Add device tree support for LIS3DH, LSM330D, LSM330DL, LSM330DLC,
LIS331DLH, LSM330, LSM303AGR, LIS2DH12, LIS3L02DQ, LNG2DM accel sensors.
Fix LIS302DL support defining of_device_id data field in st_accel_of_match
table

Fixes: 76222772 (iio: accel: st_accel: handle deprecated bindings)
Signed-off-by: NLorenzo Bianconi <lorenzo.bianconi@st.com>
Reviewed-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Don't inflate the kernel size with data that isn't used. The conditional
declaration also fixes the following warning when building with clang:

drivers/iio/magnetometer/ak8975.c:704:36: error: variable 'ak_acpi_match'
  is not needed and will not be emitted
  [-Werror,-Wunneeded-internal-declaration]
Signed-off-by: NMatthias Kaehlcke <mka@chromium.org>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Removes trailing whitespace to fix checkpatch errors
Signed-off-by: NReno Farnesi <nfarnesi4@gmail.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Add missing hooks in the LTC2497 IIO driver to allow hwmon mapping.
Signed-off-by: NGaurav Gupta <gauragup@cisco.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

The array stm32h7_adc_ckmodes_spec does not need to be in global scope, so
make it static.

Cleans up sparse warning:
"symbol 'stm32h7_adc_ckmodes_spec' was not declared. Should it be static?"
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Acked-by: NFabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Some part of the configuration are not touched after the probe
and if something goes wrong on writing the initial one,
the chip will misbehave.
Adding an error checking ensures that the inital configuration will
be written correctly. Moreover ensures that a sensible configuration
will be saved in driver data and used subsequently as intended.
Signed-off-by: NAngelo Compagnucci <angelo.compagnucci@gmail.com>
Reported-by: NMaarten Brock <m.brock@vanmierlo.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Initial channel should be the first available channel on
all configurations, so changing to channel 0 available on
all supported chips.
Signed-off-by: NAngelo Compagnucci <angelo.compagnucci@gmail.com>
Reported-by: NMaarten Brock <m.brock@vanmierlo.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Open drain should work fine with rising or high level IRQs,
this code was due to some misunderstanding on my part.
Reported-by: NLorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Add a link to the TCS3472 datasheet in the AMS's website.

Cc: Peter Meerwald <pmeerw@pmeerw.net>
Cc: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

This commit adds mt7622 compatible node.
Signed-off-by: NZhiyong Tao <zhiyong.tao@mediatek.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

This patch supports auxadc suspend/resume flow.
Disable auxadc clk and power in suspend function.
Enable axuadc clk and power in resume function.
Signed-off-by: NZhiyong Tao <zhiyong.tao@mediatek.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

The commit adds mt7622 compatible node in binding document.
Signed-off-by: NZhiyong Tao <zhiyong.tao@mediatek.com>
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Signed-off-by: NLorenzo Bianconi <lorenzo.bianconi@st.com>
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Signed-off-by: NLorenzo Bianconi <lorenzo.bianconi@st.com>
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Add open drain support in order to share requested IRQ line between
st_lsm6dsx device and other peripherals
Signed-off-by: NLorenzo Bianconi <lorenzo.bianconi@st.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Add device tree bindings for Measurement-Specialties MS5637, MS5805, MS5837 and MS8607 pressure & temperature sensor
Signed-off-by: NManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Add of_match_table for Measurement-Specialties MS5637, MS5805, MS5837 and MS8607 pressure & temperature sensor
Signed-off-by: NManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Add device tree bindings for Measurement-Specialties HTU21 temperature & humidity sensor and humidity part of MS8607 sensor
Signed-off-by: NManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Add of_match_table for Measurement-Specialties htu21 temperature & humidity sensor and humidity part of MS8607 sensor
Signed-off-by: NManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Clock name has been updated during driver/DT binding review:
https://lkml.org/lkml/2016/12/13/718
Update DT binding doc to reflect this.

Fixes: bf2d8581 (iio: Add bindings for STM32 timer trigger driver)
Signed-off-by: NFabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: NBenjamin Gaignard <benjamin.gaignard@linaro.org>
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Added support for suspend/resume functionality for the ADC IP
in sama5d2 SoC.
In order to enter Suspend to ram mode (backup + self refresh mode for
memory), in which the ADC IP is no longer powered, we need to reset the
pins to default state, for the scenario when they are also used for I2C
bus to communicate with the PMIC.
On resume, we need to reconfigure the ADC IP registers and reconfigure the
trigger registers in the case when the suspend procedure is done while
sysfs has the buffer and trigger enabled.
In the case the suspend happens exactly during a software triggered
conversion, the request will time out, because we reset and power down
the ADC.
Signed-off-by: NEugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

