further deprecate class based I2C device instantiation. All users are
converted, too. Other that that, Andi collected a number if I2C host
driver patches. Those merges have their own description.
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Merge tag 'i2c-for-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"i2c core removes an argument from the i2c_mux_add_adapter() call to
further deprecate class based I2C device instantiation. All users are
converted, too.
Other that that, Andi collected a number if I2C host driver patches.
Those merges have their own description"
* tag 'i2c-for-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (72 commits)
power: supply: sbs-manager: Remove class argument from i2c_mux_add_adapter()
i2c: mux: Remove class argument from i2c_mux_add_adapter()
i2c: synquacer: Fix an error handling path in synquacer_i2c_probe()
i2c: acpi: Unbind mux adapters before delete
i2c: designware: Replace MODULE_ALIAS() with MODULE_DEVICE_TABLE()
i2c: pxa: use 'time_left' variable with wait_event_timeout()
i2c: s3c2410: use 'time_left' variable with wait_event_timeout()
i2c: rk3x: use 'time_left' variable with wait_event_timeout()
i2c: qcom-geni: use 'time_left' variable with wait_for_completion_timeout()
i2c: jz4780: use 'time_left' variable with wait_for_completion_timeout()
i2c: synquacer: use 'time_left' variable with wait_for_completion_timeout()
i2c: stm32f7: use 'time_left' variable with wait_for_completion_timeout()
i2c: stm32f4: use 'time_left' variable with wait_for_completion_timeout()
i2c: st: use 'time_left' variable with wait_for_completion_timeout()
i2c: omap: use 'time_left' variable with wait_for_completion_timeout()
i2c: imx-lpi2c: use 'time_left' variable with wait_for_completion_timeout()
i2c: hix5hd2: use 'time_left' variable with wait_for_completion_timeout()
i2c: exynos5: use 'time_left' variable with wait_for_completion_timeout()
i2c: digicolor: use 'time_left' variable with wait_for_completion_timeout()
i2c: amd-mp2-plat: use 'time_left' variable with wait_for_completion_timeout()
...
There's one API update here, a new API factoring out a common pattern
for reference voltage supplies. These are supplies uses as a reference
by analogue circuits where the consumer requests and enables the supply,
reads the voltage to calibrate the user and then never touches it again.
This is factored out into a single operation which just returns the
voltage and uses devm_ to manage the request and enable portion.
Otherwise this has been a very quiet release, we've got some new device
support, some small fixes, housekeeping and cleanup work but nothing
substantial.
There's also some non-regulator changes in here, a number of users for
the new reference voltage API were merged along with it and some MFD
changes were pulled in as dependencies for new driver work.
Highlights:
- Add a new API for single operation handling of reference voltages.
- Support for Allwinner AXP717 and D1, and NXP PCA9561A.
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Merge tag 'regulator-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"There's one API update here, a new API factoring out a common pattern
for reference voltage supplies. These are supplies used as a reference
by analogue circuits where the consumer requests and enables the
supply, reads the voltage to calibrate the user and then never touches
it again. This is factored out into a single operation which just
returns the voltage and uses devm_ to manage the request and enable
portion.
Otherwise this has been a very quiet release, we've got some new
device support, some small fixes, housekeeping and cleanup work but
nothing substantial.
There's also some non-regulator changes in here, a number of users for
the new reference voltage API were merged along with it and some MFD
changes were pulled in as dependencies for new driver work.
Highlights:
- Add a new API for single operation handling of reference voltages
- Support for Allwinner AXP717 and D1, and NXP PCA9561A"
* tag 'regulator-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (33 commits)
regulator: sun20i: Add Allwinner D1 LDOs driver
regulator: dt-bindings: Add Allwinner D1 system LDOs
regulator: Mention regulator id in error message about dummy supplies
staging: iio: impedance-analyzer: ad5933: Use devm_regulator_get_enable_read_voltage()
iio: frequency: admv1013: Use devm_regulator_get_enable_read_voltage()
iio: addac: ad74115: Use devm_regulator_get_enable_read_voltage()
hwmon: (adc128d818) simplify final return in probe
regulator: devres: fix devm_regulator_get_enable_read_voltage() return
hwmon: (da9052) Use devm_regulator_get_enable_read_voltage()
hwmon: (adc128d818) Use devm_regulator_get_enable_read_voltage()
regulator: devres: add API for reference voltage supplies
regulator: rtq2208: Fix LDO discharge register and add vsel setting
regulator: dt-bindings: fixed-regulator: Add a preferred node name
regulator: axp20x: add support for the AXP717
mfd: axp20x: Add support for AXP717 PMIC
dt-bindings: mfd: x-powers,axp152: Document AXP717
regulator: axp20x: fix typo-ed identifier
dt-bindings: regulator: qcom,usb-vbus-regulator: Add PM7250B compatible
regulator: pca9450: add pca9451a support
regulator: dt-bindings: pca9450: add pca9451a support
...
