- 17 May, 2021 40 commits
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Chunyan Zhang authored
MODULE_DEVICE_TABLE is used to extract the device information out of the driver and builds a table when being compiled. If using this macro, kernel can find the driver if available when the device is plugged in, and then loads that driver and initializes the device. Signed-off-by:
Chunyan Zhang <chunyan.zhang@unisoc.com> Signed-off-by:
Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Krzysztof Kozlowski authored
The current-sense-shunt is an IIO provider thus can be referenced by IIO consumers (via "io-channels" property in consumer device node). Such provider is required to describe number of cells used in phandle lookup with "io-channel-cells" property. This also fixes dtbs_check warnings like: arch/arm/boot/dts/s5pv210-fascinate4g.dt.yaml: current-sense-shunt: '#io-channel-cells' does not match any of the regexes: 'pinctrl-[0-9]+' Fixes: ce66e52b ("dt-bindings:iio:afe:current-sense-shunt: txt to yaml conversion.") Signed-off-by:Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Reviewed-by:
Rob Herring <robh@kernel.org> Signed-off-by:
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Zhen Lei authored
When devm_ioremap_resource() fails, a clear enough error message will be printed by its subfunction __devm_ioremap_resource(). The error information contains the device name, failure cause, and possibly resource information. Therefore, remove the error printing here to simplify code and reduce the binary size. Reported-by:
Hulk Robot <hulkci@huawei.com> Signed-off-by:
Zhen Lei <thunder.leizhen@huawei.com> Signed-off-by:
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Sean Nyekjaer authored
When flushing the hw fifo there is a bug in the I2C that prevents burst reads of more than one sample pair. Signed-off-by:
Sean Nyekjaer <sean@geanix.com> Signed-off-by:
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Sean Nyekjaer authored
When buffered sampling is enabled, the accelerometer will dump data into the internal fifo and interrupt at watermark. Then the driver flushes all data to the iio buffer. As the accelerometer doesn't have internal timestamps, they are approximated between the current and last interrupt. Signed-off-by:
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Sean Nyekjaer authored
Preparation commit for the next that adds hw buffered sampling. Adds the interrupt function and reads the devicetree for which interrupt pin that is used. Signed-off-by:
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Sean Nyekjaer authored
This adds support for setting de accelerometers output data rate. Primarily used for hardware buffered reads. Signed-off-by:
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Sean Nyekjaer authored
Add devicetree binding for the NXP FXLS8962AF/FXLS8964AF accelerometer sensor. Signed-off-by:
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Sean Nyekjaer authored
Add basic support for NXP FXLS8962AF/FXLS8964AF Automotive accelerometers. It will allow setting up scale/gain and reading x,y,z axis. Datasheet: https://www.nxp.com/docs/en/data-sheet/FXLS8962AF.pdf Datasheet: https://www.nxp.com/docs/en/data-sheet/FXLS8964AF.pdfSigned-off-by:
Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by:
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Sean Nyekjaer authored
Fix wrongly stated 13 Hz ODR for accelerometers, the correct ODR is 12.5 Hz Signed-off-by:
Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by:
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Guenter Roeck authored
With CONFIG_ACPI=n and -Werror, 0-day reports: drivers/iio/chemical/bme680_i2c.c:46:36: error: 'bme680_acpi_match' defined but not used Apparently BME0680 is not a valid ACPI ID. Remove the ID. Note the driver will still work with ACPI bindings that use the PRP0001 mechanism as that uses the of_device_id table instead. Reported-by:
kernel test robot <lkp@intel.com> Signed-off-by:
Guenter Roeck <linux@roeck-us.net> Reviewed-by:
Hans de Goede <hdegoede@redhat.com> Reviewed-by:
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Guenter Roeck authored
BME0680 is not an official ACPI ID, so let's remove it before someone starts using it. Note that ACPI can still be used with this driver via the PRP0001 method which will use the of_device_id table to match. Signed-off-by:
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Guenter Roeck authored
With CONFIG_ACPI=n, W=1 and -Werror, 0-day reports: drivers/iio/accel/stk8312.c:644:36: error: 'stk8312_acpi_id' defined but not used Apparently STK8312 is not a valid ACPI ID. Remove the ID table as this is the only entry. If ACPI support is desired an explicit of_device_id table should be added (rather than relying on the fallback to the existing ID table). Reported-by:
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Guenter Roeck authored
With CONFIG_ACPI=n and -Werror, 0-day reports: drivers/iio/humidity/am2315.c:259:36: error: 'am2315_acpi_id' defined but not used According to Andy Shevchenko, the ACPI ID used in this driver is fake and does not really exist. Remove it and with it ACPI support from the driver. Note that, if an explicit of_device_id table is added to the driver it could support the PRP0001 based ACPI approach. Reported-by:
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Jonathan Cameron authored
Straight forward conversion. Only fiddly bit is the XOR of spi-cpol and spi-cpha. Signed-off-by:
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Andy Shevchenko authored
Enumerate LSM9DS0 (accelerometer and magnetometer parts) via 'st,lsm9ds0-imu' compatible string. Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by:
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Andy Shevchenko authored
