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- 29 Aug, 2016 1 commit
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Alison Schofield authored
Adds basic support for the LTC2485 ADC - a delta-sigma analog-to-digital converter with an I2C interface that operates in single shot conversion mode. The driver supports an on board 5V reference and the power-on default configuration which rejects both 50hz & 60hz line frequencies and operates in 1x speed mode. Signed-off-by: Alison Schofield <amsfield22@gmail.com> Cc: Daniel Baluta <daniel.baluta@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 21 Aug, 2016 2 commits
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Zhiyong Tao authored
Add Mediatek auxadc driver based on iio. It will register a device in iio and support iio. So thermal can read auxadc channel to sample data by iio device. It is tested successfully on mt2701 platform. Mt8173 and mt6577 platforms are not tested. But the expectation is compatible. Signed-off-by: Zhiyong Tao <zhiyong.tao@mediatek.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Matt Ranostay authored
Add support for Texas Instruments ADC141S626, and ADC161S626 chips. Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 03 Jul, 2016 1 commit
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Raveendra Padasalagi authored
This patch adds basic driver implementation for Broadcom's static adc controller used in iProc SoC's family. Signed-off-by: Raveendra Padasalagi <raveendra.padasalagi@broadcom.com> Reviewed-by: Ray Jui <ray.jui@broadcom.com> Reviewed-by: Scott Branden <scott.branden@broadcom.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 12 Mar, 2016 1 commit
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Joachim Eastwood authored
Add base support for the 10-bit SAR ADC peripheral found on NXP LPC18xx/43xx SoCs. This is a minimal driver that does not support burst mode, interrupts, DMA or hardware triggers. User manual with register description can be found on: LPC18xx: www.nxp.com/documents/user_manual/UM10430.pdf LPC43xx: www.nxp.com/documents/user_manual/UM10503.pdf Signed-off-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 13 Feb, 2016 1 commit
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Daniel Baluta authored
The driver has sysfs readings with runtime PM support for power saving. It also offers buffer support that can be used together with IIO software triggers. Datasheet can be found here: http://www.ti.com.cn/cn/lit/ds/symlink/ads1015.pdfSigned-off-by: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 11 Feb, 2016 1 commit
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Markus Pargmann authored
This is a conversion queue driver for the mx25 SoC. It uses the central ADC which is used by two seperate independent queues. This driver prepares different conversion configurations for each possible input. For a conversion it creates a conversionqueue of one item with the correct configuration for the chosen channel. It then executes the queue once and disables the conversion queue afterwards. The reference voltages are configurable through devicetree subnodes, depending on the connections of the ADC inputs. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Denis Carikli <denis@eukrea.com> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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- 10 Feb, 2016 1 commit
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Ksenija Stanojevic authored
Move mxs-lradc driver from drivers/staging/iio/adc to drivers/iio/adc. Signed-off-by: Ksenija Stanojevic <ksenija.stanojevic@gmail.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 09 Feb, 2016 1 commit
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Akinobu Mita authored
This adds ADC0831/ADC0832/ADC0834/ADC0838 8-bit ADC driver. I have tested with ADC0831 and ADC0832. The remaining ADC0834 and ADC0838 are very similar to ADC0832. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Jonathan Cameron <jic23@kernel.org> Cc: Hartmut Knaack <knaack.h@gmx.de> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 16 Jan, 2016 1 commit
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Ludovic Desroches authored
This driver supports the new version of the Atmel ADC device introduced with the SAMA5D2 SoC family. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 12 Dec, 2015 2 commits
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Haibo Chen authored
Freescale i.MX7D soc contains a new ADC IP. This patch add this ADC driver support, and the driver only support ADC software trigger. Signed-off-by: Haibo Chen <haibo.chen@freescale.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Marc Titinger authored
in SOFTWARE buffer mode, a kthread will capture the active scan_elements into a kfifo, then compute the remaining time until the next capture tick and do an active wait (udelay). This will produce a stream of up to fours channels plus a 64bits timestamps (ns). Tested with ina226, on BeagleBoneBlack. Datasheet: http://www.ti.com/lit/gpn/ina226Signed-off-by: Marc Titinger <mtitinger@baylibre.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 15 Nov, 2015 1 commit
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Sean Nyekjaer authored
This patch adds support for the Texas Intruments ADS8688 ADC. Signed-off-by: Sean Nyekjaer <sean.nyekjaer@prevas.dk> Reviewed-by: Martin Hundebøll <martin.hundeboll@prevas.dk> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 25 Oct, 2015 1 commit
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H. Nikolaus Schaller authored
This driver code was found as: https://android.googlesource.com/kernel/tegra/+/aaabb2e045f31e5a970109ffdaae900dd403d17e/drivers/staging/iio/adc Fixed various compilation issues and test this driver on omap5 evm. Signed-off-by: Pradeep Goudagunta <pgoudagunta@nvidia.com> Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com> Signed-off-by: Marek Belisko <marek@goldelico.com> Acked-by: Laxman Dewangan <ldewangan@nvidia.com> Reviewed-by: Jonathan Cameron <jic23@kernel.org> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 23 Sep, 2015 1 commit
