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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers:
- Add STMPE ADC Input driver
- Add STMicroelectronics STPMIC1 Parent driver
- Add STMicroelectronics STPMIC1 OnKey Misc driver
- Add STMicroelectronics STPMIC1 Watchdog driver
- Add Cirrus Logic Lochnagar Parent driver
- Add TQ-Systems TQMX86 Parent driver
New Device Support:
- Add support for ADC to STMPE
New (or moved) Functionality:
- Move Lightbar functionality to its own driver; cros_ec_lightbar
- Move VBC functionality to its own driver; cros_ec_vbc
- Move VBC functionality to its own driver; cros_ec_vbc
- Move DebugFS functionality to its own driver; cros_ec_debugfs
- Move SYSFS functionality to its own driver; cros_ec_sysfs
- Add support for input voltage options; tps65218
Fixes:
- Use devm_* managed resources; cros_ec
- Device Tree documentation; stmpe, aspeed-lpc, lochnagar
- Trivial Clean-ups; stmpe
- Rip out broken modular code; aat2870-core, adp5520, as3711,
db8500-prcmu, htc-i2cpld, max8925-core, rc5t583, sta2x11-mfd,
syscon, tps65090, tps65910, tps68470 tps80031, wm831x-spi,
wm831x-i2c, wm831x-core, wm8350-i2c, wm8350-core, wm8400-core
- Kconfig fixups; INTEL_SOC_PMIC
- Improve error path; sm501, sec-core
- Use struct_size() helper; sm501
- Constify; at91-usart
- Use pointers instead of copying data; at91-usart
- Deliver proper return value; cros_ec_dev
- Trivial formatting/whitespace; sec-core"
* tag 'mfd-next-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (53 commits)
mfd: mxs-lradc: Mark expected switch fall-through
mfd: sec-core: Cleanup formatting to a consistent style
mfd: tqmx86: IO controller with I2C, Wachdog and GPIO
mfd: intel-lpss: Move linux/pm.h to the local header
mfd: cros_ec_dev: Return number of bytes read with CROS_EC_DEV_IOCRDMEM
mfd: tps68470: Drop unused MODULE_DEVICE_TABLE
mfd: at91-usart: No need to copy mfd_cell in probe
mfd: at91-usart: Constify at91_usart_spi_subdev and at91_usart_serial_subdev
mfd: lochnagar: Add support for the Cirrus Logic Lochnagar
mfd: lochnagar: Add initial binding documentation
dt-bindings: mfd: aspeed-lpc: Make parameter optional
mfd: sec-core: Return gracefully instead of BUG() if device cannot match
mfd: sm501: Use struct_size() in devm_kzalloc()
mfd: sm501: Fix potential NULL pointer dereference
mfd: Kconfig: Fix I2C_DESIGNWARE_PLATFORM dependencies
mfd: tps65218.c: Add input voltage options
mfd: wm8400-core: Make it explicitly non-modular
mfd: wm8350-core: Drop unused module infrastructure from non-modular code
mfd: wm8350-i2c: Make it explicitly non-modular
mfd: wm831x-core: Drop unused module infrastructure from non-modular code
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'ib-mfd-platform-5.1' into ibs-for-mfd-merged
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This adds an ADC driver for the STMPE device using the industrial
input/output interface. The driver supports raw reading of values.
The driver depends on the MFD STMPE driver. If the touchscreen
block is enabled too, only four of the 8 ADC channels are available.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO updates from Greg KH:
"Here is the big staging/iio driver pull request for 5.1-rc1.
Lots of good IIO driver updates and cleanups in here as always.
Combined with the removal of the xgifb driver, we have a net "loss" of
over 9000 lines in the pull request, always a nice thing.
