- 22 Oct, 2019 1 commit
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Robert Jones authored
This adds documentation for the Freescale FXOS8700 Inertial Measurement Unit device-tree bindings. Signed-off-by:
Robert Jones <rjones@gateworks.com> Reviewed-by:
Rob Herring <robh@kernel.org> Signed-off-by:
Jonathan Cameron <Jonathan.Cameron@huawei.com>
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- 18 Oct, 2019 25 commits
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Chuhong Yuan authored
ad9834_probe misses a check for devm_clk_get and may cause problems. Add a check like what ad9832 does to fix it. Signed-off-by:
Chuhong Yuan <hslester96@gmail.com> Reviewed-by:
Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by:
Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by:
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Jonathan Cameron authored
Reduces local boilerplate. Suggested by coccinelle. CHECK drivers/iio/adc/xilinx-xadc-core.c drivers/iio/adc/xilinx-xadc-core.c:1184:1-11: WARNING: Use devm_platform_ioremap_resource for xadc -> base Signed-off-by:
Sven Van Asbroeck <TheSven73@gmail.com>
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Jonathan Cameron authored
Identified by coccinelle CHECK drivers/iio/temperature/maxim_thermocouple.c drivers/iio/temperature/maxim_thermocouple.c:197:3-4: Unneeded semicolon Signed-off-by:
Matt Ranostay <matt.ranostay@konsulko.com>
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Jonathan Cameron authored
Coccinelle noticed: CHECK drivers/iio/adc/cpcap-adc.c drivers/iio/adc/cpcap-adc.c:1009:9-34: ERROR: Threaded IRQ with no primary handler requested without IRQF_ONESHOT As far as I can see this is a simple case of it should be specified but isn't. Signed-off-by:
Tony Lindgren <tony@atomide.com>
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Jonathan Cameron authored
Avoid local boilerplate. Suggested by coccinelle via coccicheck. CHECK drivers/iio/adc/meson_saradc.c drivers/iio/adc/meson_saradc.c:1218:1-5: WARNING: Use devm_platform_ioremap_resource for base Signed-off-by:
Martin Blumenstingl <martin.blumenstingl@googlemail.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by:
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Jonathan Cameron authored
Reduce local boilerplate. Identified by coccinelle drivers/iio/adc/exynos_adc.c:792:1-11: WARNING: Use devm_platform_ioremap_resource for info -> regs Signed-off-by:
Chanwoo Choi <cw00.choi@samsung.com>
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Jonathan Cameron authored
Identified by coccinelle drivers/iio/adc/exynos_adc.c:654:2-3: Unneeded semicolon Signed-off-by:
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Jonathan Cameron authored
Sparse identified the following CHECK drivers/iio/proximity/pulsedlight-lidar-lite-v2.c drivers/iio/proximity/pulsedlight-lidar-lite-v2.c:144:24: warning: cast to restricted __be16 drivers/iio/proximity/pulsedlight-lidar-lite-v2.c:144:24: warning: cast to restricted __be16 drivers/iio/proximity/pulsedlight-lidar-lite-v2.c:144:24: warning: cast to restricted __be16 drivers/iio/proximity/pulsedlight-lidar-lite-v2.c:144:24: warning: cast to restricted __be16 This cleans up by adding a local variable to hold the value whilst it is __be16 before applying endian converstion into eventual destination. Signed-off-by:
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Jonathan Cameron authored
There is a somewhat interesting mixture of be16 and le16 going on in this one function. Changes here formalize that a little more. CHECK drivers/iio/pressure/bmp280-core.c drivers/iio/pressure/bmp280-core.c:215:35: warning: cast to restricted __le16 drivers/iio/pressure/bmp280-core.c:229:37: warning: cast to restricted __be16 drivers/iio/pressure/bmp280-core.c:229:37: warning: cast to restricted __be16 drivers/iio/pressure/bmp280-core.c:229:37: warning: cast to restricted __be16 drivers/iio/pressure/bmp280-core.c:229:37: warning: cast to restricted __be16 drivers/iio/pressure/bmp280-core.c:230:36: warning: cast to restricted __be16 drivers/iio/pressure/bmp280-core.c:230:36: warning: cast to restricted __be16 drivers/iio/pressure/bmp280-core.c:230:36: warning: cast to restricted __be16 drivers/iio/pressure/bmp280-core.c:230:36: warning: cast to restricted __be16 drivers/iio/pressure/bmp280-core.c:237:37: warning: cast to restricted __le16 Signed-off-by:
Linus Walleij <linus.walleij@linaro.org>
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Jonathan Cameron authored
This clearly has no actual affect but it does show sparse and similar static analysers that we are doing this intentionally. CHECK drivers/iio/gyro/mpu3050-core.c drivers/iio/gyro/mpu3050-core.c:546:48: warning: incorrect type in assignment (different base types) drivers/iio/gyro/mpu3050-core.c:546:48: expected restricted __be16 <noident> drivers/iio/gyro/mpu3050-core.c:546:48: got int Signed-off-by:
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Jonathan Cameron authored
When breaking up a constant to write to two 8 bit registers it isn't obvious to sparse that it was intentional. CHECK drivers/iio/chemical/sps30.c drivers/iio/chemical/sps30.c:120:30: warning: cast truncates bits from constant value (8004 becomes 4) So in the interests of minimising noisy warnings, let us add a mask. Signed-off-by:
Tomasz Duszynski <tduszyns@gmail.com>
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Jonathan Cameron authored
