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2024-09-03iio: adc: sophgo-saradc: Add driver for Sophgo CV1800B SARADCThomas Bonnefille1-0/+1
This adds a driver for the Sophgo CV1800B SARADC. Signed-off-by: Thomas Bonnefille <[email protected]> Link: https://patch.msgid.link/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2024-08-03iio: adc: Add support for AD4000Marcelo Schmitt1-0/+1
Add support for AD4000 series of low noise, low power, high speed, successive approximation register (SAR) ADCs. Reviewed-by: Nuno Sa <[email protected]> Reviewed-by: David Lechner <[email protected]> Signed-off-by: Marcelo Schmitt <[email protected]> Link: https://patch.msgid.link/356109ac61182f16f2379d5d0cadccfe017f505b.1720810545.git.marcelo.schmitt@analog.com Signed-off-by: Jonathan Cameron <[email protected]>
2024-08-03iio: adc: add support for pac1921Matteo Martelli1-0/+1
Add support for Microchip PAC1921 Power/Current monitor. Implemented features: * capture of bus voltage, sense voltage, current and power measurements in free-run integration mode * support for both raw and triggered buffer reading * support for overflow events * scale attributes to control voltage and current gains * oversampling ratio attribute to control the number of integration samples * sampling rate attribute that reflects the integration period * userspace attribute and DT parameter to control shunt resistor * simple power management support Limitations: * operation mode fixed to free-run integration * READ/INT pin and OUT pin not supported * no controls for measurement resolutions and filters Signed-off-by: Matteo Martelli <[email protected]> Link: https://patch.msgid.link/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2024-08-03iio: adc: ad4695: Add driver for AD4695 and similar ADCsDavid Lechner1-0/+1
This is a new driver for Analog Devices Inc. AD4695 and similar ADCs. The initial driver supports initializing the chip including configuring all possible LDO and reference voltage sources as well as any possible voltage input channel wiring configuration. Only the 4-wire SPI wiring mode where the CNV pin is tied to the CS pin is supported at this time. And reading sample data from the ADC can only be done in direct mode for now. Co-developed-by: Ramona Gradinariu <[email protected]> Signed-off-by: Ramona Gradinariu <[email protected]> Signed-off-by: David Lechner <[email protected]> Reviewed-by: Nuno Sa <[email protected]> Link: https://patch.msgid.link/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2024-07-01iio: adc: Add support for MediaTek MT6357/8/9 Auxiliary ADCAngeloGioacchino Del Regno1-0/+1
Add a driver to support reading the Auxiliary ADC IP found in the MediaTek MT6357, MT6358 and MT6359 Power Management ICs, featuring a different register layout, configuration reset and ADC reading sequence from the other already supported MediaTek SoC or PMIC (aux)ADC HW. This driver provides multiple ADC channels for system monitoring, such as battery voltage, PMIC temperature, PMIC-internal voltage regulators temperature, and others. Signed-off-by: AngeloGioacchino Del Regno <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Link: https://patch.msgid.link/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2024-06-25iio: adc: ti-ads1119: Add driverJoão Paulo Gonçalves1-0/+1
The ADS1119 is a precision, 16-bit, analog-to-digital converter (ADC) that features two differential or four single-ended inputs through a flexible input multiplexer (MUX), rail-to-rail input buffers, a programmable gain stage, a voltage reference, and an oscillator. Apart from normal single conversion, the driver also supports continuous conversion mode using a triggered buffer. However, in this mode only one channel can be scanned at a time. Datasheet: https://www.ti.com/lit/gpn/ads1119 Signed-off-by: João Paulo Gonçalves <[email protected]> Signed-off-by: Francesco Dolcini <[email protected]> Link: https://patch.msgid.link/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2024-06-04iio: adc: ad7380: new driver for AD7380 ADCsDavid Lechner1-0/+1