As the outreachy application process is currently happening, there are
loads of tiny checkpatch cleanup fixes all over the staging tree,
which accounts for the majority of the fixups"
* tag 'staging-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (341 commits)
staging: mt7621-dma: remove license boilerplate text
staging: mt7621-dma: add SPDX GPL-2.0+ license identifier
Staging: ks7010: Replace typecast to int
Staging: vt6655: Align a static function declaration
staging: speakup: fix line over 80 characters.
staging: mt7621-eth: Remove license boilerplate text
staging: mt7621-eth: Add SPDX license identifier
staging: ks7010: removed custom Michael MIC implementation.
staging: rtl8192e: Fix space and suspect issue
Staging: vt6655: Modify comment style of SPDX License Identifier
Staging: vt6655: Modify comment style for SPDX-License-Identifier
Staging: vt6655: Align a function declaration
Staging: vt6655: Alignment of function declaration
staging: rtl8712: Fix indentation issue
staging: wilc1000: fix incorrent type in initializer
staging: rtl8188eu: remove unused P2P_PRIVATE_IOCTL_SET_LEN
staging: rtl8188eu: remove unused enum P2P_PROTO_WK_ID
staging: rtl8723bs: Remove duplicated include from drv_types.h
Staging: vt6655: Alignment should match open parenthesis
staging: erofs: fix mis-acted TAIL merging behavior
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Second set of new device support, features and cleanup for IIO in the 5.1 cycle.
There are a few late breaking fixes in here that weren't worth trying to
rush into 5.0 as they have been with us for quite a while.
New device support
* ad7476
- add support for TI ADS786X parts that are compatible with this Analog
Devices driver. Good to see some simple devices are so similar.
* Ingenic jz47xx SoC ADCs
- new driver and bindings
* Plantower PMS7003 partical sensor
- new driver and bindings including vendor prefix.
* TI DAC7612
- new driver and bindings for this dual DAC.
New features
* ad7768-1
- Sampling frequency control
* bmi160
- Data ready trigger support, including open-drain dt binding.
Cleanup / minor fixes.
* Analog Device DACs
- Fix some inconsistent licenses. These are only ones where there were
two different license marked in the same file, and hence were previously
unclear.
* ads124s08
- Spelling fix.
* adxl345
- Parameter alignement tidy up.
* bmi160
- SPDX
- correct a note on the types of supported interrupts which was too strict.
- use iio_pollfunc_store_time to grab an earlier timestamp.
- use if (ret) instead of if (ret < 0) to be consistent whilst simplifying
some handling where ret was effectively getting written to 0 even though
it was always already 0.
* exynos_adc
- Fix a null pointer dereference on unbind.
- Fix number of channels on Exynos4x12 devices to be 4 rather than 8.
* lpc32xx-adc
- Move DT bindings doc out of staging. Oops, I missed this one when
moving the driver.
- SPDX.
* npcm-adc
- drop documentation of reset node as going to be done differently.
It's a new driver this cycle so no need to support the previous
binding going forwards.
* sps30
- Fix an issue with a loop timeout test that meant it would never identify
a timeout.
- Mark deliberate switch fall throughs.
* tag 'iio-for-5.1b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (26 commits)
iio: adc: exynos-adc: Use proper number of channels for Exynos4x12
dt-binding: iio: remove rst node from NPCM ADC document
dt-bindings: iio: chemical: pms7003: add device tree support
dt-bindings: add Plantower to the vendor prefixes
iio: chemical: add support for Plantower PMS7003 sensor
iio:chemical:sps30 Supress some switch fallthrough warnings.
iio:adc:lpc32xx use SPDX-License-Identifier
dt-bindings: iio: adc: move lpc32xx-adc out of staging
iio: adc: ads124s08: fix spelling mistake "converions" -> "conversions"
iio: adc: exynos-adc: Fix NULL pointer exception on unbind
iio: chemical: sps30: fix a loop timeout test
iio:accel:adxl345: Change alignment to match paranthesis
iio:dac:dac7612: device tree bindings
iio:dac:ti-dac7612: Add driver for Texas Instruments DAC7612
iio: adc: ad7476: Add support for TI ADS786X ADCs
iio: adc: ad7768-1: Add support for setting the sampling frequency
drivers: iio: dac: Fix wrong license for ADI drivers
IIO: add Ingenic JZ47xx ADC driver.
dt-bindings: iio/adc: Add bindings for Ingenic JZ47xx SoCs ADC.
dt-bindings: iio/adc: Add docs for Ingenic JZ47xx SoCs ADC.