Nothing stops data being of type __be16, which fixes the warning: CHECK drivers/iio/adc/stmpe-adc.c drivers/iio/adc/stmpe-adc.c:202:29: warning: cast to restricted __be16 drivers/iio/adc/stmpe-adc.c:202:29: warning: cast to restricted __be16 drivers/iio/adc/stmpe-adc.c:202:29: warning: cast to restricted __be16 drivers/iio/adc/stmpe-adc.c:202:29: warning: cast to restricted __be16 Signed-off-by: -
Jonathan Cameron authored
Fixes the sparse warning: drivers/iio/adc/mcp320x.c:167:41: warning: incorrect type in argument 1 (different base types) drivers/iio/adc/mcp320x.c:167:41: expected restricted __be32 const [usertype] *p drivers/iio/adc/mcp320x.c:167:41: got unsigned int [usertype] *<noident> Signed-off-by:
Lukas Wunner <lukas@wunner.de>
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Jonathan Cameron authored
Cleans up the sparse warning: CHECK drivers/iio/adc/at91-sama5d2_adc.c drivers/iio/adc/at91-sama5d2_adc.c:1486:31: warning: Using plain integer as NULL pointer drivers/iio/adc/at91-sama5d2_adc.c:1509:31: warning: Using plain integer as NULL pointer Signed-off-by:
Eugen Hristev <eugen.hristev@microchip.com>
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William Breathitt Gray authored
The action_get callback returns a Synapse's action mode. Signed-off-by:
William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by:
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William Breathitt Gray authored
Count data is now always represented as an unsigned integer, while Signal data is either SIGNAL_LOW or SIGNAL_HIGH. In addition, clarification changes and additions are made to better explain the theory of the Generic Counter interface and its use. Signed-off-by:
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William Breathitt Gray authored
The count_read and count_write callbacks are simplified to pass val as unsigned long rather than as an opaque data structure. The opaque counter_count_read_value and counter_count_write_value structures, counter_count_value_type enum, and relevant counter_count_read_value_set and counter_count_write_value_get functions, are removed as they are no longer used. Cc: Patrick Havelange <patrick.havelange@essensium.com> Acked-by:
Fabrice Gasnier <fabrice.gasnier@st.com> Acked-by:
David Lechner <david@lechnology.com> Signed-off-by:
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Jonathan Cameron authored
Immutable branch as considerable overlap with mfd, power and hwmon.
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Linus Walleij authored
The AB8500 GPADC driver is indeed a "general purpose ADC" driver, and while the IIO subsystem did not exist when the driver was first merged, it is never too late to clean things up and move it to the right place. Nowadays IIO provides the right abstractions and interfaces to do generic ADC work in the kernel. We have to cut a bunch of debugfs luggage to make this transition swift, but all these files to is read out the raw values of the ADC and the IIO subsystem already has a standard sysfs ABI for doing exactly this: no debugfs is needed. Acked-by:
Lee Jones <lee.jones@linaro.org> Signed-off-by:
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Linus Walleij authored
This is a new driver for the ST-Ericsson AB8500 GPADC, which replaces the old driver in drivers/mfd/ab8500-gpadc.c and thus gets rid of another necessarily different custom driver from the times before IIO existed. The AB8500 GPADC can convert 10 different channels and these are used for monitoring voltages in the U8500 chipset, some are used for battery charging, some for temperature monitoring. As this is very core functionality that a lot of drivers depend on and was formerly compiled in with the AB8500 core driver, we deafault it to 'y' in Kconfig: it can be compiled out but it is really not advisible: the platform can for example overheat if we do. Reviewed-by:
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Linus Walleij authored
As we migrate the AB8500 GPADC driver to use IIO, we need to augment the bindings to account for defining the ADC channels in the device tree. Cc: devicetree@vger.kernel.org Acked-by:
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Linus Walleij authored
This switches the AB8500 hardware monitor driver to using the standard IIO ADC channel lookup and conversion routines. Acked-by:
Guenter Roeck <linux@roeck-us.net> Acked-by:
Jonathan Cameron <jic23@kernel.org> Signed-off-by:
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Linus Walleij authored
This switches the AB8500 fuel gauge driver to using the standard IIO ADC channel lookup and conversion routines. Acked-by:
Sebastian Reichel <sre@kernel.org> Acked-by:
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Linus Walleij authored
This switches the AB8500 battery charger driver to using the standard IIO ADC channel lookup and conversion routines. Acked-by:
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Linus Walleij authored
This switches the AB8500 battery temperature driver to using the standard IIO ADC channel lookup and conversion routines. Acked-by:
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- 17 Oct, 2019 4 commits
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Jonathan Cameron authored
Immutable branch being merged in. Created as this also involves moving some dependencies around, outside of the counter subsystem. It's possible it will want to be pulled into other trees.