This adds a new driver for the AD7380 family ADCs. The driver currently implements basic support for the AD7380, AD7381, 2-channel differential ADCs. Support for additional single-ended, pseudo-differential and 4-channel chips that use the same register map as well as additional features of the chip will be added in future patches. [Julien Stephan: fix rx/tx buffer for regmap access] [Julien Stephan: fix scale issue] [Julien Stephan: use the new iio_device_claim_direct_scoped instead of iio_device_claim_direct_mode] Co-developed-by: Stefan Popa <[email protected]> Signed-off-by: Stefan Popa <[email protected]> Reviewed-by: Nuno Sa <[email protected]> Signed-off-by: David Lechner <[email protected]> [Julien Stephan: add datasheet links of supported parts] Signed-off-by: Julien Stephan <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2024-06-04iio: adc: sort MakefileDavid Lechner1-12/+12
The Makefile for IIO ADC drivers is intended to be sorted alphabetically. I can be tricky to keep it sorted when adding new drivers when not all of the existing drivers are sorted. So let's sort everything now to make it easier to keep it sorted in the future. Signed-off-by: David Lechner <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2024-03-25iio: adc: ad7944: add driver for AD7944/AD7985/AD7986David Lechner1-0/+1
This adds a driver for the Analog Devices Inc. AD7944, AD7985, and AD7986 ADCs. These are a family of pin-compatible ADCs that can sample at rates up to 2.5 MSPS. The initial driver adds support for sampling at lower rates using the usual IIO triggered buffer and can handle all 3 possible reference voltage configurations. Signed-off-by: David Lechner <[email protected]> Reviewed-by: Nuno Sa <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2024-03-25iio: adc: ad7173: add AD7173 driverDumitru Ceclan1-0/+1
The AD7173 family offer a complete integrated Sigma-Delta ADC solution which can be used in high precision, low noise single channel applications or higher speed multiplexed applications. The Sigma-Delta ADC is intended primarily for measurement of signals close to DC but also delivers outstanding performance with input bandwidths out to ~10kHz. Reviewed-by: Andy Shevchenko <[email protected]> Reviewed-by: Michael Walle <[email protected]> # for gpio-regmap Signed-off-by: Dumitru Ceclan <[email protected]> Reviewed-by: Nuno Sa <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2024-02-28iio: adc: adding support for PAC193xMarius Cristea1-0/+1
This is the iio driver for Microchip PAC193X series of Power Monitor with Accumulator chip family. Signed-off-by: Marius Cristea <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2024-02-19iio: adc: ti-ads1298: Add driverMike Looijmans1-0/+1
Skeleton driver for the TI ADS1298 medical ADC. This device is typically used for ECG and similar measurements. Supports data acquisition at configurable scale and sampling frequency. Reviewed-by: Andy Shevchenko <[email protected]> Signed-off-by: Mike Looijmans <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2023-12-26iio: adc: Add support for AD7091R-8Marcelo Schmitt1-0/+1
Add support for Analog Devices AD7091R-2, AD7091R-4, and AD7091R-8 low power 12-Bit SAR ADCs with SPI interface. Extend ad7091r-base driver so it can be used by the AD7091R-8 driver. Signed-off-by: Marcelo Schmitt <[email protected]> Link: https://lore.kernel.org/r/09d1d1c4b39cecc528488efac6094233715f5659.1703013352.git.marcelo.schmitt1@gmail.com Signed-off-by: Jonathan Cameron <[email protected]>
2023-12-26iio: adc: Split AD7091R-5 config symbolMarcelo Schmitt1-1/+2
Split AD7091R-5 kconfig symbol into one symbol for the base AD7091R driver and another one for the I2C interface AD7091R-5 driver. Signed-off-by: Marcelo Schmitt <[email protected]> Link: https://lore.kernel.org/r/8cae37c611c1b0fe3faef7a4b8c4cc915eaeddc7.1703013352.git.marcelo.schmitt1@gmail.com Signed-off-by: Jonathan Cameron <[email protected]>
2023-11-16iio: adc: Add driver support for MAX34408/9Ivan Mikhaylov1-0/+1
The MAX34408/MAX34409 are two- and four-channel current monitors that are configured and monitored with a standard I2C/SMBus serial interface. Each unidirectional current sensor offers precision high-side operation with a low full-scale sense voltage. The devices automatically sequence through two or four channels and collect the current-sense samples and average them to reduce the effect of impulse noise. The raw ADC samples are compared to user-programmable digital thresholds to indicate overcurrent conditions. Overcurrent conditions trigger a hardware output to provide an immediate indication to shut down any necessary external circuitry. Add as ADC driver which only supports current monitoring for now. Link: https://www.analog.com/media/en/technical-documentation/data-sheets/MAX34408-MAX34409.pdf Signed-off-by: Ivan Mikhaylov <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2023-09-12iio: adc: adding support for MCP3564 ADCMarius Cristea1-0/+1