99a741aa7a2d ("i2c: mux: gpio: remove support for class-based device
instantiation") removed the last call to i2c_mux_add_adapter() with a
non-null class argument. Therefore the class argument can be removed.
Note: Class-based device instantiation is a legacy mechanism which
shouldn't be used in new code, so we can rule out that this argument
may be needed again in the future.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Peter Rosin <peda@axentia.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
We can reduce boilerplate code by using
devm_regulator_get_enable_read_voltage().
The common mode voltage is now passed as a parameter in the init
functions so we can avoid adding a state member that is only used
during init.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20240429-regulator-get-enable-get-votlage-v2-5-b1f11ab766c1@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
We can reduce boilerplate code by using
devm_regulator_get_enable_read_voltage().
To maintain backwards compatibility in the case a DT does not provide
an avdd-supply, we fall back to calling devm_regulator_get_enable()
so that there is no change in user-facing behavior (e.g. dummy regulator
will still be in sysfs).
Also add an informative error message when we failed to get the voltage
and knowing the voltage is required while we are touching this.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240429-regulator-get-enable-get-votlage-v2-4-b1f11ab766c1@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
On some designs the chip is not properly reset when powered up at boot or
after a suspend/resume cycle.
Use the sw-reset feature to ensure that the chip is in a clean state
after probe() / resume() and in the case of resume() restore the settings
(scale, trigger-enabled).
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218578
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240326113700.56725-3-hdegoede@redhat.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
There are 2 issues with interrupt handling in the mxc4005 driver:
1. mxc4005_set_trigger_state() writes MXC4005_REG_INT_MASK1_BIT_DRDYE
(0x01) to INT_MASK1 to enable the interrupt, but to disable the interrupt
it writes ~MXC4005_REG_INT_MASK1_BIT_DRDYE which is 0xfe, so it enables
all other interrupt sources in the INT_SRC1 register. On the MXC4005 this
is not an issue because only bit 0 of the register is used. On the MXC6655
OTOH this is a problem since bit7 is used as TC (Temperature Compensation)
disable bit and writing 1 to this disables Temperature Compensation which
should only be done when running self-tests on the chip.
Write 0 instead of ~MXC4005_REG_INT_MASK1_BIT_DRDYE to disable
the interrupts to fix this.
2. The datasheets for the MXC4005 / MXC6655 do not state what the reset
value for the INT_MASK0 and INT_MASK1 registers is and since these are
write only we also cannot learn this from the hw. Presumably the reset
value for both is all 0, which means all interrupts disabled.
Explicitly set both registers to 0 from mxc4005_chip_init() to ensure
both masks are actually set to 0.
Fixes: 79846e33aa ("iio: accel: mxc4005: add support for mxc6655")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240326113700.56725-2-hdegoede@redhat.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Bosch does not use unique BMPxxx_CHIP_ID for the different versions
of the device which leads to misidentification of devices if their
ID is used. Use a new value in the chip_info structure instead of
the BMPxxx_CHIP_ID, in order to choose the correct regmap_bus to
be used.
Fixes: a9dd9ba323 ("iio: pressure: Fixes BMP38x and BMP390 SPI support")
Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
Link: https://lore.kernel.org/r/20240316110743.1998400-3-vassilisamir@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Use bme280_chip_info structure instead of bmp280_chip_info
in SPI support for the BME280 sensor.