...
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Exynos4212 and Exynos4412 have only four ADC channels so using
"samsung,exynos-adc-v1" compatible (for eight channels ADCv1) on them is
wrong. Add a new compatible for Exynos4x12.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add support for Plantower PMS7003 particulate matter sensor.
Signed-off-by: Tomasz Duszynski <tduszyns@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Fixes warnings reported on linux-next but marking one path
and adding an explicit return in the other.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Andreas Brauchli <a.brauchli@elementarea.net>
Acked-by: Tomasz Duszynski <tduszyns@gmail.com>
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Convert the driver to SPDX license description which allow removing
several lines in the file.
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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There is a spelling mistake in several dev_err messages. Fix these.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Fix NULL pointer exception on device unbind when device tree does not
contain "has-touchscreen" property. In such case the input device is
not registered so it should not be unregistered.
$ echo "12d10000.adc" > /sys/bus/platform/drivers/exynos-adc/unbind
Unable to handle kernel NULL pointer dereference at virtual address 00000474
...
(input_unregister_device) from [<c0772060>] (exynos_adc_remove+0x20/0x80)
(exynos_adc_remove) from [<c0587d5c>] (platform_drv_remove+0x20/0x40)
(platform_drv_remove) from [<c05860f0>] (device_release_driver_internal+0xdc/0x1ac)
(device_release_driver_internal) from [<c0583ecc>] (unbind_store+0x60/0xd4)
(unbind_store) from [<c031b89c>] (kernfs_fop_write+0x100/0x1e0)
(kernfs_fop_write) from [<c029709c>] (__vfs_write+0x2c/0x17c)
(__vfs_write) from [<c0297374>] (vfs_write+0xa4/0x184)
(vfs_write) from [<c0297594>] (ksys_write+0x4c/0xac)
(ksys_write) from [<c0101000>] (ret_fast_syscall+0x0/0x28)
Fixes: 2bb8ad9b44c5 ("iio: exynos-adc: add experimental touchscreen support")
Cc: <stable@vger.kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The "while (tries--) {" loop is a postop so it exits with "tries" set
to -1.
Fixes: 232e0f6ddeae ("iio: chemical: add support for Sensirion SPS30 sensor")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Align broken line to match upper line parenthesis. Solves the
checkpatch.pl's message:
CHECK: Alignment should match open parenthesis
Signed-off-by: Luciana da Costa Marques <lucianadacostamarques@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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It is a driver for Texas Instruments Dual, 12-Bit Serial Input
Digital-to-Analog Converter.
Datasheet of this chip:
http://www.ti.com/lit/ds/sbas106/sbas106.pdf
Signed-off-by: Ricardo Ribalda Delgado <ricardo@ribalda.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add support for Texas Instruments ADS7866, ADS7867 and ADS7868
8/10/12 bit Single channel ADC.
Datasheet: http://www.ti.com/lit/ds/symlink/ads7868.pdf
Signed-off-by: Ricardo Ribalda Delgado <ricardo@ribalda.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The AD7768-1 core ADC receives a master clock signal (MCLK). The MCLK
frequency combined with the MCLK division and the digital filter
decimation rates, determines the sampling frequency. Along with
MCLK_DIV, the power mode is also configured according to datasheet
recommendations.
From user space, available sampling frequencies can be read. However,
it is not required for an exact value to be entered, since the driver
will look for the closest available match.
When the device configuration changes (for example, if the filter
decimation rate changes), a SYNC_IN pulse is required.
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Analog Devices drivers are typically GPL v2 only. This patch fixes the
inconsistencies between the module license and SPDX.
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add an IIO driver for the ADC hardware present on Ingenic JZ47xx SoCs.
Signed-off-by: Artur Rojek <contact@artur-rojek.eu>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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We are using "if (ret < 0)" in many places in which the function returns 0
on success. Use "if (ret)" instead for better clarity and correctness.