This is the iio driver for Microchip family of 153.6 ksps, Low-Noise 16/24-Bit Delta-Sigma ADCs with an SPI interface (Microchip's MCP3461, MCP3462, MCP3464, MCP3461R, MCP3462R, MCP3464R, MCP3561, MCP3562, MCP3564, MCP3561R, MCP3562R and MCP3564R analog to digital converters). Signed-off-by: Marius Cristea <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2023-09-12iio: adc: add ltc2309 supportLiam Beguin1-0/+1
The LTC2309 is an 8-Channel, 12-Bit SAR ADC with an I2C Interface. This implements support for all single-ended and differential channels, in unipolar mode only. Signed-off-by: Liam Beguin <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2023-07-20iio: adc: Add Allwinner D1/T113s/R329/T507 SoCs GPADCMaksim Kiselev1-0/+1
The General Purpose ADC (GPADC) can convert the external signal into a certain proportion of digital value, to realize the measurement of analog signal, which can be applied to power detection and key detection. Theoretically, this ADC can support up to 16 channels. All SoCs below contain this GPADC IP. The only difference between them is the number of available channels: T113 - 1 channel D1 - 2 channels R329 - 4 channels T507 - 4 channels Reviewed-by: Andy Shevchenko <[email protected]> Signed-off-by: Maksim Kiselev <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2023-06-28iio: adc: max77541: Add ADI MAX77541 ADC SupportOkan Sahin1-0/+1
The MAX77541 has an 8-bit Successive Approximation Register (SAR) ADC with four multiplexers for supporting the telemetry feature. Signed-off-by: Okan Sahin <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Lee Jones <[email protected]>
2023-03-12iio: adc: Add TI ADS1100 and ADS1000Mike Looijmans1-0/+1
The ADS1100 is a 16-bit ADC (at 8 samples per second). The ADS1000 is similar, but has a fixed data rate. Signed-off-by: Mike Looijmans <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2023-01-22iio: adc: add imx93 adc supportHaibo Chen1-0/+1
The ADC in i.mx93 is a total new ADC IP, add a driver to support this ADC. Currently, only support one shot normal conversion triggered by software. For other mode, will add in future. Signed-off-by: Haibo Chen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2023-01-21iio: adc: ti-ads7924: add Texas Instruments ADS7924 driverHugo Villeneuve1-0/+1
The Texas Instruments ADS7924 is a 4 channels, 12-bit analog to digital converter (ADC) with an I2C interface. Datasheet: https://www.ti.com/lit/gpn/ads7924 Signed-off-by: Hugo Villeneuve <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2022-12-28iio: adc: add ADC driver for the TI LMP92064 controllerLeonard Göhrs1-0/+1
The TI LMP92064 is a dual 12 Bit ADC connected via SPI. The two channels are intended for simultaneous measurements of the voltage across- and current through a load to allow accurate instantaneous power measurements. The driver does not yet take advantage of this feature, as buffering is not yet implemented. Signed-off-by: Leonard Göhrs <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2022-11-23iio: adc: ad4130: add AD4130 driverCosmin Tanislav1-0/+1
AD4130-8 is an ultra-low power, high precision, measurement solution for low bandwidth battery operated applications. The fully integrated AFE (Analog Front-End) includes a multiplexer for up to 16 single-ended or 8 differential inputs, PGA (Programmable Gain Amplifier), 24-bit Sigma-Delta ADC, on-chip reference and oscillator, selectable filter options, smart sequencer, sensor biasing and excitation options, diagnostics, and a FIFO buffer. Signed-off-by: Cosmin Tanislav <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2022-11-23iio: adc: mt6370: Add MediaTek MT6370 supportChiaEn Wu1-0/+1
MediaTek MT6370 is a SubPMIC consisting of a single cell battery charger with ADC monitoring, RGB LEDs, dual channel flashlight, WLED backlight driver, display bias voltage supply, one general purpose LDO, and the USB Type-C & PD controller complies with the latest USB Type-C and PD standards. Add support for the MT6370 ADC driver for system monitoring, including charger current, voltage, and temperature. Reviewed-by: AngeloGioacchino Del Regno <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Signed-off-by: ChiaEn Wu <[email protected]> Link: https://lore.kernel.org/r/81ec58ae89030e48508d6810396de2679c40d26c.1665488982.git.chiaen_wu@richtek.com Signed-off-by: Jonathan Cameron <[email protected]>
2022-11-23iio: adc: add max11410 adc driverIbrahim Tilki1-0/+1