Fixes: 0b0b772637 ("iio: pressure: bmp280: Use chip_info pointers for each chip as driver data")
Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
Link: https://lore.kernel.org/r/20240316110743.1998400-2-vassilisamir@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Here is the big set of char/misc and a number of other driver subsystem
updates for 6.9-rc1. Included in here are:
- IIO driver updates, loads of new ones and evolution of existing ones
- coresight driver updates
- const cleanups for many driver subsystems
- speakup driver additions
- platform remove callback void cleanups
- mei driver updates
- mhi driver updates
- cdx driver updates for MSI interrupt handling
- nvmem driver updates
- other smaller driver updates and cleanups, full details in the
shortlog
All of these have been in linux-next for a long time with no reported
issue, other than a build warning with some older versions of gcc for a
speakup driver, fix for that will come in a few days when I catch up
with my pending patch queues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver subsystem updates from Greg KH:
"Here is the big set of char/misc and a number of other driver
subsystem updates for 6.9-rc1. Included in here are:
- IIO driver updates, loads of new ones and evolution of existing ones
- coresight driver updates
- const cleanups for many driver subsystems
- speakup driver additions
- platform remove callback void cleanups
- mei driver updates
- mhi driver updates
- cdx driver updates for MSI interrupt handling
- nvmem driver updates
- other smaller driver updates and cleanups, full details in the
shortlog
All of these have been in linux-next for a long time with no reported
issue, other than a build warning for the speakup driver"
The build warning hits clang and is a gcc (and C23) extension, and is
fixed up in the merge.
Link: https://lore.kernel.org/all/20240321134831.GA2762840@dev-arch.thelio-3990X/
* tag 'char-misc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (279 commits)
binder: remove redundant variable page_addr
uio_dmem_genirq: UIO_MEM_DMA_COHERENT conversion
uio_pruss: UIO_MEM_DMA_COHERENT conversion
cnic,bnx2,bnx2x: use UIO_MEM_DMA_COHERENT
uio: introduce UIO_MEM_DMA_COHERENT type
cdx: add MSI support for CDX bus
pps: use cflags-y instead of EXTRA_CFLAGS
speakup: Add /dev/synthu device
speakup: Fix 8bit characters from direct synth
parport: sunbpp: Convert to platform remove callback returning void
parport: amiga: Convert to platform remove callback returning void
char: xillybus: Convert to platform remove callback returning void
vmw_balloon: change maintainership
MAINTAINERS: change the maintainer for hpilo driver
char: xilinx_hwicap: Fix NULL vs IS_ERR() bug
hpet: remove hpets::hp_clocksource
platform: goldfish: move the separate 'default' propery for CONFIG_GOLDFISH
char: xilinx_hwicap: drop casting to void in dev_set_drvdata
greybus: move is_gb_* functions out of greybus.h
greybus: Remove usage of the deprecated ida_simple_xx() API
...
Here is the big set of TTY/Serial driver updates and cleanups for
6.9-rc1. Included in here are:
- more tty cleanups from Jiri
- loads of 8250 driver cleanups from Andy
- max310x driver updates
- samsung serial driver updates
- uart_prepare_sysrq_char() updates for many drivers
- platform driver remove callback void cleanups
- stm32 driver updates
- other small tty/serial driver updates
All of these have been in linux-next for a long time with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty / serial driver updates from Greg KH:
"Here is the big set of TTY/Serial driver updates and cleanups for
6.9-rc1. Included in here are:
- more tty cleanups from Jiri
- loads of 8250 driver cleanups from Andy
- max310x driver updates
- samsung serial driver updates
- uart_prepare_sysrq_char() updates for many drivers
- platform driver remove callback void cleanups
- stm32 driver updates
- other small tty/serial driver updates
All of these have been in linux-next for a long time with no reported
issues"
* tag 'tty-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (199 commits)
dt-bindings: serial: stm32: add power-domains property
serial: 8250_dw: Replace ACPI device check by a quirk
serial: Lock console when calling into driver before registration
serial: 8250_uniphier: Switch to use uart_read_port_properties()
serial: 8250_tegra: Switch to use uart_read_port_properties()
serial: 8250_pxa: Switch to use uart_read_port_properties()
serial: 8250_omap: Switch to use uart_read_port_properties()
serial: 8250_of: Switch to use uart_read_port_properties()
serial: 8250_lpc18xx: Switch to use uart_read_port_properties()
serial: 8250_ingenic: Switch to use uart_read_port_properties()
serial: 8250_dw: Switch to use uart_read_port_properties()
serial: 8250_bcm7271: Switch to use uart_read_port_properties()
serial: 8250_bcm2835aux: Switch to use uart_read_port_properties()
serial: 8250_aspeed_vuart: Switch to use uart_read_port_properties()
serial: port: Introduce a common helper to read properties
serial: core: Add UPIO_UNKNOWN constant for unknown port type
serial: core: Move struct uart_port::quirks closer to possible values
serial: sh-sci: Call sci_serial_{in,out}() directly
serial: core: only stop transmit when HW fifo is empty
serial: pch: Use uart_prepare_sysrq_char().