Signed-off-by: Martin Kelly <martin@martingkelly.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Currently, we snap the timestamp after reading from the buffer and
processing the event. When the IIO poll function is triggered by an
interrupt, we can get a slightly more accurate timestamp by snapping it
prior to reading the data, since the data was already generated prior to
entering the trigger handler. This is not going to make a huge difference,
but we might as well improve slightly.
Do this by using iio_pollfunc_store_time as other drivers do.
Signed-off-by: Martin Kelly <martin@martingkelly.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add interrupt support for the data ready signal on the BMI160, which fires
an interrupt whenever new accelerometer/gyroscope data is ready to read.
Signed-off-by: Martin Kelly <martin@martingkelly.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add SPDX identifiers (GPL 2) for the BMI160 driver. bmi160.h had an
identifier, but the other files did not.
Signed-off-by: Martin Kelly <martin@martingkelly.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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We need the staging fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
First set of new device support, features and cleanup for IIO in the 5.1 cycle
A number of interesting new devices supported plus a good set of staging
cleanup including one graduation and one drop.
New device support
* ad56886
- Add support for AD5674R/AD5679R with some minor driver changes to support
more channels.
* ad7768
- New driver and dt bindings for this 24 bit ADC.
* max44009
- New driver and dt bindings for this ambient light sensor.
* mpu6050
- Support the ICM 20602 IMU. Minor tweaks due to slightly different
register map.
* NPCM adc
- New driver and dt bindings for this BMC ADC.
* Sensiron SGP30
- Modifiers for ethanol and H2.
- New driver and dt bindings.
- Follow patch added self cleaning support.
* Sensiron SPS30
- New channel type for mass concentration.
- New driver and bindings.
- Minor tidy up patch followed (drop fmt specifier as unused)
* st_pressure
- lps22hh support. ID plus information structures and dt bindings.
* ti-ads124s08
- Add binding doc and driver.
Staging graduations
* ad7606 driver and bindings.
Staging drops
* ad7152 CDC driver dropped. This part is near EoL and no one is known
to be using it. If anyone surfaces obviously we can bring the driver
back. If not, good to drop it to avoid wasting anyone's time cleaning
it up.
New features
* bme680
- DT support and bindings doc.
* isl29018
- Add regulator for VCC.
* mag3110
- Add regulators for supplies.
* meson-saradc
- Support the temperature sensors of more SoCs.
* mma8452
- Add regulators for power suplies and binding docs to reflect them.
* st-accel
- Support the undocumented but it seems fairly common _ONT ACPI method
to specify orientation of the sensor.
Cleanup, minor fixes and fixes for staging driver that have been broken a
long time
* ad5933
- Drop platform data alternative to specifying the reference voltage
using a regulator.
- Use the clock framework to contorl the reference clock.
- Add a DT binding doc to cover the defacto binding.
* ad7280a
- Split up some big functions to improve readability.
* ad7606
- Allow for timeout if interrupt never occurs.
- Use devm functions to simplify probe and remove.
- Use the find_closest macro to avoid need for precise values from
userspace.
- Add missing vendor prefixes for various DT properties. Note the
driver is in staging still and there are no known devicetrees.
- Add explict OF device ID table.
- Simplify the Kconfig choices
- Change to a threaded IRQ.
- SPDX and simple stype fixes.
* ad7816
- Drop unnecessary variable init.
* ad9523
- Check a return value that was ignored.
* ad9833
- Drop platform data. It was just setting most values to the hardware
defaults.
- Use the clock framework to provide the input clock.
* adt7316 (lots of staging cleanup)
- Fix some wrong register / bit definitions
- Invert the logic of the check for an ldac pin so it actually makes sense.
- Read the right register to get internal vref settings
- Allow adt751x chips to use the internal vref for all DAC channels rather
than a subset.
- Remove dac vref bypass control from parts that don't have one.
- Make the store DAC update mode function consistent with the show one.
- Fix some spellings and other minor tidy up.
- Avoid passing irq numbers around by putting all the irq logic in
one place.
- Fix an issue with the resolution of DAC control.