Adding support for max11410 24-bit, 1.9ksps delta-sigma adc which has 3 differential reference and 10 differential channel inputs. Inputs and references can be buffered internally. Inputs can also be amplified with internal PGA. Device has four digital filter modes: FIR50/60, FIR50, FIR60 and SINC4. FIR 50Hz and 60Hz rejections can be enabled/disabled separately. Digital filter selection affects sampling frequency range so driver has to consider the configured filter when configuring sampling frequency. Signed-off-by: Ibrahim Tilki <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2022-09-05iio: adc: add max11205 adc driverRamona Bolboaca1-0/+1
Adding support for max11205 16-bit single-channel ultra-low power delta-sigma adc. The MAX11205 is compatible with the 2-wire interface and uses SCLK and RDY/DOUT for serial communications. In this mode, all controls are implemented by timing the high or low phase of the SCLK. The 2-wire serial interface only allows for data to be read out through the RDY/DOUT output. Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX11205.pdf Signed-off-by: Ramona Bolboaca <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2022-08-20iio: stx104: Move to addac subdirectoryWilliam Breathitt Gray1-1/+0
The stx104 driver supports both ADC and DAC functionality. Signed-off-by: William Breathitt Gray <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2022-08-15iio: adc: Add rtq6056 supportChiYuan Huang1-0/+1
Add Richtek rtq6056 supporting. It can be used for the system to monitor load current and power with 16-bit resolution. Signed-off-by: ChiYuan Huang <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2022-06-18iio: adc: qcom-spmi-rradc: introduce round robin adcCaleb Connolly1-0/+1
The Round Robin ADC is responsible for reading data about the rate of charge from the USB or DC input ports, it can also read the battery ID (resistence), skin temperature and the die temperature of the pmic. It is found on the PMI8998 and PM660 Qualcomm PMICs. Signed-off-by: Caleb Connolly <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2022-02-21iio:adc:ad7280a: Move out of stagingJonathan Cameron1-0/+1
This is a rather unusual device (in IIO anyway). However, it has a near to standard userspace ABI. Note the work to move this out of staging was done against a minimal QEMU model, which doesn't model all the features of the device. I have no intention to upstream the QEMU model as it was developed just to enable this driver cleanup. https://github.com/jic23/qemu/tree/ad7280a-hacks Signed-off-by: Jonathan Cameron <[email protected]> Reviewed-by: Marcelo Schmitt <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2021-12-21iio: adc: Add Xilinx AMS driverAnand Ashok Dumbre1-0/+1
The AMS includes an ADC as well as on-chip sensors that can be used to sample external voltages and monitor on-die operating conditions, such as temperature and supply voltage levels. The AMS has two SYSMON blocks. PL-SYSMON block is capable of monitoring off chip voltage and temperature. PL-SYSMON block has DRP, JTAG and I2C interface to enable monitoring from an external master. Out of these interfaces currently only DRP is supported. Other block PS-SYSMON is memory mapped to PS. The AMS can use internal channels to monitor voltage and temperature as well as one primary and up to 16 auxiliary channels for measuring external voltages. The voltage and temperature monitoring channels also have event capability which allows to generate an interrupt when their value falls below or raises above a set threshold. Co-developed-by: Manish Narani <[email protected]> Signed-off-by: Manish Narani <[email protected]> Signed-off-by: Anand Ashok Dumbre <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2021-10-19iio: imx8qxp-adc: Add driver support for NXP IMX8QXP ADCCai Huoqing1-0/+1
The NXP i.MX 8QuadXPlus SOC has a new ADC IP, so add driver support for this ADC. Signed-off-by: Cai Huoqing <[email protected]> Reviewed-by: Fabio Estevam <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2021-08-15iio: adc: Add driver for Renesas RZ/G2L A/D converterLad Prabhakar1-0/+1
Add ADC driver support for Renesas RZ/G2L A/D converter in SW trigger mode. A/D Converter block is a successive approximation analog-to-digital converter with a 12-bit accuracy and supports a maximum of 8 input channels. Signed-off-by: Lad Prabhakar <[email protected]> Reviewed-by: Biju Das <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2021-05-17iio: adc: add ADC driver for the TI TSC2046 controllerOleksij Rempel1-0/+1