...
This release sees some exciting changes from David Lechner which
implements some optimisations that have been talked about for a long
time which allows client drivers to pre-prepare SPI messages for
repeated or low latency use. This lets us move work out of latency
sensitive paths and avoid repeating work for frequently performed
operations. As well as being useful in itself this will also be used in
future to allow controllers to directly trigger SPI operations (eg, from
interrupts).
Otherwise this release has mostly been focused on cleanups, plus a
couple of new devices:
- Support for pre-optimising messages.
- A big set of updates from Uwe Kleine-König moving drivers to use APIs
with more modern terminology for controllers.
- Major overhaul of the s3c64xx driver.
- Support for Google GS101 and Samsung Exynos850.
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Merge tag 'spi-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"This release sees some exciting changes from David Lechner which
implements some optimisations that have been talked about for a long
time which allows client drivers to pre-prepare SPI messages for
repeated or low latency use. This lets us move work out of latency
sensitive paths and avoid repeating work for frequently performed
operations. As well as being useful in itself this will also be used
in future to allow controllers to directly trigger SPI operations (eg,
from interrupts).
Otherwise this release has mostly been focused on cleanups, plus a
couple of new devices:
- Support for pre-optimising messages
- A big set of updates from Uwe Kleine-König moving drivers to use
APIs with more modern terminology for controllers
- Major overhaul of the s3c64xx driver
- Support for Google GS101 and Samsung Exynos850"
* tag 'spi-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (122 commits)
spi: Introduce SPI_INVALID_CS and is_valid_cs()
spi: Fix types of the last chip select storage variables
spi: Consistently use BIT for cs_index_mask
spi: Exctract spi_dev_check_cs() helper
spi: Exctract spi_set_all_cs_unused() helper
spi: s3c64xx: switch exynos850 to new port config data
spi: s3c64xx: switch gs101 to new port config data
spi: s3c64xx: deprecate fifo_lvl_mask, rx_lvl_offset and port_id
spi: s3c64xx: get rid of the OF alias ID dependency
spi: s3c64xx: introduce s3c64xx_spi_set_port_id()
spi: s3c64xx: let the SPI core determine the bus number
spi: s3c64xx: allow FIFO depth to be determined from the compatible
spi: s3c64xx: retrieve the FIFO depth from the device tree
spi: s3c64xx: determine the fifo depth only once
spi: s3c64xx: allow full FIFO masks
spi: s3c64xx: define a magic value
spi: dt-bindings: introduce FIFO depth properties
spi: axi-spi-engine: use struct_size() macro
spi: axi-spi-engine: use __counted_by() attribute
spi: axi-spi-engine: remove p from struct spi_engine_message_state
...
Reference the of_device_id table in the driver structure, so it will be
used for module autoloading and device matching. This fixes clang W=1
warning:
isl29501.c:999:34: error: unused variable 'isl29501_i2c_matches' [-Werror,-Wunused-const-variable]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240225201654.49450-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Drop description of non-existing 'struct pm8xxx_chan_info' member:
qcom-pm8xxx-xoadc.c:386: warning: Excess struct member 'scale_fn_type' description in 'pm8xxx_chan_info'
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240225202744.60500-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
devm_reset_control_get_optional_exclusive does what this driver is
trying to do in its probe function, therefore let's switch over to that
subsystem function.
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240223-saradcv2-chan-mask-v1-3-84b06a0f623a@theobroma-systems.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Some of the registers on the SARADCv2 have bits write protected except
if another bit is set. This is usually done by having the lowest 16 bits
store the data to write and the highest 16 bits specify which of the 16
lowest bits should have their value written to the hardware block.
The write_enable mask for the channel selection was incorrect because it
was just the value shifted by 16 bits, which means it would only ever
write bits and never clear them. So e.g. if someone starts a conversion
on channel 5, the lowest 4 bits would be 0x5, then starts a conversion
on channel 0, it would still be 5.
Instead of shifting the value by 16 as the mask, let's use the OR'ing of
the appropriate masks shifted by 16.
Note that this is not an issue currently because the only SARADCv2
currently supported has a reset defined in its Device Tree, that reset
resets the SARADC controller before starting a conversion on a channel.