We can utilize separate drivers for accelerometer and magnetometer, so here is the glue driver to enable LSM9DS0 IMU support. The idea was suggested by Crestez Dan Leonard in [1]. The proposed change was sent as RFC due to race condition concerns, which are indeed possible. In order to amend the initial change, I went further by providing a specific multi-instantiate probe driver that reuses existing accelerometer and magnetometer. [1]: https://lore.kernel.org/patchwork/patch/670353/Suggested-by:
Crestez Dan Leonard <leonard.crestez@intel.com> Cc: mr.lahorde@laposte.net Cc: Matija Podravec <matija_podravec@fastmail.fm> Cc: Sergey Borishchenko <borischenko.sergey@gmail.com> Signed-off-by:
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Andy Shevchenko authored
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:
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Andy Shevchenko authored
In case we would initialize two IIO devices from one physical device, we shouldn't have a clash on regulators. That's why move st_sensors_power_enable() call from core to bus drivers. Signed-off-by:
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Andy Shevchenko authored
Provide default platform data for magnetometer in case it supports DRDY. One case is LSM9DS0 IMU, on which it is the case. Since accelerometer is using INT1, default magnetometer to INT2. While at it, update description of the drdy_int_pin field. Signed-off-by:
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Andy Shevchenko authored
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_gyro_core.c:366: error: Cannot parse struct or union! by converting to a simple comment. It is described at the declaration. Signed-off-by:
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Andy Shevchenko authored
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:
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Jonathan Cameron authored
There is already an acessor function used to access it, making this move straight forward. Signed-off-by:
Alexandru Ardelean <ardeleanalex@gmail.com> Link: https://lore.kernel.org/r/20210426174911.397061-10-jic23@kernel.org
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Jonathan Cameron authored
No reason any driver should ever need access to this field, so hide it. Signed-off-by:
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Jonathan Cameron authored
No reason for this to be exposed to the drivers, so lets move it to the opaque structure. Signed-off-by:
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Jonathan Cameron authored
This lock is only of interest to the IIO core, so make it only visible there. Signed-off-by:
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Jonathan Cameron authored
No reason for this cached value to be exposed to drivers so move it to the opaque structure. Signed-off-by:
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Jonathan Cameron authored
This is only set via the iio_trig_set_immutable() call and later used by the IIO core so there is no benefit in drivers being able to access it. Signed-off-by:
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Jonathan Cameron authored
Continuing move to hide internal elements from drivers, move this structure element over. It's only accessed from iio core files so this one was straight forward and no accessor functions are needed. Signed-off-by:
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Jonathan Cameron authored
indio_dev was both the macro input parameter and the field name in this macro. That causes trouble if the instance of struct iio_dev passed in is not called indio_dev. Whilst a fix of sorts, no need to backport as it seems we never hit this previously due to some very consistent naming in IIO. Signed-off-by:
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Jonathan Cameron authored
Continuing from Alexandru Ardelean's introduction of the split between driver modifiable fields and those that should only be set by the core. This could have been done in two steps to make the actual move after introducing iio_device_id() but there seemed limited point to that given how mechanical the majority of the patch is. Includes fixup from Alex for missing mxs-lradc-adc conversion. Signed-off-by:
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Jonathan Cameron authored
This is already set to the same value in devm_iio_device_alloc() Signed-off-by:
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Jonathan Cameron authored
iio_dev.dev.parent is already set to the same value in devm_iio_device_alloc() Signed-off-by:
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Jonathan Cameron authored
Already set to same value in devm_iio_device_alloc() Signed-off-by:
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Jonathan Cameron authored
Already set to same value in devm_iio_device_alloc() Signed-off-by:
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Jonathan Cameron authored
Already set to the same value in devm_iio_device_alloc() Signed-off-by:
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Jonathan Cameron authored
This is already set to the same value in devm_iio_device_alloc() Signed-off-by:
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Jonathan Cameron authored
This is set to the same value in devm_iio_device_alloc() so no need to do it again. Signed-off-by:
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Jonathan Cameron authored
The core already set this to the same value in devm_iio_device_alloc() Signed-off-by:
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Oleksij Rempel authored
Basically the TI TSC2046 touchscreen controller is 8 channel ADC optimized for the touchscreen use case. By implementing it as an IIO ADC device, we can make use of resistive-adc-touch and iio-hwmon drivers. Polled readings are currently not implemented to keep this patch small, so iio-hwmon will not work out of the box for now. So far, this driver was tested with a custom version of resistive-adc-touch driver, since it needs to be extended to make use of Z1 and Z2 channels. The X/Y are working without additional changes. Signed-off-by:
Oleksij Rempel <o.rempel@pengutronix.de> Reviewed-by:
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