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 <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2021-03-11iio: adc: Add driver for Texas Instruments ADS131E0x ADC familyTomislav Denis1-0/+1
The ADS131E0x are a family of multichannel, simultaneous sampling, 24-bit, delta-sigma, analog-to-digital converters (ADCs) with a built-in programmable gain amplifier (PGA), internal reference and an onboard oscillator. Datasheet: https://www.ti.com/lit/ds/symlink/ads131e08.pdf Signed-off-by: Tomislav Denis <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2020-11-08iio: adc: mt6360: Add ADC driver for MT6360Gene Chen1-0/+1
Add MT6360 ADC driver including Charger Current, Voltage, and Temperature. Signed-off-by: Gene Chen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
2020-06-07Merge tag 'staging-5.8-rc1' of ↵Linus Torvalds1-0/+3
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging/IIO driver updates from Greg KH: "Here is the large set of staging and IIO driver changes for 5.8-rc1 Nothing major, but a lot of new IIO drivers are included in here, along with other core iio cleanups and changes. On the staging driver front, again, nothing noticable. No new deletions or additions, just a ton of tiny cleanups all over the tree done by a lot of different people. Most coding style, but many actual real fixes and cleanups that are nice to see. All of these have been in linux-next for a while with no reported issues" * tag 'staging-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (618 commits) staging: rtl8723bs: Use common packet header constants staging: sm750fb: Add names to proc_setBLANK args staging: most: usb: init return value in default path of switch/case expression staging: vchiq: Get rid of VCHIQ_SERVICE_OPENEND callback reason staging: vchiq: move vchiq_release_message() into vchiq staging: vchi: Get rid of C++ guards staging: vchi: Get rid of not implemented function declarations staging: vchi: Get rid of vchiq_status_to_vchi() staging: vchi: Get rid of vchi_service_set_option() staging: vchi: Merge vchi_msg_queue() into vchi_queue_kernel_message() staging: vchiq: Move copy callback handling into vchiq staging: vchi: Get rid of vchi_queue_user_message() staging: vchi: Get rid of vchi_service_destroy() staging: most: usb: use function sysfs_streq staging: most: usb: add missing put_device calls staging: most: usb: use correct error codes staging: most: usb: replace code to calculate array index staging: most: usb: don't use error path to exit function on success staging: most: usb: move allocation of URB out of critical section staging: most: usb: return 0 instead of variable ...
2020-05-26iio: adc: mp2629: Add support for mp2629 ADC driverSaravanan Sekar1-0/+1
Add support for 8-bit resolution ADC readings for input power supply and battery charging measurement. Provides voltage, current readings to mp2629 power supply driver. Signed-off-by: Saravanan Sekar <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]> Signed-off-by: Lee Jones <[email protected]>
2020-04-23Merge tag 'iio-for-5.8a' of ↵Greg Kroah-Hartman1-0/+3
git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next Jonathan writes: First set of new IIO device support, features and cleanup for the 5.8 cycle Usual mix of new drivers, new support in old drivers and lots of minor cleanup. Yaml conversions also continue to trickle in (plenty more to go!) New device support * ad7476 - Add ad7091 support (ID only) * ad9467 - New driver for this 200/250 MSPS adi-axi-adc and SPI attached ADC. * adi-axi-adc - New driver to support ADIs generic AXI ADC IP core, used to provide high speed interfaces to ADCs (JESD204B/C or parallel interfaces). Usually paired with a device using a slow configuration interface (spi etc) Includes DT bindings and some fixes for fpga headers. * bmg160 - Add support for BMI088 (ID only) * max1241 - New driver for this ADC. * st_sensors - Add support for LIS2HH12 accelerometer * sx9310 - New driver supporting sx9310 and sx9311 proximity sensors. Yaml DT binding conversions * rockchip-saradc (including adding some missing parts) * stm32-dac * tsl2563 * vcnl4000 Features * st_lsm6dsx - Add LIS3MDL as a possible sensor hub device. * vcnl4000 - Add new concept of near level (from DT) to provide to userspace which often needs to have some calibrated concept of 'near'. Cleanups, minor fixes etc. * core - Use snprintf for functions where strings are built and there is potential for overflow. - Correct docs to indicate mlock should not be used directly by