However, this reset is handled as optional by the probe function and
thus proper masking should be used in the event an SARADCv2 without a
reset ever makes it upstream.
Fixes: 757953f8ec ("iio: adc: rockchip_saradc: Add support for RK3588")
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20240223-saradcv2-chan-mask-v1-2-84b06a0f623a@theobroma-systems.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The SARADCv2 on RK3588 (the only SoC currently supported that has an
SARADCv2) selects the channel through the channel_sel bitfield which is
the 4 lowest bits, therefore the mask should be GENMASK(3, 0) and not
GENMASK(15, 0).
Fixes: 757953f8ec ("iio: adc: rockchip_saradc: Add support for RK3588")
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240223-saradcv2-chan-mask-v1-1-84b06a0f623a@theobroma-systems.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Getting the part name with 'spi_get_device_id(spi)->name' is not a very
good pattern. Hence, explicitly add the name in the struct chip_info and
use that instead.
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240222-ltc2983-misc-improv-v1-4-cf7d4457e98c@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The "val" variable comes from the user so we need to ensure that it's not
zero. In fact, all negative values are invalid as well. Add a check for
that.
Fixes: 00ef7708fa ("iio: adc: ti-ads1298: Add driver")
Acked-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/c32c9087-86de-423b-8101-67b4a7f9d728@moroto.mountain
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
There is a copy and paste bug here, it should be "reg_vref" instead of
"reg_avdd". The "priv->reg_avdd" variable is zero so it ends up
returning success.
Fixes: 00ef7708fa ("iio: adc: ti-ads1298: Add driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Mike Looijmans <mike.looijmans@topic.nl>
Link: https://lore.kernel.org/r/5f393a87-ca8b-4e68-a6f4-a79f75a91ccb@moroto.mountain
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This adds support for LTC6373 36 V Fully-Differential Programmable-Gain
Instrumentation Amplifier with 25 pA Input Bias Current.
The user can program the gain to one of seven available settings through
a 3-bit parallel interface (A2 to A0).
Signed-off-by: Dumitru Ceclan <mitrutzceclan@gmail.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240220153553.2432-6-mitrutzceclan@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Change the match table to use pointers instead of device ids.
Remove type from state as it is not used anymore.
Also make the chip_info structures const.
Signed-off-by: Dumitru Ceclan <mitrutzceclan@gmail.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240220153553.2432-4-mitrutzceclan@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Move gain-dB<->code conversion logic from read_raw and write_raw to
chip_info callbacks.
Signed-off-by: Dumitru Ceclan <mitrutzceclan@gmail.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240220153553.2432-2-mitrutzceclan@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add support to specify the VCC supply which is required to power the
device. According the datasheet 7.3.1 Power Up, the device needs 1.5ms
after the supply voltage reaches the operating range before the
communcation can begin.
Signed-off-by: Thomas Haemmerle <thomas.haemmerle@leica-geosystems.com>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Link: https://lore.kernel.org/r/20240219131114.134607-2-m.felsch@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
of.h was only included for this definition, so include the correct header
instead.
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240218173323.1023703-9-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The only of specific definition used is of_device_id table and that
is found in mod_devicetable.h not of.h
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240218173323.1023703-8-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The only of specific definition used is of_device_id table and that
is found in mod_devicetable.h not of.h
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240218173323.1023703-7-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The only of specific definition used is of_device_id table and that
is found in mod_devicetable.h not of.h
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240218173323.1023703-6-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
of.h was only included to get access to this structure, so include the
correct header directly instead.
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240218173323.1023703-5-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The only of specific definition used is of_device_id table and that
is found in mod_devicetable.h not of.h
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240218173323.1023703-4-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Nothing from linux/of.h used in this driver.
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240218173323.1023703-3-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Nothing from linux/of.h is used in this driver.
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240218173323.1023703-2-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
As specified in the datasheet, the I2C FIFO data register is
0x18, not 0x42. 0x42 was used by mistake when adapting the
ADXL372 driver.
Fix this mistake.
Fixes: cbab791c5e ("iio: accel: add ADXL367 driver")
Signed-off-by: Cosmin Tanislav <demonsingur@gmail.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240207033657.206171-2-demonsingur@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
regmap_read_poll_timeout() will not sleep before reading,
causing the first read to return -ENXIO on I2C, since the
chip does not respond to it while it is being reset.
