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Author SHA1 Message Date
Sean Nyekjaer 269efcf0bb iio: accel: fxls8962af: add wake on event 
This adds ways for the SoC to wake from accelerometer wake events.

In the suspend function we skip disabling the sensor if wakeup-source
and events are activated.

If buffered reads are enabled they will be deactivated before suspend.
As the onboard buffer is only holding up to 32 12-bit X/Y/Z data
triplets.

Signed-off-by: Sean Nyekjaer <sean@geanix.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20210920114221.1595543-2-sean@geanix.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-19 08:27:32 +01:00
Sean Nyekjaer 131fb9f2b9 iio: accel: fxls8962af: add threshold event handling 
Add event channels that control the creation of motion events.

Signed-off-by: Sean Nyekjaer <sean@geanix.com>
Link: https://lore.kernel.org/r/20210920114221.1595543-1-sean@geanix.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-19 08:27:32 +01:00
Billy Tsai d0a4c17b40 iio: adc: aspeed: Get and set trimming data. 
The ADC controller has a trimming register for fine-tune the reference
voltage. The trimming value comes from the OTP register which will be
written during chip production. This patch will read this OTP value and
configure it to the ADC register when the ADC controller probes and using
dts property "aspeed,trim-data-valid" to determine whether to execute this
flow.

Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Link: https://lore.kernel.org/r/20210922081520.30580-12-billy_tsai@aspeedtech.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-19 08:27:32 +01:00
Billy Tsai df05f384a7 iio: adc: aspeed: Support battery sensing. 
In ast2600, ADC integrate dividing circuit at last input channel for
battery sensing. This patch use the dts property "battery-sensing" to
enable this feature makes the last channel of each adc can tolerance
higher voltage than reference voltage. The offset interface of ch7 will
be separated when enabling the battery sensing mode.

Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Link: https://lore.kernel.org/r/20210922081520.30580-11-billy_tsai@aspeedtech.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-19 08:27:32 +01:00
Billy Tsai f2836e8c4c iio: adc: aspeed: Add compensation phase. 
This patch adds a compensation phase to improve the accuracy of ADC
measurement. This is the built-in function through input half of the
reference voltage to get the ADC offset.

Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Link: https://lore.kernel.org/r/20210922081520.30580-10-billy_tsai@aspeedtech.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-19 08:27:32 +01:00
Billy Tsai 13d4f9df33 iio: adc: aspeed: Add func to set sampling rate. 
Add the function to set the sampling rate and keep the sampling period
for a driver used to wait the fresh value.
In addition, since the ADC clock is required when initializing the ADC
device, move clk_prepare_enable ahead of the initialization phase.

Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Link: https://lore.kernel.org/r/20210922081520.30580-9-billy_tsai@aspeedtech.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-19 08:27:32 +01:00
Billy Tsai 90f9647753 iio: adc: aspeed: Fix the calculate error of clock. 
The ADC clock formula is
ast2400/2500:
ADC clock period = PCLK * 2 * (ADC0C[31:17] + 1) * (ADC0C[9:0] + 1)
ast2600:
ADC clock period = PCLK * 2 * (ADC0C[15:0] + 1)
They all have one fixed divided 2 and the legacy driver didn't handle it.
This patch register the fixed factory clock device as the parent of ADC
clock scaler to fix this issue.

Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Link: https://lore.kernel.org/r/20210922081520.30580-8-billy_tsai@aspeedtech.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-19 08:27:32 +01:00
Billy Tsai 1b5ceb55fe iio: adc: aspeed: Support ast2600 adc. 
Make driver to support ast2600 adc device.
- Use shared reset controller
- Complete the vref configure function
- Add the model data for ast2600 adc

Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Link: https://lore.kernel.org/r/20210922081520.30580-7-billy_tsai@aspeedtech.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-19 08:27:32 +01:00
Billy Tsai 4c56572c26 iio: adc: aspeed: Use devm_add_action_or_reset. 
This patch use devm_add_action_or_reset to handle the error in probe
phase.

Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Link: https://lore.kernel.org/r/20210922081520.30580-6-billy_tsai@aspeedtech.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-19 08:27:32 +01:00
Billy Tsai 9223bd0471 iio: adc: aspeed: Use model_data to set clk scaler. 
This patch uses need_prescaler and scaler_bit_width to set the ADC clock
scaler.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Link: https://lore.kernel.org/r/20210922081520.30580-5-billy_tsai@aspeedtech.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-19 08:27:32 +01:00
Billy Tsai 1de952a4b1 iio: adc: aspeed: Add vref config function 
Add the function to check the vref_fixed_mv and set the value to driver
data.

Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Link: https://lore.kernel.org/r/20210922081520.30580-4-billy_tsai@aspeedtech.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-19 08:27:32 +01:00
Billy Tsai eaa74a8d51 iio: adc: aspeed: Restructure the model data 
This patch refactors the model data structure to distinguish the
function form different versions of aspeed ADC.
- Rename the vref_voltage to vref_fixed_mv and add vref_mv driver data
When driver probe will check vref_fixed_mv value and store it to vref_mv
which isn't const value.
- Add num_channels
Make num_channles of iio device can be changed by different model_data
- Add need_prescaler flag and scaler_bit_width
The need_prescaler flag is used to tell the driver the clock divider needs
another Prescaler and the scaler_bit_width to set the clock divider
bitfield width.

Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Link: https://lore.kernel.org/r/20210922081520.30580-3-billy_tsai@aspeedtech.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-19 08:27:32 +01:00
Billy Tsai 89c65417da iio: adc: aspeed: Keep model data to driver data. 
Keep the model data pointer to driver data for reducing the usage of
of_device_get_match_data().

Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Link: https://lore.kernel.org/r/20210922081520.30580-2-billy_tsai@aspeedtech.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-19 08:27:32 +01:00
Jacopo Mondi f840f41fa5 iio: ABI: Document in_concentration_co2_scale 
Document the 'in_concentration_co2_scale' standard IIO attribute.

Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Link: https://lore.kernel.org/r/20210920135413.140310-5-jacopo+renesas@jmondi.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-19 08:27:31 +01:00
Jacopo Mondi c397894e24 iio: chemical: Add Senseair Sunrise 006-0-007 driver 
Add support for the Senseair Sunrise 006-0-0007 driver through the
IIO subsystem.

Datasheet: https://rmtplusstoragesenseair.blob.core.windows.net/docs/Dev/publicerat/TDE5531.pdf
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Link: https://lore.kernel.org/r/20210920135413.140310-4-jacopo+renesas@jmondi.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-19 08:27:31 +01:00
Jacopo Mondi c3c780ef76 iio: ABI: docs: Document Senseair Sunrise ABI 
Add documentation for the sysfs attributes of the sunrise_co2 driver.

Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Link: https://lore.kernel.org/r/20210920135413.140310-3-jacopo+renesas@jmondi.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-19 08:27:31 +01:00
Jacopo Mondi c6cb6ac7b3 dt-bindings: iio: chemical: Document senseair,sunrise CO2 sensor 
Add documentation for the Senseair Sunrise 006-0-0007 CO2 NDIR sensor.

Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210920135413.140310-2-jacopo+renesas@jmondi.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-19 08:27:31 +01:00
David Heidelberg 42e1e82441 dt-bindings: iio: magnetometer: asahi-kasei,ak8975 add vid reg 
Driver and device-tree also use vid-supply regulator.

Fixes: 7e000fbff7 ("dt-bindings: iio: magnetometer: ak8975: convert format to yaml, add maintainer")
Signed-off-by: David Heidelberg <david@ixit.cz>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210913181949.83179-1-david@ixit.cz
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-19 08:27:26 +01:00
David Heidelberg 2eacfc13c6 dt-bindings: iio: kionix,kxcjk1013: driver support interrupts 
Device has interrupts support, which description was missing in the bindings.

Signed-off-by: David Heidelberg <david@ixit.cz>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210919203656.119742-1-david@ixit.cz
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-17 11:05:55 +01:00
Krzysztof Kozlowski de37b16462 iio: adc: exynos: describe drivers in KConfig 
Describe better which driver applies to which SoC, to make configuring
kernel for Samsung SoC easier.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210924133515.112357-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-17 11:05:54 +01:00
Cai Huoqing 948b3b3daf iio: adc: rockchip_saradc: Make use of the helper function devm_platform_ioremap_resource() 
Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately

Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20210908105631.1474-1-caihuoqing@baidu.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-17 11:05:54 +01:00
Cai Huoqing 7685f50798 iio: dac: stm32-dac: Make use of the helper function devm_platform_ioremap_resource() 
Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately

Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20210908105638.1525-1-caihuoqing@baidu.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-17 11:05:54 +01:00
Daniel Palmer 0fe1402069 iio: accel: mma7660: Mark acpi match table as maybe unused 
When building kernels without ACPI support the table is declared
but is not used because ACPI_PTR() turns it into a NULL.

Add the __maybe_unused attribute to stop the compiler whining.

Signed-off-by: Daniel Palmer <daniel@0x0f.com>
Link: https://lore.kernel.org/r/20210919072616.3849723-1-daniel@0x0f.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-17 11:05:54 +01:00
Alexandru Ardelean 2b025c92cd iio: light: max44000: use device-managed functions in probe 
This is a simple conversion. Both iio_device_register() and
iio_triggered_buffer_setup() functions have device-managed variants.

Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Link: https://lore.kernel.org/r/20210913120002.306280-1-aardelean@deviqon.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-17 11:05:54 +01:00
Alexandru Ardelean da6fd25909 iio: gyro: adis16080: use devm_iio_device_register() in probe 
There is nothing else that needs to be done for this driver. The remove
hook calls only the iio_device_unregister() hook.

So this driver can use devm_iio_device_register() directly.

Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Link: https://lore.kernel.org/r/20210913115308.301877-1-aardelean@deviqon.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2021-10-17 11:05:54 +01:00