- Fix support of the high resolution DAC mode (for temp proportional output)
where supported.
- Fix DAC read and write calculations.
* st_lsm6dsx
- Drop an unused variable (set but not read)
* xilinx-xadc
- Check an unhandled return value.
* tag 'iio-for-5.1a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (67 commits)
iio: chemical: sps30: remove printk format specifier
staging: iio: frequency: ad9833: Load clock using clock framework
staging: iio: frequency: ad9833: Get frequency value statically
dt-bindings: iio: light: Add max44009
iio: light: add driver for MAX44009
dt-bindings: iio: adc: Add docs for AD7768-1
iio: adc: Add AD7768-1 ADC basic support
staging: iio: cdc: ad7152: remove driver completely
iio: imu: mpu6050: Add support for the ICM 20602 IMU
dt-bindings: iio: imu: add icm20602 bindings to mpu6050
dt-bindings: iio: pressure: add LPS22HH bindings
iio: st_accel: use ACPI orientation data
iio: adc: add NPCM ADC driver
dt-binding: iio: add NPCM ADC documentation
iio: chemical: sps30: allow changing self cleaning period
dt-bindings: iio: chemical: Add bindings for bme680
iio: chemical: bme680: Add device-tree support
iio:st_pressure:initial lps22hh sensor support
iio: accell: mma8452: add vdd/vddio regulator operation support
dt-bindings: iio: accel: mma8452: add power supplies property
...
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pr_fmt is used by printk wrappers. There are not any in the driver
code so remove the format specifier.
Signed-off-by: Tomasz Duszynski <tduszyns@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The MAX44009 is a low-power ambient light sensor from Maxim
Integrated. It differs from the MAX44000 in that it doesn't have
proximity sensing and that it requires far less current (1 micro-amp
vs 5 micro-amps). The register mapping and feature set between the
two are different enough to require a new driver for the MAX44009.
Developed and tested with a BeagleBone Black and UDOO Neo (i.MX6SX)
Supported features:
* Reading lux (processed value)
* Rising and falling illuminance threshold
events
* Configuring integration time
https://datasheets.maximintegrated.com/en/ds/MAX44009.pdf
Signed-off-by: Robert Eshleman <bobbyeshleman@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The ad7768-1 is a single channel, precision 24-bit analog to digital
converter (ADC).
This basic patch configures the device in fast mode, with 32 kSPS and
leaves the default sinc5 filter.
Two data conversion modes are made available. When data is retrieved by
using the read_raw attribute, one shot single conversion mode is set.
The continuous conversion mode is enabled when the triggered buffer
mechanism is used. To assure correct data retrieval, the driver waits
for the interrupt triggered by the low to high transition of the DRDY
pin.
Datasheets:
Link: https://www.analog.com/media/en/technical-documentation/data-sheets/ad7768-1.pdf
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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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>
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Platform-specific ST accelerometer mount matrix information can be
provided by returning a package of 6 integers from the ACPI _ONT
method. This has been seen on Acer products such as Veriton Z4860G,
Z6860G and A890, which include a ST SMO8840 sensor. We have also
confirmed experimentally that the Windows driver uses such information.
The _ONT data format was explained by a ST vendor contact. However,
strangely enough, the _ONT transformations must be applied after first
applying another mount matrix which we determined experimentally. ST
have not commented on why this is the case, but we imagine that perhaps
earlier devices (before _ONT was introduced) required this translation
and hence it became 'standard.'
Interpret the _ONT data and export the equivalent mount matrix to
userspace.
If no _ONT data is present, no mount matrix is exported.
Signed-off-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add Nuvoton NPCM BMC Analog-to-Digital Converter(ADC) driver.
The NPCM ADC is a 10-bit converter for eight channel inputs.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Sensor can periodically trigger self cleaning. Period can be changed by
writing a new value to a dedicated attribute. Upon attribute read
current period gets returned.
Signed-off-by: Tomasz Duszynski <tduszyns@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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This commit allow the driver to work with device-tree.