The datasheet specifies that a soft reset operation has a
latency of 7.5ms.
Add a 15ms sleep between reset and reading the DEVID register,
and switch to a simple regmap_read() call.
Fixes: cbab791c5e ("iio: accel: add ADXL367 driver")
Signed-off-by: Cosmin Tanislav <demonsingur@gmail.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240207033657.206171-1-demonsingur@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
IIO Backend support
===================
New approach from Nuno Sa to the problem of reuse of drivers with
IIO devices that are actually the combination of a highspeed chip
and an FPGA core handling the data capture and flows. It will hopefully
also apply to some other split designs. The ad9467 and axi-adi drivers
are converted over to this framework.
New device support
==================
adi,admfm2000
- New driver for this dual microwave down converter.
ams,as73211
- Add support for as7331 UV sensor.
richtek,rtq6056
- Add support for related parts RTQ6053 and RTQ6059
st,lsm6dsx
- Add ASM330LHHXG1 accelerometer and gyro support (mainly IDs)
ti,ads1298
- New driver for this medical ADC.
Features
========
tests
- Unit tests for the gain-time-scale helper library.
bosch,bmi088
- I2C support.
bosh,bmi160
- Add 10EC5280 ACPI ID. Used in a number of devices that won't get fixed.
The ID is actually a PCI ID belonging to realtech. No response was received
to earlier attempts to notify them of this.
The manufacturers of some devices have replied to say they will not fix
this incorrect ID. Add the ID and hope it isn't a problem.
bosch,bmi323
- Add BOSC0200 ACPI ID. Note this is a duplicate of one in the bmc150
driver (it appears these parts share a windows driver).
Both drivers perform an ID check that is safe on the other part before
successfully probing.
hid-sensors-als
- Add color temperature and chromaticity support. Note this is a replacement
for the series reverted in 6.8 that correctly handles all the potential
channel combinations.
honeywell,hsc030pa
- Triggered buffer support (after driver cleanup).
honeywell,mprls00025pa
- Improved error handling.
- New DT binding to allow use of part number triplet as provided in data sheet
to specify equivalent of most of the binding more efficiently.
- SPI support.
memsic,mxc4005
- ACPI ID MDA6655 as seen in the Chuwi Minibook X 2023
ti,hdc3020
- Add threshold event support (after some driver cleanup)
veml,vcnl4000
- Switch to high resolution proximity measurement.
Cleanup
=======
Various minor typo fixes and better use of defines etc.
Treewide
- Stop using ACPI_PTR(). The savings in space are small and not worth
the complexity of __maybe_unused of ifdef guards. To avoid use in
new IIO drivers based on copy and paste, clean it out.
- cleanup.h based handling of iio_device_claim_direct_mode()/
iio_device_release_direct_mode() using scope_cond_guard().
In many drivers this is combined with other automated cleanup
to give maximum simplifications.
An initial set of drivers are converted over to this infrastructure.
Tools
- Use rewinddir() instead of seekdir() to return to start of file.
core
- Make iio_bus_type constant.
adi,ad16475
- Use irq_get_trigger_type() instead of opencoding.
adi,ad16480
- Use irq_get_trigger_type() instead of opencoding.
adi,ad-sigma-delta
- Avoid overwriting IRQ flags if provided by firmware.
ams,as73211
- Use IIO_VAL_FRACTIONAL for scales to simplify the code and potentially
improve accuracy.
gts-library
- Use a div64_u64() instead of a loop to do a division.
honeywell,mprls00025pa
- Clean up dt-binding doc.
- Drop defaults when DT binding not providing values. Very unlikely
these were useful given they were wrong for vast majority of supported
devices.
- Whitespace cleanup
miramems,da280
- Use i2c_get_match_data() to replace hand rolled ACPI matching code.
semtech,sx9324
- Avoid unnecessary copying of property strings.
st,lsm6dsx
- Improve docs, particularly wrt to making addition of new device
support less noisy.
st,lsm9ds0
- Use dev_err_probe() in all probe() error handling.
- Improved header includes.
- Tidy up termination of ID tables.
ti,ads1014
- Correct upper bound on PGA (wrong value had no actual impact)
ti,afe4403/4404
- devm_ useage to simplify error handling in probe() and allow() remove to
be dropped.
voltage-divider
- Add dt-binding for io-channel-cells to allow such a device to be both
an IIO consumer and IIO producer at the same time.
