- 19 May, 2019 2 commits
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Chun-Hung Wu authored
Add compatible node for mt6765 auxadc Signed-off-by: Chun-Hung Wu <chun-hung.wu@mediatek.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Alexandru Ardelean authored
The ADX345 supports both I2C & SPI bindings. This change switches from old text bindings, to YAML bindings, and also tries to make use of the recent multiple-examples support. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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- 18 May, 2019 2 commits
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Yangtao Li authored
Updates license to use SPDX-License-Identifier. Signed-off-by: Yangtao Li <tiny.windzz@gmail.com> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Lars-Peter Clausen authored
To improve the accuracy of the reported VCO frequency perform all multiplications before divisions. This reduces rounding errors and makes sure the reported rates are accurate down to the last digit. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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- 11 May, 2019 6 commits
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Ruslan Babayev authored
The driver doesn't actually rely on any DT properties. Removing this check makes it usable on ACPI based platforms. Signed-off-by: Ruslan Babayev <ruslan@babayev.com> Cc: xe-linux-external@cisco.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Philippe Schenker authored
Clear any interrupt that still is on the device on every channel this driver is activated for in probe and specific channels in the timeout handler. Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Philippe Schenker authored
Use wait_for_completion_timeout instead of wait_for_completion_interuptible_timeout. The interruptible variant gets constantly interrupted if a user program is compiled with the -pg option. The killable variant was not used due to the fact that a second program, reading on this device, that gets killed is then also killing that wait. Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Philippe Schenker authored
This commit will enable the interrupts of all channels handled by this driver only once in the probe function. This will improve performance because one byte less has to be written over i2c on each read out of the adc. On the fastest ADC mode this will improve read out speed by 15%. Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Philippe Schenker authored
In some cases, the wait_completion got interrupted. This caused the error-handling to mutex_unlock the function. The before turned on interrupt then got called anyway. In the ISR then completion() was called causing wrong adc-values returned in a following adc-readout. Reinitialise completion struct to make sure the counter is zero when beginning a new adc-conversion. Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Philippe Schenker authored
Add the compatible name to the driver so it gets loaded when the proper node in DT is detected. Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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- 05 May, 2019 6 commits
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Philippe Schenker authored
Remove unnecessary assignment. This could potentially cause an issue, if the wait function runs into a timeout. Furthermore is this assignment also not there in stmpe_read_temp() Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Vatsala Narang authored
This patch updates Kconfig with paragraph that describe config symbol fully.Issue addressed by checkpatch. Signed-off-by: Vatsala Narang <vatsalanarang@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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João Seckler authored
This patch solves the following checkpatch.pl message: CHECK: Alignment should match open parenthesis. This makes the file more compliant with the preferred coding style for the Linux kernel. Signed-off-by: João Seckler <joaoseckler@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Geert Uytterhoeven authored
devm_iio_device_alloc() can only fail due to a memory or IDA allocation failure. Hence there is no need to print a message, as the memory allocation or IIO core code already takes care of that. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Brian Masney authored
Convert the isl29018 device tree bindings to the new YAML format. Signed-off-by: Brian Masney <masneyb@onstation.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Zhiyong Tao authored
The commit adds mt8183 compatible node in binding document. Signed-off-by: Zhiyong Tao <zhiyong.tao@mediatek.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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- 27 Apr, 2019 11 commits
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YueHaibing authored
Fixes gcc '-Wunused-but-set-variable' warning: drivers/iio/dac/ad5758.c: In function ad5758_write_powerdown: drivers/iio/dac/ad5758.c:585:15: warning: variable dc_dc_mode set but not used [-Wunused-but-set-variable] It is not used any more since commit edde9452 ("iio: dac: ad5758: Modifications for new revision") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Gwendal Grignou authored
This new sysfs entry is used to interpret ring buffer information, mainly by Android sensor HAL. It expand to all sensors, the documentation about 'id' we can found in Documentation/ABI/testing/sysfs-bus-iio-cros-ec. Also fix typo in docs, I replace 'Septembre' by 'September'. Signed-off-by: Gwendal Grignou <gwendal@chromium.org> Signed-off-by: Fabien Lahoudere <fabien.lahoudere@collabora.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Fabien Dessenne authored
During probe, check the devm_ioremap_resource() error value. Also return the devm_clk_get() error value instead of -EINVAL. Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com> Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Fabien Dessenne authored
During probe, check the "get_irq" error value. Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com> Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Brian Masney authored
Convert the tsl2772 device tree bindings to the new YAML format. Signed-off-by: Brian Masney <masneyb@onstation.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Brian Masney authored