drivers. - Fix up accidental dropping of a patch to use bitmap_zalloc. - Stop allowing enabling of buffers with no channels enabled. - Drop unused 'stufftoread' from iio_buffer. - Drop scan_el_attrs form iio_buffer as unused. - Reorder sanity checks in __iio_device_register to fail earlier. - Drop all the devm_ runregister / free functions from IIO as they were never used and encourage poor design. * dma-buffer - Tidy up includes. * dma-engine-buffer - Provide dev-managed allocator. - Fix an issue with printing a size_t * cross subsystem (kxsd9, bmg160, mpu3050, bmi160, mpu6050, bmc150) - Replace some unnecessary casts of error ptrs and whilst there. use the %pe printf parameter to print them in a more useful fashion. * cross subsystem - Drop casts in calls to regmap_bulk_read as they make no sense. - Use devm_platform_ioremap_resource to reduce boilerplate. - Fix typos in Analog Devices. * counters/104-quad - Add Syed Nayyar Waris as an additional maintainer. * ad7476 - Generate CONVST signal internally rather than requiring external trigger. Add sysfs read back as can now do so. - use devm_add_action_or_reset to tidy up error and remove handling. * ad7793 - Switch to read_avail from explicit attribute. Mostly done to avoid confusing people with a - sign (without surounding spaces) that was correct but checkpatch didn't like. * adis library - Add missing newlines at end of error messages. * adis16400 - Use DEFINE_DEBUGS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTR. * adis16460 - Use DEFINE_DEBUGS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTR. * ad_sigma_delta - Move some channel definitions into individual drivers to avoid having to deal with complex options. * ak8974 - Silence an error on deffered probe. * bmp280 - Harden against IRQ before registration. - Convert to read_avail instead of opencoding the equivalent. - Explicitly mark GPIO as optional. - Cleanup casts. - Remove line breaks from strings. * htts221 - Replace direct access to platform_data with dev_get_platdata(). - Use device properties rather than device tree ones to allow ACPI probing. - Casting cleanups. * intel_mrfld_adc - Don't use unaligned accessor for aligned data. * isl29125 - Reorder buer pre and post hooks to allow for coming core rework. * ltc2983 - Remove comp to bool. * max1363 - Stop using mlock from the iio_dev directly in favour of a local lock with clearly defined scope. * max30100 - Use generic device properties to allow ACPI probe. * mpu6050 - Convert to i2c_new_client_device. - Add debugfs register access. * st_lsm6dsx - Provide means of configuring full scale on slave device if supported. - Drop include of st_sensors header to get one value. Its not otherwise used by this driver. * st-sensors - Replace direct access to platform_data with dev_get_platdata(). - Casting cleanups. - Avoid splitting strings. * st_uvis25 - Casting cleanups. * tsl2563 - Typo fix. * tsl2772 - scnprintf in a non obvious string building usecase. Note also 'fixes' a wrong calculation of remaining space that couldn't actually cause any trouble as there was lots of room. * xilinx-xadc - Fix Lars-Peter spelling his own name wrong :) + additional typos. * tag 'iio-for-5.8a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (101 commits) iio: magnetometer: ak8974: Silence deferred-probe error Documentation: ABI: document IIO in_proximity_nearlevel file iio: vcnl4000: Export near level property for proximity sensor dt-bindings: iio: light: vcnl4000: Add proximity-near-level dt-bindings: iio: Introduce common properties for iio sensors dt-bindings: iio: vcnl4000: convert bindings to YAML format iio: Fix misspellings of "Analog Devices" iio: light: isl29125: fix iio_triggered_buffer_{predisable,postenable} positions iio: adc: fsl-imx25-gcq: Use devm_platform_ioremap_resource iio: adc: at91-adc: Use devm_platform_ioremap_resource iio: adc: sun4i-gpadc-iio: Use devm_platform_ioremap_resource iio:light:ltr501: Drop unnecessary cast of parameter in regmap_bulk_read iio:magn:mmc35240: Drop unnecessary casts of val parameter in regmap_bulk* iio:imu:mpu6050: Tidy up parameters to regmap_bulk functions. iio:chemical:bme680: Tidy up parameters to regmap_bulk_read iio:chemical:atlas-sensor: Drop unnecessary explicit casts in regmap_bulk_read calls iio:accel:mxc4005: Drop unnecessary explicit casts in regmap_bulk_read calls iio: imu: st_lsm6dsx: drop huge include in sensor-hub driver iio: buffer: drop devm_iio_kfifo_free() API call iio: buffer: drop devm_iio_hw_consumer_free() API call ...
