bagul@canonical.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: accel: st_accel: add support to lng2dmLorenzo Bianconi2016-11-011-0/+1
| | | | | | | | add support to STMicroelectronics LNG2DM accelerometer to st_accel framework Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: accel: st_accel: Add lis3l02dq supportJonathan Cameron2016-07-041-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Time to finally kill off the venerable (it was one of my first drivers) lis3l02dq driver in favour of adding support in the st sensors framework. This does loose us the event support that driver always had, but I think that will reappear at some point and in the meantime the maintenance advantages of dropping the 'special' driver for this one part outweigh the issues. It's worth noting this part is ancient and I may well be the only person who still has any on hardware running recent kernels. It has a few 'quirks'. - No WAI register so that just became optional. - A BDU option that really does block updates. Completely. Whatever you do, you don't get any more data with it set. It is documented the same as more modern parts but I presume they are actually clearing for updates after a read of both bytes! - Fixed scale. - It's too quick. Even at slowest rate (280Hz) I can't read out fast enough on my board (stargate 2) to beat new data coming in. Linus' repeat read patch doesn't help in this case. It just means I get 10 readings before dying... So in reality this will get used with software triggers only unless someone has this long out of production device on a quick board. Signed-off-by: Jonathan Cameron <jic23@kernel.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Cc: Denis CIOCCA <denis.ciocca@st.com> Cc: Crestez Dan Leonard <leonard.crestez@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: accel: Add support for the h3lis331dl accelerometerTiberiu Breana2016-03-121-0/+1
| | | | | | | | | | | | | This commit adds support for STMicroelectronics h3lis331dl high-g accelerometer. The datasheet for this device can be found here: http://www.st.com/web/en/resource/technical/document/ datasheet/DM00053090.pdf Signed-off-by: Tiberiu Breana <tiberiu.a.breana@intel.com> Reviewed-by: Denis Ciocca <denis.ciocca@st.com> Acked-by: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: st-accel: add support for lis2dh12Giuseppe Barba2015-11-141-0/+1
| | | | | | | | | | | | | This commit add support for STMicroelectronics lis2dh12 accelerometer. Datasheet for this device can be found here: http://www.st.com/st-web-ui/static/active/en/resource/technical/ document/datasheet/DM00091513.pdf Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com> Acked-by: Denis Ciocca <denis.ciocca@st.com> Acked-by: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: st-accel: add support for lsm303agr accelerometerGiuseppe Barba2015-07-231-0/+1
| | | | | | | | This adds support for the lsm303agr accelerometer. Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com> Acked-by: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: st_accel: support the LIS331DL sensorLinus Walleij2015-06-081-0/+1
| | | | | | | | | This adds support for the LIS331DL sensor version. This is a simple 8bit-only accelerometer. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: st-sensors: add support for lis3lv02d accelerometerLinus Walleij2015-03-281-0/+1
| | | | | | | | | | | This adds support for the LIS3LV02 accelerometer found in the ST Microelectronics Nomadik board series. Cc: devicetree@vger.kernel.org Cc: Denis CIOCCA <denis.ciocca@st.com> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio:accel: Removed unnecessary parameter on common_probe functionDenis CIOCCA2014-10-041-2/+1
| | | | | Signed-off-by: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: Added ST-sensors platform data to select the DRDY interrupt pinDenis CIOCCA2013-08-031-1/+10
| | | | | | | | This patch add support to redirect the DRDY interrupt on INT1 or INT2 on accelerometer and pressure sensors. Signed-off-by: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio:accel: Add STMicroelectronics accelerometers driverDenis Ciocca2013-01-311-0/+47
This patch adds a generic accelerometer driver for STMicroelectronics accelerometers, currently it supports: LSM303DLH, LSM303DLHC, LIS3DH, LSM330D, LSM330DL, LSM330DLC, LIS331DLH, LSM303DL, LSM303DLM, LSM330. Signed-off-by: Denis Ciocca <denis.ciocca@st.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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