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The devm_nvmem_register() function returns error pointers. It never
returns NULL. Update the checks accordingly.
Fixes: 0969001569e4 ("misc: microchip: pci1xxxx: Add support to read and write into PCI1XXXX OTP via NVMEM sysfs")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/043df330-222b-4c2c-ae19-ed2f731bfe0b@moroto.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is no need to call the dev_err_probe() function directly to print
a custom message when handling an error from platform_get_irq_byname()
function as it is going to display an appropriate error message
in case of a failure.
Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20230807093010.2112302-1-ruanjinjie@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the driver core allows for struct class to be in read-only
memory, move the ilo_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at boot time.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Link: https://lore.kernel.org/r/20230810194239.26892-1-ivan.orlov0322@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that the driver core allows for struct class to be in read-only
memory, move the class_genwqe structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at boot time. Update the 'class_genwqe' field of the
'genwqe_dev' struct correspondingly.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Link: https://lore.kernel.org/r/20230810182711.22664-1-ivan.orlov0322@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use the helper function devm_kmemdup() rather than duplicating its
implementation, which helps to enhance code readability.
Signed-off-by: Li Zetao <lizetao1@huawei.com>
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Link: https://lore.kernel.org/r/20230810115049.2104099-1-lizetao1@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
========
Core
----
- Skipped MHI reset if the device is in RDDM EE (Ramdump mode) since the device
cannot process reset request.
- Updated the sysfs contact details to use MHI list instead of bouncing
codeaurora email ids.
- Added support to allow MHI client drivers to provide the device firmware via
a pointer. This is required to support new firmware format to be used by
ath11k drivers.
- Used vcalloc instead of vzalloc to protect against multiplication overflows.
- Removed decrementing one unused parameter.
pci_generic
-----------
- Added support for MHI SW channels (IP_SW0) so that the host can transfer data
from devices over networking interface through this specific channel.
- Added support for a clone of Quectel RM520N-GL modem which uses a different
PID as it is targeted for laptop usecase.
- Added support for a clone of Quectel EM160R-GL modem which uses a different
PID as it is targeted for laptop usecase.
- Added support for another clone of Quectel RM520N-GL modem which uses a
different PID as it is targeted for Lenovo laptop usecase.
- Added support for Dell DW5932e modem (both eSIM and non-eSIM variants).
- Added support for Telit FE990 modem.
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Merge tag 'mhi-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi into char-misc-next
Manivannan writes:
MHI Host
========
Core
----
- Skipped MHI reset if the device is in RDDM EE (Ramdump mode) since the device
cannot process reset request.
- Updated the sysfs contact details to use MHI list instead of bouncing
codeaurora email ids.
- Added support to allow MHI client drivers to provide the device firmware via
a pointer. This is required to support new firmware format to be used by
ath11k drivers.
- Used vcalloc instead of vzalloc to protect against multiplication overflows.
- Removed decrementing one unused parameter.
pci_generic
-----------
- Added support for MHI SW channels (IP_SW0) so that the host can transfer data
from devices over networking interface through this specific channel.
- Added support for a clone of Quectel RM520N-GL modem which uses a different
PID as it is targeted for laptop usecase.
- Added support for a clone of Quectel EM160R-GL modem which uses a different
PID as it is targeted for laptop usecase.
- Added support for another clone of Quectel RM520N-GL modem which uses a
different PID as it is targeted for Lenovo laptop usecase.
- Added support for Dell DW5932e modem (both eSIM and non-eSIM variants).
- Added support for Telit FE990 modem.
* tag 'mhi-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi:
bus: mhi: host: pci_generic: add support for Telit FE990 modem
bus: mhi: host: remove unused-but-set parameter
bus: mhi: host: pci_generic: Add support for Quectel RM520N-GL Lenovo variant
bus: mhi: host: allow MHI client drivers to provide the firmware via a pointer
docs: ABI: sysfs-bus-mhi: Update contact info
bus: mhi: host: use vmalloc_array and vcalloc
bus: mhi: host: pci_generic: Add support for Dell DW5932e
bus: mhi: host: pci_generic: Add support for Quectel RM520N-GL modem
bus: mhi: host: pci_generic: Add support for Quectel EM160R-GL modem
bus: mhi: host: pci_generic: Add support for IP_SW0 channels
bus: mhi: host: Skip MHI reset if device is in RDDM
New device support
* adi,ad8366
- Add support for the HMC792 digital attenuator (mostly chip specific data)
* alwinner,sun20i-gpadc
- New driver for the integrated ADC on a number of allwinner SoCs
including dt-binding documentation.