2020-04-19iio: adc: Add MAX1241 driverAlexandru Lazar1-0/+1
Add driver for the Maxim MAX1241 12-bit, single-channel ADC. Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX1240-MAX1241.pdf Reviewed-by: Alexandru Ardelean <[email protected]> Signed-off-by: Alexandru Lazar <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Signed-off-by: Jonathan Cameron <[email protected]>
2020-04-19iio: adc: ad9467: add support AD9467 ADCMichael Hennerich1-0/+1
The AD9467 is a 16-bit, monolithic, IF sampling analog-to-digital converter (ADC). It is optimized for high performanceover wide bandwidths and ease of use. The product operates at a 250 MSPS conversion rate and is designed for wireless receivers, instrumentation, and test equipment that require a high dynamic range. The ADC requires 1.8 V and 3.3 V power supplies and a low voltage differential input clock for full performance operation. No external reference or driver components are required for many applications. Data outputs are LVDS compatible (ANSI-644 compatible) and include the means to reduce the overall current needed for short trace distances. Since the chip can operate at such high sample-rates (much higher than classical interfaces), it requires that a DMA controller be used to interface directly to the chip and push data into memory. Typically, the AXI ADC IP core is used to interface with it. Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/AD9467.pdf Signed-off-by: Lars-Peter Clausen <[email protected]> Signed-off-by: Michael Hennerich <[email protected]> Signed-off-by: Alexandru Ardelean <[email protected]> Signed-off-by: Jonathan Cameron <[email protected]>
2020-04-19iio: adc: adi-axi-adc: add support for AXI ADC IP coreMichael Hennerich1-0/+1
This change adds support for the Analog Devices Generic AXI ADC IP core. The IP core is used for interfacing with analog-to-digital (ADC) converters that require either a high-speed serial interface (JESD204B/C) or a source synchronous parallel interface (LVDS/CMOS). Usually, some other interface type (i.e SPI) is used as a control interface for the actual ADC, while the IP core (controlled via this driver), will interface to the data-lines of the ADC and handle the streaming of data into memory via DMA. Because of this, the AXI ADC driver needs the other SPI-ADC driver to register with it. The SPI-ADC needs to be register via the SPI framework, while the AXI ADC registers as a platform driver. The two cannot be ordered in a hierarchy as both drivers have their own registers, and trying to organize this [in a hierarchy becomes] problematic when trying to map memory/registers. There are some modes where the AXI ADC can operate as standalone ADC, but those will be implemented at a later point in time. DocLink: https://wiki.analog.com/resources/fpga/docs/axi_adc_ip Signed-off-by: Michael Hennerich <[email protected]> Signed-off-by: Lars-Peter Clausen <[email protected]> Signed-off-by: Alexandru Ardelean <[email protected]> Signed-off-by: Jonathan Cameron <[email protected]>
2020-04-07Merge tag 'mfd-next-5.7' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd Pull mfd updates from Lee Jones: "New Drivers: - Add support for IQS620A/621/622/624/625 Azoteq IQS62X Sensors New Device Support: - Add support for ADC, IRQ, Regulator, RTC and WDT to Ricoh RN5T618 PMIC - Add support for Comet Lake to Intel LPSS New Functionality: - Add support for Charger Detection to Spreadtrum SC27xx PMICs - Add support for Interrupt Polarity to Dialog Semi DA9062/61 PMIC - Add ACPI enumeration support to Diolan DLN2 USB Adaptor Fix-ups: - Device Tree; iqs62x, rn5t618, cros_ec_dev, stm32-lptimer, rohm,bd71837, rohm,bd71847 - I2C registration; rn5t618 - Kconfig; MFD_CPCAP, AB8500_CORE, MFD_WM8994, MFD_WM97xx, MFD_STPMIC1 - Use flexible-array members; omap-usb-tll, qcom-pm8xxx - Remove unnecessary