Signed-off-by: Sebastien Bourdelin <sebastien.bourdelin@gmail.com>
Acked-by: Himanshu Jha <himanshujha199640@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Initial support for ST LPS22HH pressure sensor. Datasheet:
http://www2.st.com/resource/en/datasheet/lps22hh.pdf
Features:
* pressure, temperature data and timestamping channels
* sampling frequency selection [1..200] Hz
* interrupt based trigger
* over I2C or SPI interface
Signed-off-by: mario tesi <mario.tesi@st.com>
Acked-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The accelerometer's power supply could be controllable on some
platforms, such as i.MX6Q-SABRESD board, the mma8451's power supplies
are controlled by a GPIO fixed regulator, need to make sure the
regulators are enabled before any communication with mma8451, this
patch adds vdd/vddio regulator operation support.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Acked-by: Martin Kepplinger <martink@posteo.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The light sensor's power supply could be controllable by regulator
on some platforms, such as i.MX6Q-SABRESD board, the light sensor
isl29023's power supply is controlled by a GPIO fixed regulator,
need to make sure the regulator is enabled before any operation of
sensor, this patch adds vcc regulator operation support.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The magnetometer's power supplies could be controllable on some platforms,
such as i.MX6Q-SABRESD board, the mag3110's power supplies are controlled
by a GPIO fixed regulator, need to make sure the regulators are enabled
before any communication with mag3110, this patch adds vdd/vddio regulator
operation support.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The AD5674R/AD5679R are low power, 16-channel, 12-/16-bit buffered voltage
output digital-to-analog converters (DACs). They include a 2.5 V internal
reference (enabled by default).
These devices are very similar to AD5684R/AD5686R, except that they have 16
channels.
Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Introduce the TI ADS124S08 and the ADS124S06 ADC
devices from TI. The ADS124S08 is the 12 channel ADC
and the ADS124S06 is the 6 channel ADC device
These devices share a common datasheet:
http://www.ti.com/lit/gpn/ads124s08
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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In function xadc_probe, xadc_write_adc_reg can return an error value
when write fails. The fix checks for the return value consistent with
other invocations of the latter function.
Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Meson8b and Meson8m2 use the same logic to convert the ADC register
value to celsius, which is different from Meson8:
- Meson8 has different multiplier and divider values
- Meson8 uses a 4-bit TSC (temperature sensor coefficient) which fits
into the 4-bit field in the MESON_SAR_ADC_DELTA_10 register:
MESON_SAR_ADC_DELTA_10_TS_C_MASK. Meson8b and Meson8m2 have a 5-bit
TSC which requires writing the upper-most bit into the
MESON_HHI_DPLL_TOP_0[9] register from the HHI register area.
This adds support for the temperature sensor on the Meson8b and Meson8m2
SoCs by implementing the logic to write the upper-most TSC bit into the
HHI register area. The SoC-specific values (temperature_trimming_bits,
temperature_multiplier, temperature_divider) are added - these simply
integrate into the existing infrastructure (which was implemented for
Meson8) and thus require no further changes to the existing temperature
calculation logic.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Move ad7606 ADC driver out of staging and into the mainline.
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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If ad9523_write() fails, indio_dev may get incorrect data. The fix
inserts a check for the return value of ad9523_write(), and it fails,
returns an error.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Self cleaning is especially useful in cases where sensor undergoes
frequent power on/off cycles. In such scenarios it is recommended to
turn self cleaning at least once per week in order to maintain reliable
measurements.
Self cleaning is activated by writing 1 to a dedicated attribute.
Internal fan accelerates to its maximum speed and keeps spinning
for about 10 seconds blowing out accumulated dust.
Signed-off-by: Tomasz Duszynski <tduszyns@gmail.com>
Tested-by: Andreas Brauchli <andreas.brauchli@sensirion.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c: In function 'st_lsm6dsx_shub_read_reg':
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c:108:41: warning:
variable 'hub_settings' set but not used [-Wunused-but-set-variable]
It never used since introduction in commit c91c1c844ebd ("iio: imu: st_lsm6dsx:
add i2c embedded controller support")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Support Sensirion SGP30 and SGPC3 multi-pixel I2C gas sensors
Supported Features:
* Indoor Air Quality (IAQ) concentrations for
- tVOC (in_concentration_voc_input)
- CO2eq (in_concentration_co2_input) - SGP30 only
IAQ concentrations are periodically read out by a background thread
to allow the sensor to maintain its internal baseline.