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Vladimir Barinov authored
Add Holt threshold detector driver for HI-8435 chip Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 12 Aug, 2015 1 commit
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Hartmut Knaack authored
Move the entry for the CC 10001 ADC driver in Kconfig and Makefile up to maintain alphabetic order. Signed-off-by: Hartmut Knaack <knaack.h@gmx.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 23 May, 2015 1 commit
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Antoine Tenart authored
This patch adds the support of the Berlin ADC, available on Berlin SoCs. This ADC has 8 channels available, with one connected to a temperature sensor. The particularity here, is that the temperature sensor connected to the ADC has its own registers, and both the ADC and the temperature sensor must be configured when using it. Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 25 Feb, 2015 1 commit
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Adam Thomson authored
This patch adds support for DA9150 Charger & Fuel-Gauge IC GPADC. Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com> Reviewed-by: Hartmut Knaack <knaack.h@gmx.de> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Sebastian Reichel <sre@kernel.org>
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- 29 Jan, 2015 1 commit
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Phani Movva authored
This commit adds support for Cosmic Circuits 10001 10-bit ADC device. Reviewed-by: Andrew Bresticker <abrestic@chromium.org> Signed-off-by: Phani Movva <Phani.Movva@imgtec.com> Signed-off-by: Naidu Tellapati <Naidu.Tellapati@imgtec.com> [ezequiel: code style cleaning] Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 28 Jan, 2015 1 commit
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Stanimir Varbanov authored
The voltage ADC is peripheral of Qualcomm SPMI PMIC chips. It has 15bits resolution and register space inside PMIC accessible across SPMI bus. The vadc driver registers itself through IIO interface. Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com> Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 25 Oct, 2014 1 commit
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Ivan T. Ivanov authored
The current ADC is peripheral of Qualcomm SPMI PMIC chips. It has 16 bits resolution and register space inside PMIC accessible across SPMI bus. The driver registers itself through IIO interface. Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 07 Oct, 2014 1 commit
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Jacob Pan authored
Platform driver for X-Powers AXP288 ADC, which is a sub-device of the customized AXP288 PMIC for Intel Baytrail-CR platforms. GPADC device enumerates as one of the MFD cell devices. It uses IIO infrastructure to communicate with userspace and consumer drivers. Usages of ADC channels include battery charging and thermal sensors. Based on initial work by: Ramakrishna Pallala <ramakrishna.pallala@intel.com> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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- 07 Aug, 2014 2 commits
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Heiko Stübner authored
The ADC is a 3-channel signal-ended 10-bit Successive Approximation Register (SAR) A/D Converter. It uses the supply and ground as its reference and converts the analog input signal into 10-bit binary digital codes. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Hartmut Knaack <knaack.h@gmx.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Angelo Compagnucci authored
This patch adds support for ADC128S052 from TI. Signed-off-by: Angelo Compagnucci <angelo.compagnucci@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 08 Jul, 2014 1 commit
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Lars-Peter Clausen authored
The ad7291 driver is in a reasonable shape. It does not use non-standard API/ABI and there are no major style issues with the driver. So this patch moves it out of staging. There is one small warning from checkpatch which is also fixed in this patch. The patch also sorts the #include directives in alphabetical order. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 28 Jun, 2014 1 commit
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Philippe Reynes authored
This driver add partial support of the maxim 1027/1029/1031. Differential mode is not supported. It was tested on armadeus apf27 board. Signed-off-by: Philippe Reynes <tremyfr@yahoo.fr> Reviewed-by: Hartmut Knaack <knaack.h@gmx.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 18 Mar, 2014 1 commit
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Sebastian Reichel authored
This is a driver for an A/D converter, which belongs into drivers/iio/adc. Signed-off-by: Sebastian Reichel <sre@debian.org> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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- 16 Mar, 2014 1 commit
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Lars-Peter Clausen authored
The driver is now at a reasonable quality level. Move it out of staging. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Hartmut Knaack <knaack.h@gmx.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 01 Mar, 2014 1 commit
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Lars-Peter Clausen authored