In order to add proper device tree support give a more general name
to of_device_id table
Signed-off-by: NLorenzo Bianconi <lorenzo.bianconi@st.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Move st_sensors_of_i2c_probe() in st_sensors_core and rename it in
st_sensors_of_name_probe(). That change is necessary to add device-tree
support in spi code otherwise the rest of the autodetection will fail
since spi->modalias (and indio_dev->name) will be set using compatible
string value that differs from standard sensor name
Signed-off-by: NLorenzo Bianconi <lorenzo.bianconi@st.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Enable multiread by default for LIS3MDL since using I2C interface
the subaddr Msb is used to automatically increase the slave address
during multiple data read/write. In the same way, using SPI interface,
bit 1 in register address is used to enable auto-increment of the slave
address in multiple read/write.

Fixes: 872e79ad (iio:magn: Add STMicroelectronics magn driver)
Signed-off-by: NLorenzo Bianconi <lorenzo.bianconi@st.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

The integration time is controlled by the ATIME register only.  However,
this register is written by i2c_smbus_write_word_data() in write_raw().

We actually don't need to write a subsequent register.  So just use
i2c_smbus_write_byte_data() instead.

Cc: Peter Meerwald <pmeerw@pmeerw.net>
Cc: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com>
Acked-by: NPeter Meerwald-Stadler <pmeerw@pmeerw.net>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

While the INA226 has a conversion ready flag (CVRF) in the R/W Mask/Enable
register with read-to-clear semantics, the corresponding bit of the INA219
(CNVR) is part of the bus voltage register. The flag is cleared by reading
the power register.
Signed-off-by: NStefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Add device tree bindings for Measurement Specialties TSYS01 temperature sensor
Signed-off-by: NManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Add of_match_table for Measurement Specialties TSYS01 temperature sensor
Signed-off-by: NManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Added support for the external hardware trigger on pin ADTRG,
integrated the three possible edges into the driver
and created buffer management for data retrieval
Signed-off-by: NEugen Hristev <eugen.hristev@microchip.com>
Acked-by: NLudovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Add property for the edge type of the hardware trigger pin ADTRG
Signed-off-by: NEugen Hristev <eugen.hristev@microchip.com>
Acked-by: NRob Herring <robh@kernel.org>
Acked-by: NLudovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

To keep IMX7D_ADC text consistent with other iio/adc entries, add
the vendor name to the driver menu text.
Signed-off-by: NFabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Add of_match_table and point it to a list of compatible device tree
device id's.
Signed-off-by: NMichael Stecklein <m-stecklein@ti.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Include datasheet links, add i2c_device_id entries, and update
kconfig help for compatible HDC10xx devices: HDC1000, HDC1008,
HDC1010, HDC1050, and HDC1080.
Signed-off-by: NMichael Stecklein <m-stecklein@ti.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Add the bindings for the family of HDC100x sensors.
Signed-off-by: NMichael Stecklein <m-stecklein@ti.com>
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Signed-off-by: NLorenzo Bianconi <lorenzo.bianconi@st.com>
Reviewed-by: NLinus Walleij <linus.walleij@linaro.org>
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Add proper support for L3GD20H gyroscope sensor. In particular:
- use L3GD20H as device name instead of L3GD20
- fix available full scales
- fix available sample frequencies

Note that the original patch listed first below introduced broken support for
this part.  The second patch drops the support as it didn't work.

This new patch brings in working support.

Fixes: 9444a300 (IIO: Add support for L3GD20H gyroscope)
Fixes: a0657716 ("iio:gyro: bug on L3GD20H gyroscope support")
Signed-off-by: NLorenzo Bianconi <lorenzo.bianconi@st.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

Add support for the BOSC0200 ACPI device id used on some x86 tablets.
note driver_data is not set to a specific model, driver_data is not
used anyways (instead detection is done on the chip_id reg) and the
2 tablets with a BOSC0200 ACPI device id I've have 2 different chips,
one has a BMA250E, the other a BMA222E.
Signed-off-by: NHans de Goede <hdegoede@redhat.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

This patch fixes the following checkpatch.pl warning:

WARNING: Prefer kmalloc_array over kmalloc with multiply
Signed-off-by: NDenis Petrovic <denis.petrovic@edu.ece.fr>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

This patch replaces several instances where a pointer is compared to NULL
(i.e., `ptr == NULL`) with `!ptr`, which is preferred.
Signed-off-by: NQuytelda Kahja <quytelda@tamalin.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

dprc.h is only used in the mc bus driver so move it together with the
sources thus making it private.
Signed-off-by: NLaurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>