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Merge tag 'iio-for-6.9a' of http://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
IIO: 1st set of new device support, features and cleanup for 6.9
IIO Backend support
===================
New approach from Nuno Sa to the problem of reuse of drivers with
IIO devices that are actually the combination of a highspeed chip
and an FPGA core handling the data capture and flows. It will hopefully
also apply to some other split designs. The ad9467 and axi-adi drivers
are converted over to this framework.
New device support
==================
adi,admfm2000
- New driver for this dual microwave down converter.
ams,as73211
- Add support for as7331 UV sensor.
richtek,rtq6056
- Add support for related parts RTQ6053 and RTQ6059
st,lsm6dsx
- Add ASM330LHHXG1 accelerometer and gyro support (mainly IDs)
ti,ads1298
- New driver for this medical ADC.
Features
========
tests
- Unit tests for the gain-time-scale helper library.
bosch,bmi088
- I2C support.
bosh,bmi160
- Add 10EC5280 ACPI ID. Used in a number of devices that won't get fixed.
The ID is actually a PCI ID belonging to realtech. No response was received
to earlier attempts to notify them of this.
The manufacturers of some devices have replied to say they will not fix
this incorrect ID. Add the ID and hope it isn't a problem.
bosch,bmi323
- Add BOSC0200 ACPI ID. Note this is a duplicate of one in the bmc150
driver (it appears these parts share a windows driver).
Both drivers perform an ID check that is safe on the other part before
successfully probing.
hid-sensors-als
- Add color temperature and chromaticity support. Note this is a replacement
for the series reverted in 6.8 that correctly handles all the potential
channel combinations.
honeywell,hsc030pa
- Triggered buffer support (after driver cleanup).
honeywell,mprls00025pa
- Improved error handling.
- New DT binding to allow use of part number triplet as provided in data sheet
to specify equivalent of most of the binding more efficiently.
- SPI support.
memsic,mxc4005
- ACPI ID MDA6655 as seen in the Chuwi Minibook X 2023
ti,hdc3020
- Add threshold event support (after some driver cleanup)
veml,vcnl4000
- Switch to high resolution proximity measurement.
Cleanup
=======
Various minor typo fixes and better use of defines etc.
Treewide
- Stop using ACPI_PTR(). The savings in space are small and not worth
the complexity of __maybe_unused of ifdef guards. To avoid use in
new IIO drivers based on copy and paste, clean it out.
- cleanup.h based handling of iio_device_claim_direct_mode()/
iio_device_release_direct_mode() using scope_cond_guard().
In many drivers this is combined with other automated cleanup
to give maximum simplifications.
An initial set of drivers are converted over to this infrastructure.
Tools
- Use rewinddir() instead of seekdir() to return to start of file.
core
- Make iio_bus_type constant.
adi,ad16475
- Use irq_get_trigger_type() instead of opencoding.
adi,ad16480
- Use irq_get_trigger_type() instead of opencoding.
adi,ad-sigma-delta
- Avoid overwriting IRQ flags if provided by firmware.
ams,as73211
- Use IIO_VAL_FRACTIONAL for scales to simplify the code and potentially
improve accuracy.
gts-library
- Use a div64_u64() instead of a loop to do a division.
honeywell,mprls00025pa
- Clean up dt-binding doc.
- Drop defaults when DT binding not providing values. Very unlikely
these were useful given they were wrong for vast majority of supported
devices.
- Whitespace cleanup
miramems,da280
- Use i2c_get_match_data() to replace hand rolled ACPI matching code.
semtech,sx9324
- Avoid unnecessary copying of property strings.
st,lsm6dsx
- Improve docs, particularly wrt to making addition of new device
support less noisy.
st,lsm9ds0
- Use dev_err_probe() in all probe() error handling.
- Improved header includes.
- Tidy up termination of ID tables.
ti,ads1014
- Correct upper bound on PGA (wrong value had no actual impact)
ti,afe4403/4404
- devm_ useage to simplify error handling in probe() and allow() remove to
be dropped.
voltage-divider
- Add dt-binding for io-channel-cells to allow such a device to be both
an IIO consumer and IIO producer at the same time.