* microchip,mcp4728
- New driver for this quad channel DAC. Includes dt-bindings.
* miramems, da280
- Add ID for DA217 accelerometer which is compatible with the da280.
* murata,irs-d200
- New driver for this passive infrared sensor typically used for human
detection. Includes bindings and a few pieces of new ABI to
cover a case of needing to count a number of repeats of an event
before reporting it.
* rohm,bu27008
- Add initial support for the BU27010 RGB + flickering sensor to this
driver. Substantial refactoring was needed to enable this.
Features
* adi,admv8818
- Add mode that bypasses the input and output filters.
* amlogic,meson
- Support control of the MUX on channel 7, exposed as multiple channels.
- Support channel labels.
* sensirion,scd4x
- Add pressure compensation. Controlled via an 'output' pressure channel.
* ti,lmp92040
- Add IIO buffered supported (read via chrdev).
* vishay,vcnl4000
- Add proximity interrupt support for vcnl4200.
- Add proximity integration time control for vcnl4200.
- Add illuminance integration time control for vcnl4040 and vcnl4200.
- Add calibration bias, proximity and illuminance event period, and
oversampling ratio control for vcnl4040 and vncl4200.
Cleanup and minor fixes
* core
- Tidy up handling of set_trigger_state() callback return values
to consistently assume no positive return values.
- Use min() rather than min_t() in a case where types were clearly
the same.
- Drop some else statements that follow continue with a loop or
a returns.
- White space and comment format cleanup.
- Use sysfs_match_string() helper to improve readability.
- Use krealloc_array() to make it explicit a krealloc is for an array
of structures, not just one.
* tools
- Tidy up potential overflow in array index.
* tree wide
- Fix up includes for DT related headers.
- Drop some error prints in places where as similar error message
is printed by the function being called.
- Tidy up handling of return value from platform_get_irq() to no longer
take into account 0 as a value that might be returned. Similar for
fwnode_irq_get().
* adi,ad7192
- Add missing error check and improved debug logging.
- Use sysfs_emit_at() rather than open coded variant.
* adi,adis16475
- Drop unused scan element enum entries.
- Specify that a few more devices support burst32 mode.
* adi,admv1013
- Enable all required regulators and document as required in the
dt-binding.
* adi,admv1014
- Make all regulators required in the dt-binding as the device needs
them all enabled.
* adi,adxl313
- Fix wrong enum values being used in the i2c_device_id table.
- Use i2c_get_match_data() to reduce open coded handling of the
various id tables.
* allwinner,gpadc
- Make the kconfig text more specific to make space for separate drivers
for other Allwinner devices.
* amlogic,meson
- Drop unused timestamp channels as no buffer support.
- Various minor reorganizations to enable addition of support channel 7
MUX.
- Initialize some default values to account for potential previous user
since reboot.
* qcom,spmi-adc5
- Add ADC5_GPIO2_100K_PU support to driver to line up with bindings.
* qcom,spmi-adc7
- Use predefined channel ID definitions rather than values.
* invensense, common
- Factor out the timestamp handling to a module used by both mpu6050 and
icm42600.
* invensense,mpu6050
- Read as many FIFO elements as possible in one bus access.
* men,s188
- Drop redundant initialization of driver owner field.
* microchip,mcp4018 and mcp4531
- Use i2c_get_match_data() instead of open coding. Includes making the
data format the same for the i2c_device_id and firmware match
tables.
* semtech,sx9310
- dt-bindings: Add reference to IIO schema to provide the label property.
* semtech,sx9324
- dt-bindings: Add reference to IIO schema to provide the label property.
* st,stm32-adc
- Use devm_platform_get_and_ioremap_resource() instead of open coded
version.
* st,stm-lptimer-trigger
- Drop setting platform drvdata as it wasn't then used.
* ti,ads1015
- Fix wrong dt binding description of ti,datarate for some devices.
* vishay,vcnl4200
- Move to switch statements for channel type checking to make later
additions simpler.