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David Lechner authored
This adds a new counter driver for the Texas Instruments Enhanced Quadrature Encoder Pulse (eQEP) module. Only very basic functionality is currently implemented - only enough to be able to read the position. The actual device has many more features which can be added to the driver on an as-needed basis. It is not possible to read the QEPA/B signal values in hardware, so that feature is omitted. The TI_PWMSS kernel option is selected in Kconfig to enable the parent bus, which is needed for power management. Signed-off-by:
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David Lechner authored
This documents device tree binding for the Texas Instruments Enhanced Quadrature Encoder Pulse (eQEP) Module found in various TI SoCs. Signed-off-by:
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David Lechner authored
The TI PWMSS driver is a simple bus driver for providing power power management for the PWM peripherals on TI AM33xx SoCs, namely eCAP, eHRPWM and eQEP. The eQEP is a counter rather than a PWM, so it does not make sense to have the bus driver in the PWM subsystem since the PWMSS is not exclusive to PWM devices. Signed-off-by:
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- 15 Oct, 2019 10 commits
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Vincent Pelletier authored
Exposes the ADC device present on, at least, Intel Merrifield platform. Based on work done by: Yang Bin <bin.yang@intel.com> Huiquan Zhong <huiquan.zhong@intel.com> Sumeet Pawnikar <sumeet.r.pawnikar@intel.com> Pavan Kumar S <pavan.kumar.s@intel.com> Though it has been heavily rewritten for upstream. Signed-off-by:
Vincent Pelletier <plr.vincent@gmail.com> Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by:
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Lorenzo Bianconi authored
Signed-off-by:
Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by:
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Lorenzo Bianconi authored
Add support to STM LSM6DS0 6-axis (acc + gyro) Mems sensor Signed-off-by:
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Lorenzo Bianconi authored
Fix typos in gyro gain definitions for LSM9DS1 sensor Fixes: 52f4b1f1 ("iio: imu: st_lsm6dsx: add support for accel/gyro unit of lsm9ds1") Signed-off-by:
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Alexandru Ardelean authored
This change replaces indio_dev's mlock with the driver's own lock. The lock is mostly needed to protect state when changing the `dac_cache` info. The lock has been extended to `ad7303_read_raw()`, to make sure that the cache is updated if an SPI-write is already in progress. Signed-off-by:
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Andreas Klinger authored
transform existing documentation of maxbotix,mb1232 ultrasonic ranger from text documentation format into yaml. Changes in v3: - add a i2c node around device node to set up #address-cells and #size-cells for omitting error during make dt_binding_check Changes in v2: - removed description of reg property - added a line: additionalProperties: false Signed-off-by:
Andreas Klinger <ak@it-klinger.de> Reviewed-by:
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Mario Tesi authored
On LSM6DSO/LSM6DSR/LSM6DSOX/ASM330LHH and ISH330DHCX devices it is possible to trim the hardware timestamp resolution through the FREQ_FINE[7:0] bits of the INTERNAL_FREQ_FINE register, which contains the difference in percentage of the effective ODR (and timestamp rate) with respect to the typical value. The formula for calculating the effective ODR reported in the application notes has been linearized to the first order to simplify the calculation (pls. see note on source code). This change may be useful in the outcome of CTS tests regarding the SingleSensorTests and the SensorTest#testSensorTimeStamps for high ODRs Signed-off-by:
Mario Tesi <mario.tesi@st.com> Acked-by:
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Lorenzo Bianconi authored
Enable drdy mask if available in order to mark invalid samples during sensor bootstrap phase Tested-by:
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Fabrice Gasnier authored
Add support for runtime PM & sleep. Provide pclk to regmap as registers access doesn't need full power (e.g. regulator). Always restore HFSEL when resuming. It may get lost depending on low power level that has been achieved. Signed-off-by:
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Lorenzo Bianconi authored
Add missing wake-up register info for LSM6DSO/LSM6DSOX sensor Signed-off-by:
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