Convert the tsl2583 device tree bindings to the new YAML format. Signed-off-by: Brian Masney <masneyb@onstation.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Daniel Gomez authored
Add missing <of_device_id> table for SPI driver relying on SPI device match since compatible is in a DT binding or in a DTS. Before this patch: modinfo drivers/iio/dac/ad5758.ko | grep alias alias: spi:ad5758 After this patch: modinfo drivers/iio/dac/ad5758.ko | grep alias alias: spi:ad5758 alias: of:N*T*Cadi,ad5758C* alias: of:N*T*Cadi,ad5758 Reported-by: Javier Martinez Canillas <javier@dowhile0.org> Signed-off-by: Daniel Gomez <dagmcr@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Daniel Gomez authored
Add missing <of_device_id> table for SPI driver relying on SPI device match since compatible is in a DT binding or in a DTS. Before this patch: modinfo drivers/iio/accel/adxl372_spi.ko | grep alias After this patch: modinfo drivers/iio/accel/adxl372_spi.ko | grep alias alias: spi:adxl372 alias: of:N*T*Cadi,adxl372C* alias: of:N*T*Cadi,adxl372 Reported-by: Javier Martinez Canillas <javier@dowhile0.org> Signed-off-by: Daniel Gomez <dagmcr@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Daniel Gomez authored
Add missing <of_device_id> table for SPI driver relying on SPI device match since compatible is in a DT binding or in a DTS. Before this patch: modinfo drivers/iio/accel/kxsd9-spi.ko | grep alias alias: spi:kxsd9 After this patch: modinfo drivers/iio/accel/kxsd9-spi.ko | grep alias alias: spi:kxsd9 alias: of:N*T*Ckionix,kxsd9C* alias: of:N*T*Ckionix,kxsd9 Reported-by: Javier Martinez Canillas <javier@dowhile0.org> Signed-off-by: Daniel Gomez <dagmcr@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Daniel Gomez authored
Add missing <of_device_id> table for SPI driver relying on SPI device match since compatible is in a DT binding or in a DTS. Before this patch: modinfo drivers/iio/temperature/maxim_thermocouple.ko | grep alias alias: spi:max31855 alias: spi:max6675 After this patch: modinfo drivers/iio/temperature/maxim_thermocouple.ko | grep alias alias: spi:max31855 alias: spi:max6675 alias: of:N*T*Cmaxim,max31855C* alias: of:N*T*Cmaxim,max31855 alias: of:N*T*Cmaxim,max6675C* alias: of:N*T*Cmaxim,max6675 Reported-by: Javier Martinez Canillas <javier@dowhile0.org> Signed-off-by: Daniel Gomez <dagmcr@gmail.com> Acked-by: Matt Ranostay <matt.ranostay@konsulko.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Kefeng Wang authored
Using dev_get_drvdata directly. Cc: Ludovic Desroches <ludovic.desroches@microchip.com> Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com> Cc: linux-iio@vger.kernel.org Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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- 25 Apr, 2019 13 commits
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Patrick Havelange authored
Add the 4 Quadrature counters for this board. Reviewed-by: Esben Haabendal <esben@haabendal.dk> Signed-off-by: Patrick Havelange <patrick.havelange@essensium.com> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Patrick Havelange authored
This adds documentation for the specific prescaler entry. Signed-off-by: Patrick Havelange <patrick.havelange@essensium.com> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Patrick Havelange authored
This driver exposes the counter for the quadrature decoder of the FlexTimer Module, present in the LS1021A soc. Signed-off-by: Patrick Havelange <patrick.havelange@essensium.com> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Patrick Havelange authored
FlexTimer quadrature decoder driver. Reviewed-by: Esben Haabendal <esben@haabendal.dk> Signed-off-by: Patrick Havelange <patrick.havelange@essensium.com> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Patrick Havelange authored
Common #defines have been moved to "linux/fsl/ftm.h". Thus making use of this file. Also FTM_SC_CLK_SHIFT has been renamed to FTM_SC_CLK_MASK_SHIFT. Reviewed-by: Esben Haabendal <esben@haabendal.dk> Signed-off-by: Patrick Havelange <patrick.havelange@essensium.com> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Patrick Havelange authored
This also fixes the wrong value for the previously defined FTM_MODE_INIT macro (it was not used). Reviewed-by: Esben Haabendal <esben@haabendal.dk> Signed-off-by: Patrick Havelange <patrick.havelange@essensium.com> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Patrick Havelange authored
Several files are/will be using the same #defines to use the Flextimer module. Regroup them in a common file. Reviewed-by: Esben Haabendal <esben@haabendal.dk> Signed-off-by: Patrick Havelange <patrick.havelange@essensium.com> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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William Breathitt Gray authored
The IIO counter subdirectory is now superceded by the Counter subsystem. This patch adds deprecation warnings to the documentation of the relevant IIO Counter sysfs attributes. Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fabrice Gasnier authored
The STM32 LP Timer counter driver now resides under the Counter subsystem. This patch adjusts dt-bindings to account for the STM32 lptimer driver move. Cc: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fabrice Gasnier authored
Add support for new counter device to stm32-lptimer. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Benjamin Gaignard authored
Add bindings for STM32 Timer quadrature encoder. It is a sub-node of STM32 Timer which implement the quadratic encoder part of the hardware. Cc: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Benjamin Gaignard authored
Implement counter part of the STM32 timer hardware block by using counter API. Hardware only supports X2 and X4 quadrature modes. A ceiling value can be set to define the maximum value reachable by the counter. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com> Co-authored-by: Fabrice Gasnier <fabrice.gasnier@st.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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William Breathitt Gray authored
This patch adds standard documentation for the Generic Counter interface userspace sysfs attributes of the 104-QUAD-8 driver. Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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