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Merge tag 'iio-for-6.6a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
1st set of IIO new device support, features and cleanup for 6.6
New device support
* adi,ad8366
- Add support for the HMC792 digital attenuator (mostly chip specific data)
* alwinner,sun20i-gpadc
- New driver for the integrated ADC on a number of allwinner SoCs
including dt-binding documentation.
* microchip,mcp4728
- New driver for this quad channel DAC. Includes dt-bindings.
* miramems, da280
- Add ID for DA217 accelerometer which is compatible with the da280.
* murata,irs-d200
- New driver for this passive infrared sensor typically used for human
detection. Includes bindings and a few pieces of new ABI to
cover a case of needing to count a number of repeats of an event
before reporting it.
* rohm,bu27008
- Add initial support for the BU27010 RGB + flickering sensor to this
driver. Substantial refactoring was needed to enable this.
Features
* adi,admv8818
- Add mode that bypasses the input and output filters.
* amlogic,meson
- Support control of the MUX on channel 7, exposed as multiple channels.
- Support channel labels.
* sensirion,scd4x
- Add pressure compensation. Controlled via an 'output' pressure channel.
* ti,lmp92040
- Add IIO buffered supported (read via chrdev).
* vishay,vcnl4000
- Add proximity interrupt support for vcnl4200.
- Add proximity integration time control for vcnl4200.
- Add illuminance integration time control for vcnl4040 and vcnl4200.
- Add calibration bias, proximity and illuminance event period, and
oversampling ratio control for vcnl4040 and vncl4200.
Cleanup and minor fixes
* core
- Tidy up handling of set_trigger_state() callback return values
to consistently assume no positive return values.
- Use min() rather than min_t() in a case where types were clearly
the same.
- Drop some else statements that follow continue with a loop or
a returns.
- White space and comment format cleanup.
- Use sysfs_match_string() helper to improve readability.
- Use krealloc_array() to make it explicit a krealloc is for an array
of structures, not just one.
* tools
- Tidy up potential overflow in array index.
* tree wide
- Fix up includes for DT related headers.
- Drop some error prints in places where as similar error message
is printed by the function being called.
- Tidy up handling of return value from platform_get_irq() to no longer
take into account 0 as a value that might be returned. Similar for
fwnode_irq_get().
* adi,ad7192
- Add missing error check and improved debug logging.
- Use sysfs_emit_at() rather than open coded variant.
* adi,adis16475
- Drop unused scan element enum entries.
- Specify that a few more devices support burst32 mode.
* adi,admv1013
- Enable all required regulators and document as required in the
dt-binding.
* adi,admv1014
- Make all regulators required in the dt-binding as the device needs
them all enabled.
* adi,adxl313
- Fix wrong enum values being used in the i2c_device_id table.
- Use i2c_get_match_data() to reduce open coded handling of the
various id tables.
* allwinner,gpadc
- Make the kconfig text more specific to make space for separate drivers
for other Allwinner devices.
* amlogic,meson
- Drop unused timestamp channels as no buffer support.
- Various minor reorganizations to enable addition of support channel 7
MUX.
- Initialize some default values to account for potential previous user
since reboot.
* qcom,spmi-adc5
- Add ADC5_GPIO2_100K_PU support to driver to line up with bindings.
* qcom,spmi-adc7
- Use predefined channel ID definitions rather than values.
* invensense, common
- Factor out the timestamp handling to a module used by both mpu6050 and
icm42600.
* invensense,mpu6050
- Read as many FIFO elements as possible in one bus access.
* men,s188
- Drop redundant initialization of driver owner field.
* microchip,mcp4018 and mcp4531
- Use i2c_get_match_data() instead of open coding. Includes making the
data format the same for the i2c_device_id and firmware match
tables.
* semtech,sx9310
- dt-bindings: Add reference to IIO schema to provide the label property.
* semtech,sx9324
- dt-bindings: Add reference to IIO schema to provide the label property.
* st,stm32-adc
- Use devm_platform_get_and_ioremap_resource() instead of open coded
version.
* st,stm-lptimer-trigger
- Drop setting platform drvdata as it wasn't then used.
* ti,ads1015
- Fix wrong dt binding description of ti,datarate for some devices.
* vishay,vcnl4200
- Move to switch statements for channel type checking to make later
additions simpler.