casts; omap-usb-host, omap-usb-tll - Power (suspend/resume/poweroff) enhancements; rk808 - Improve error/sanity checking; dln2 - Use snprintf(); aat2870-core Bug Fixes: - Fix PCI IDs in intel-lpss-pci" * tag 'mfd-next-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (33 commits) mfd: intel-lpss: Fix Intel Elkhart Lake LPSS I2C input clock mfd: aat2870: Use scnprintf() for avoiding potential buffer overflow mfd: dln2: Allow to be enumerated via ACPI mfd: da9062: Add support for interrupt polarity defined in device tree dt-bindings: bd718x7: Yamlify and add BD71850 mfd: dln2: Fix sanity checking for endpoints mfd: intel-lpss: Add Intel Comet Lake PCH-V PCI IDs mfd: sc27xx: Add USB charger type detection support dt-bindings: mfd: Document STM32 low power timer bindings mfd: rk808: Convert RK805 to shutdown/suspend hooks mfd: rk808: Reduce shutdown duplication mfd: rk808: Stop using syscore ops mfd: rk808: Ensure suspend/resume hooks always work mfd: rk808: Always use poweroff when requested mfd: omap: Remove useless cast for driver.name mfd: Kconfig: Fix some misspelling of the word functionality mfd: pm8xxx: Replace zero-length array with flexible-array member mfd: omap-usb-tll: Replace zero-length array with flexible-array member mfd: cpcap: Fix compile if MFD_CORE is not selected mfd: cros_ec: Check DT node for usbpd-notify add ...
2020-03-27iio: adc: rn5t618: Add ADC driver for RN5T618/RC5T619Andreas Kemnade1-0/+1
Both chips have an A/D converter capable of measuring things like VBAT, VUSB and analog inputs. Signed-off-by: Andreas Kemnade <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]> Signed-off-by: Lee Jones <[email protected]>
2020-03-08staging: iio: adc: ad7192: move out of stagingAlexandru Tachici1-0/+1
Move ad7192 ADC driver out of staging into mainline. Signed-off-by: Alexandru Tachici <[email protected]> Signed-off-by: Jonathan Cameron <[email protected]>
2019-12-15iio: adc: new driver to support Linear technology's ltc2496Uwe Kleine-König1-0/+1
This chip is similar to the LTC2497 ADC, it just uses SPI instead of I2C and so has a slightly different protocol. Only the actual hardware access is different. The spi protocol is different enough to not be able to map the differences via a regmap. Also generalize the entry in MAINTAINER to cover the newly introduced file. Signed-off-by: Uwe Kleine-König <[email protected]> Signed-off-by: Jonathan Cameron <[email protected]>
2019-12-15iio: adc: ltc2497: split protocol independent part in a separate moduleUwe Kleine-König1-1/+1
This allows to share most of this driver for the ltc2496 driver added in the next commit that is an SPI variant of the ltc2497. Initially I named the generic part ltc249x, but wild card names are frowned upon, so the generic part is called ltc2497-core even though it's not obvious that this is then to be reused for the ltc2496 driver. Signed-off-by: Uwe Kleine-König <[email protected]> Signed-off-by: Jonathan Cameron <[email protected]>
2019-12-15iio: adc: Move AD7091R5 entry in a alphabetical order in MakefileBeniamin Bia1-1/+1
Ad7091R5 was added in a non alphabetical order after AD7124 in Makefile and KConfig. This patch fixes that and place Ad7091R5 before AD7124. Signed-off-by: Beniamin Bia <[email protected]> Signed-off-by: Jonathan Cameron <[email protected]>
2019-11-16iio: adc: Add support for AD7091R5 ADCPaul Cercueil1-0/+1
AD7091R5 is 4-Channel, I2C, Ultra Low Power,12-Bit ADC. This driver will also support AD7091R2/4/8 in the future. Datasheet: Link: https://www.analog.com/media/en/technical-documentation/data-sheets/ad7091r-5.pdf Signed-off-by: Paul Cercueil <[email protected]> Co-developed-by: Beniamin Bia <[email protected]> Signed-off-by: Beniamin Bia <[email protected]> Signed-off-by: Jonathan Cameron <[email protected]>
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