The Xilinx XADC is a ADC that can be found in the series 7 FPGAs from Xilinx. The XADC has a DRP interface for communication. Currently two different frontends for the DRP interface exist. One that is only available on the ZYNQ family as a hardmacro in the SoC portion of the ZYNQ. The other one is available on all series 7 platforms and is a softmacro with a AXI interface. This driver supports both interfaces and internally has a small abstraction layer that hides the specifics of these interfaces from the main driver logic. The ADC has a couple of internal channels which are used for voltage and temperature monitoring of the FPGA as well as one primary and up to 16 channels auxiliary channels for measuring external voltages. The external auxiliary channels can either be directly connected each to one physical pin on the FPGA or they can make use of an external multiplexer which is responsible for multiplexing the external signals onto one pair of physical pins. The voltage and temperature monitoring channels also have an event capability which allows to generate a interrupt when their value falls below or raises above a set threshold. Buffered sampling mode is supported by the driver, but only for AXI-XADC since the ZYNQ XADC interface does not have capabilities for supporting buffer mode (no end-of-conversion interrupt). If buffered mode is supported the driver will register two triggers. One "xadc-samplerate" trigger which will generate samples with the configured samplerate. And one "xadc-convst" trigger which will generate one sample each time the CONVST (conversion start) signal is asserted. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 28 Feb, 2014 1 commit
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Johannes Thumshirn authored
Add support for MEN 16z188 ADC IP Core on MCB FPGAs. Signed-off-by: Johannes Thumshirn <johannes.thumshirn@men.de> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 15 Feb, 2014 1 commit
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Fugang Duan authored
Add Freescale Vybrid vf610 adc driver. The driver only support ADC software trigger. VF610 ADC device documentation is available at below reference manual (chapter 37): http://cache.freescale.com/files/32bit/doc/ref_manual/VYBRIDRM.pdf? fpsp=1&WT_TYPE=Reference%20Manuals&WT_VENDOR=FREESCALE&WT_FILE_FORMAT =pdf&WT_ASSET=Documentation CC: Shawn Guo <shawn.guo@linaro.org> CC: Jonathan Cameron <jic23@kernel.org> CC: Mark Rutland <mark.rutland@arm.com> CC: Otavio Salvador <otavio@ossystems.com.br> CC: Peter Meerwald <pmeerw@pmeerw.net> CC: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Fugang Duan <B38611@freescale.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 07 Sep, 2013 1 commit
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Angelo Compagnucci authored
Sysfs access to all channels. Signed-off-by: Angelo Compagnucci <angelo.compagnucci@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 17 Aug, 2013 1 commit
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Oleksandr Kozaruk authored
The GPADC is general purpose ADC found on TWL6030, and TWL6032 PMIC, known also as Phoenix and PhoenixLite. The TWL6030 and TWL6032 have GPADC with 17 and 19 channels respectively. Some channels have current source and are used for measuring voltage drop on resistive load for detecting battery ID resistance, or measuring voltage drop on NTC resistors for external temperature measurements. Some channels measure voltage, (i.e. battery voltage), and have voltage dividers, thus, capable to scale voltage. Some channels are dedicated for measuring die temperature. Some channels are calibrated in 2 points, having offsets from ideal values kept in trim registers. This is used to correct measurements. The differences between GPADC in TWL6030 and TWL6032: - 10 bit vs 12 bit ADC; - 17 vs 19 channels; - channels have different purpose(i.e. battery voltage channel 8 vs channel 18); - trim values are interpreted differently. Based on the driver patched from Balaji TK, Graeme Gregory, Ambresh K, Girish S Ghongdemath. Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Graeme Gregory <gg@slimlogic.co.uk> Signed-off-by: Oleksandr Kozaruk <oleksandr.kozaruk@ti.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 03 Aug, 2013 2 commits
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Lars-Peter Clausen authored
Keeping Makefile and Kconfig entries in alphabetical order usually works better than just appending new entries at the end, since it reduces the amount of conflicts. This patch adds a comment to the IIO Kconfig and Makefile files to document that the entries should be kept in alphabetical order. Also reorder those entries which weren't in alphabetical order yet. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Alexandre Belloni authored
The Nuvoton NAU7802 ADC is a 24-bit 2-channels I2C ADC, with adjustable gain and sampling rates. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 22 May, 2013 1 commit
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Oskar Andero authored
This adds support for Microchip's 12 bit AD converters MCP3204 and MCP3208. These chips communicates over SPI and supports single-ended and pseudo-differential configurations. Signed-off-by: Oskar Andero <oskar.andero@gmail.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 16 Mar, 2013 2 commits
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Naveen Krishna Chatradhi authored
This patch adds New driver to support: 1. Supports ADC IF found on EXYNOS4412/EXYNOS5250 and future SoCs from Samsung 2. Add ADC driver under iio/adc framework 3. Also adds the Documentation for device tree bindings Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Christophe Leroy authored
This patch adds support for Analog Devices AD7923 ADC in the IIO Subsystem. Signed-off-by: Patrick Vasseur <patrick.vasseur@c-s.fr> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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- 30 Nov, 2012 2 commits
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Thierry Reding authored
Add support for reading conversion results from the ADC and provide them through a single IIO channel. A proper scaling factor is also exported based on the reference voltage provided by a regulator. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Lars-Peter Clausen authored
The driver does not expose any custom API to userspace and none of the standard static code checker tools report any issues, so move it out of staging. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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