* tag 'iio-for-6.6a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (73 commits)
Documentation: ABI: testing: admv8818: add bypass
drivers: iio: filter: admv8818: add bypass mode
iio: light: bd27008: Support BD27010 RGB
iio: light: bu27008: add chip info
dt-bindings: iio: ROHM BU27010 RGBC + flickering sensor
iio: add MCP4728 I2C DAC driver
dt-bindings: iio: dac: add mcp4728.yaml
drivers: iio: admv1013: add vcc regulators
dt-bindings: iio: admv1013: add vcc regulators
iio: trigger: stm32-lptimer-trigger: remove unneeded platform_set_drvdata()
iio: adc: men_z188_adc: Remove redundant initialization owner in men_z188_driver
dt-bindings: iio: admv1014: make all regs required
iio: cdc: ad7150: relax return value check for IRQ get
iio: mb1232: relax return value check for IRQ get
iio: adc: fix the return value handle for platform_get_irq()
tools: iio: iio_generic_buffer: Fix some integer type and calculation
iio: potentiometer: mcp4531: Use i2c_get_match_data()
iio: potentiometer: mcp4018: Use i2c_get_match_data()
iio: core: Fix issues and style of the comments
iio: core: Switch to krealloc_array()
...
Add support for Telit FE990 that has the same configuration as FN990:
$ lspci -vv
04:00.0 Unassigned class [ff00]: Qualcomm Device 0308
Subsystem: Device 1c5d:2015
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://lore.kernel.org/r/20230804094039.365102-1-dnlplm@gmail.com
[mani: minor update to commit subject and adjusted comment]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Clang warns about a parameter that is decremented but never evaluated here:
bus/mhi/host/main.c:803:13: error: parameter 'event_quota' set but not used [-Werror,-Wunused-but-set-parameter]
u32 event_quota)
Remove the access to the variable to avoid that warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://lore.kernel.org/r/20230811134547.3231160-1-arnd@kernel.org
[mani: minor spelling fix to commit message]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
The module loads firmware so add a MODULE_FIRMWARE macro to provide that
information via modinfo.
Fixes: 6a794a27daca ("fsi: master-ast-cf: Add new FSI master using Aspeed ColdFire")
Cc: stable@vger.kernel.org # 4.19+
Signed-off-by: Juerg Haefliger <juerg.haefliger@canonical.com>
Link: https://lore.kernel.org/r/20230628095039.26218-1-juerg.haefliger@canonical.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
Correct spelling problems as identified by codespell.
Correct one grammar error.
Fixes: 9a93de620e0a ("docs: ABI: testing: Document the SBEFIFO timeout interface")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Eddie James <eajames@linux.ibm.com>
Cc: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20230710052305.29611-1-rdunlap@infradead.org
Signed-off-by: Joel Stanley <joel@jms.id.au>
The I2CR has the capability to directly perform SCOM operations,
circumventing the need to drive the FSI2PIB engine. Add a new
driver to perform SCOM operations through the I2CR.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20230612195657.245125-15-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
The I2C Responder (I2CR) is an I2C device that translates I2C commands
to CFAM or SCOM operations, effectively implementing an FSI master and
bus.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20230612195657.245125-14-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
The I2C Responder translates I2C commands to CFAM or SCOM operations,
effectively implementing an FSI master.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230612195657.245125-13-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
Because master device registration may cause hub master scans, or
user scans may begin before device registration has ended, so the
master scan lock must be held while registering the device.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20230809180814.151984-3-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
Master indexing is problematic if a hub is rescanned while the
root master is being rescanned. Always allocate an index for the
FSI master, and set the device name if it hasn't already been set.
Move the call to ida_free to the bottom of master unregistration
and set the number of links to 0 in case another call to scan
comes in before the device is removed.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20230809180814.151984-2-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
The legacy minor numbering shifts the chip id too much,
resulting in ids that overlap with regular ids. Since there
are only 2 bits for 4 types, only shift the chip id by 2
to fit the legacy ids in their reserved space.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20230612195657.245125-10-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
Add more trace events for the scanning and unregistration
functions for debug purposes.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20230612195657.245125-9-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
It has been observed that sometimes the FSI master will return all 0xffs
after a CFAM has been taken out of reset, without presenting any error.
Resetting the FSI master errors resolves the issue.