* Gas concentration signals
- Ethanol (in_concentration_ethanol_raw)
- H2 (in_concentration_h2_raw) - SGP30 only
https://www.sensirion.com/file/datasheet_sgp30
https://www.sensirion.com/file/datasheet_sgpc3
Signed-off-by: Andreas Brauchli <andreas.brauchli@sensirion.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add support for Sensirion SPS30 particulate matter sensor.
Signed-off-by: Tomasz Duszynski <tduszyns@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Measuring particulate matter in ug / m3 (micro-grams per cubic meter)
is de facto standard. Existing air quality sensors usually follow
this convention and are capable of returning measurements using
this unit.
IIO currently does not offer suitable channel type for this
type of measurements hence this patch adds this.
In addition, extra modifiers are introduced used for distinguishing
between fine pm1, pm2p5 and coarse pm4, pm10 particle measurements, i.e
IIO_MOD_PM1, IIO_MOD_PM25 and IIO_MOD_PM4, IIO_MOD_PM10.
pmX consists of particles with aerodynamic diameter less or equal to
X micrometers.
Signed-off-by: Tomasz Duszynski <tduszyns@gmail.com>
Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The pm8xxx_get_channel() implementation is unclear, and causes gcc to
suddenly generate odd warnings. The trigger for the warning (at least
for me) was the entirely unrelated commit 79a4e91d1bb2 ("device.h: Add
__cold to dev_<level> logging functions"), which apparently changes gcc
code generation in the caller function enough to cause this:
drivers/iio/adc/qcom-pm8xxx-xoadc.c: In function ‘pm8xxx_xoadc_probe’:
drivers/iio/adc/qcom-pm8xxx-xoadc.c:633:8: warning: ‘ch’ may be used uninitialized in this function [-Wmaybe-uninitialized]
ret = pm8xxx_read_channel_rsv(adc, ch, AMUX_RSV4,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
&read_nomux_rsv4, true);
~~~~~~~~~~~~~~~~~~~~~~~
drivers/iio/adc/qcom-pm8xxx-xoadc.c:426:27: note: ‘ch’ was declared here
struct pm8xxx_chan_info *ch;
^~
because gcc for some reason then isn't able to see that the termination
condition for the "for( )" loop in that function is also the condition
for returning NULL.
So it's not _actually_ uninitialized, but the function is admittedly
just unnecessarily oddly written.
Simplify and clarify the function, making gcc also see that it always
returns a valid initialized value.
Cc: Joe Perches <joe@perches.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Andy Gross <andy.gross@linaro.org>
Cc: David Brown <david.brown@linaro.org>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Hartmut Knaack <knaack.h@gmx.de>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First set of IIO fixes for the 5.0 cycle.
Been a busy month, so these are rather later than they should have been.
* atlas-ph-sensor:
- Temperature scale didn't correspond to the ABI.
* axp288:
- A few different fixes around the TS-pin handling.
* ti-ads8688
- Not enough space in the buffer used to build the scan to allow for
the timestamp.
* tools - iio_generic_buffer
- Make num_loops signed so that we really are running for ever
rather than just a long time when we specify -1.
* tag 'iio-fixes-5.0a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: ti-ads8688: Update buffer allocation for timestamps
tools: iio: iio_generic_buffer: make num_loops signed
iio: adc: axp288: Fix TS-pin handling
iio: chemical: atlas-ph-sensor: correct IIO_TEMP values to millicelsius
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Per Jonathan Cameron, the buffer needs to allocate room for a
64 bit timestamp as well as the channels. Change the buffer
to allocate this additional space.
Fixes: 2a86487786b5c ("iio: adc: ti-ads8688: add trigger and buffer support")
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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