* tag 'iio-for-6.9a' of http://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (106 commits)
iio: imu: bmi323: Add ACPI Match Table
iio: accel: bmc150: Document duplicate ACPI entries with bmi323 driver
iio: adc: ti-ads1298: Add driver
dt-bindings: iio: adc: ti-ads1298: Add bindings
iio: pressure: hsc030pa add triggered buffer
iio: pressure: hsc030pa add mandatory delay
iio: pressure: hsc030pa: update datasheet URLs
iio: pressure: hsc030pa: include cleanup
iio: pressure: hsc030pa: use signed type to hold div_64() result
dt-bindings: iio: pressure: honeywell,hsc030pa.yaml add spi props
iio: st_sensors: lsm9ds0: Use common style for terminator in ID tables
iio: st_sensors: lsm9ds0: Don't use "proxy" headers
iio: st_sensors: lsm9ds0: Use dev_err_probe() everywhere
iio: adc: adi-axi-adc: move to backend framework
iio: adc: ad9467: convert to backend framework
iio: add the IIO backend framework
iio: buffer-dmaengine: export buffer alloc and free functions
of: property: add device link support for io-backends
dt-bindings: adc: axi-adc: update bindings for backend framework
dt-bindings: adc: ad9467: add new io-backend property
...
3 bytes were being read but 4 were being written. Explicitly initialize
the unused bytes to 0 and refactor the loop to use direct array
indexing, which appears to silence a Clang false positive warning[1].
Indent improvement included for readability of the fixed code.
Link: https://github.com/ClangBuiltLinux/linux/issues/2000 [1]
Fixes: ac78c6aa4a ("iio: pressure: Add driver for DLH pressure sensors")
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240223172936.it.875-kees@kernel.org
Cc: <Stable@vger.kerenl.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Track correctly FIFO state and apply ODR change before starting
the chip. Without the fix, you cannot change ODR more than 1 time
when data buffering is off. This restriction on a single pending ODR
change should only apply when the FIFO is on.
Fixes: 111e1abd00 ("iio: imu: inv_mpu6050: use the common inv_sensors timestamp module")
Cc: stable@vger.kernel.org
Signed-off-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://lore.kernel.org/r/20240219154741.90601-1-inv.git-commit@tdk.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
According to the datasheet of BMP38x and BMP390 devices, for an SPI
read operation the first byte that is returned needs to be dropped,
and the rest of the bytes are the actual data returned from the
sensor.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Fixes: 8d32930918 ("iio: pressure: bmp280: Add support for BMP380 sensor family")
Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
Acked-by: Angel Iglesias <ang.iglesiasg@gmail.com>
Link: https://lore.kernel.org/r/20240219191359.18367-1-vassilisamir@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Now that we are reading the full FIFO in the interrupt handler,
it is possible to have an emply FIFO since we are still receiving
1 interrupt per data. Handle correctly this case instead of having
an error causing a reset of the FIFO.
Fixes: 0829edc43e ("iio: imu: inv_mpu6050: read the full fifo when processing data")
Cc: stable@vger.kernel.org
Signed-off-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://lore.kernel.org/r/20240219154825.90656-1-inv.git-commit@tdk.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Adds the ACPI match table for ASUS ROG ALLY to load the bmi323
driver with an ACPI match of "BOSC0200", and a comment about duplicate
ACPI identifiers between devices using the bmc150 and bmi323 chips.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Co-developed-by: Luke D. Jones <luke@ljones.dev>
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Co-developed-by: Denis Benato <benato.denis96@gmail.com>
Signed-off-by: Denis Benato <benato.denis96@gmail.com>
Co-developed-by: Antheas Kapenekakis <lkml@antheas.dev>
Signed-off-by: Antheas Kapenekakis <lkml@antheas.dev>
Signed-off-by: Jonathan LoBue <jlobue10@gmail.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240216182308.27125-1-jlobue10@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Adds a description of the duplicate ACPI identifier issue
between devices using bmc150 and bmi323.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Co-developed-by: Luke D. Jones <luke@ljones.dev>
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Co-developed-by: Denis Benato <benato.denis96@gmail.com>
Signed-off-by: Denis Benato <benato.denis96@gmail.com>
Co-developed-by: Antheas Kapenekakis <lkml@antheas.dev>
Signed-off-by: Antheas Kapenekakis <lkml@antheas.dev>
Signed-off-by: Jonathan LoBue <jlobue10@gmail.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240216182253.27069-1-jlobue10@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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 <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Link: https://lore.kernel.org/r/20240216153020.485201-2-mike.looijmans@topic.nl
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