Fixes: 4a851d714ead ("fsi: aspeed: Support CFAM reset GPIO")
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20230612195657.245125-8-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
There's no reason to limit the user here. The way the driver is
designed, extremely large transfers require extremely long timeouts.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20230612195657.245125-7-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
A new use case for the SBEFIFO requires a long in-command timeout
as the SBE processes each part of the command before clearing the
upstream FIFO for the next part of the command.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20230612195657.245125-6-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
The status check during probe doesn't serve any purpose. Any attempt
to use the SBEFIFO will result in the same check and cleanup.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20230612195657.245125-5-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
Since we have two scom drivers, use the standard of matching if
the driver specifies a table so that the right devices go to the
right driver.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20230612195657.245125-4-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
The I2C and SPI subsystems can use an aliased name to number the device.
Add similar support to the FSI subsystem for any device type.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20230612195657.245125-3-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
Some FSI drivers may have need of the slave definition, so
move it to a header file. Also use one macro for obtaining a
pointer to the fsi_master structure.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20230612195657.245125-2-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
Use the recently added of_property_read_reg() helper to get the
untranslated "reg" address value.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20230609183056.1765183-1-robh@kernel.org
Signed-off-by: Joel Stanley <joel@jms.id.au>
The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h. As a result, there's a pretty much random mix of those include
files used throughout the tree. In order to detangle these headers and
replace the implicit includes with struct declarations, users need to
explicitly include the correct includes.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20230718205508.1790932-1-robh@kernel.org
Signed-off-by: Joel Stanley <joel@jms.id.au>
Add filter bypass mode, which bypasses the low pass filter, high pass
filter and disables/unregister the clock rate notifier.
Currently a feature like bypassing the filter is not achievable
straightforward and not very deductive. The user has to look through the
code and call the set_lpf_3db_frequency and set_hpf_3db_frequency iio
attributes from the user interface using the corner cases (freq >
largest lpf supported by the part, respectively freq < smallest hpf
supported by the part). Moreover, in such case of bypassing the filter,
the input clock rate change might mess up things so we want to make sure
that it is disabled. Also, the feature will help emphasizing the filter
behavior, therefore adding it in the userspace will ease the
charcaterization of the filter's effects when active/disabled.
It was requested by users of the driver to ease the interaction with
different configuration modes of the device.
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://lore.kernel.org/r/20230731084928.8302-1-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The ROHM BU27010 is an RGBC sensor with a flickering detection FIFO. The
RGBC+IR sensor functionality is largely similar to what the BU27008 has.
There are some notable things though:
- gain setting is once again new and exotic. Now, there is 6bit gain
setting where 4 of the bits are common to all channels and 2 bits
can be configured separately for each channel. The BU27010 has
similar "1X on other channels vs 2X on IR when selector is 0x0"
gain design as BU27008 had. So, we use same gain setting policy for
BU27010 as we did for BU27008 - driver sets same gain selector for all
channels but shows the gains separately for all channels so users
can (at least in theory) detect this 1X vs 2X madness...
- BU27010 has suffled all the control register bitfields to new
addresses and bit positions while still keeping the register naming
same.
- Some more power/reset control is added.
- FIFO for "flickering detection" is added.
The control register suffling made this slightly nasty. Still, it is
easier for maintenance perspective to add the BU27010 support in BU27008
driver because - even though the bit positions/addresses were changed -
most of the driver structure can be re-used. Writing own driver for
BU27010 would mean plenty of duplicate code albeit a tad more clarity.
The flickering FIFO is not supported by the driver.
Add BU27010 RGBC+IR support to rohm-bu27008 driver.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/111cd217ccece1c1f16ab4287532dc4e1ddb8a3f.1690958450.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The ROHM BU27010 RGB + flickering sensor is in many regards similar to
the BU27008. Prepare for adding support for BU27010 by allowing
chip-specific properties to be brought from the of_device_id data.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/d5994648033d5513993b8d72eb186ddda211b5ac.1690958450.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The ROHM BU27010 is a sensor with 6 photodiodes (red, green, blue, clear,
IR and flickering detection) with five configurable channels. Red, green
and flickering detection being always available and two out of the rest
three (blue, clear, IR) can be selected to be simultaneously measured.
Typical application is adjusting LCD/OLED backlight of TVs, mobile phones
and tablet PCs.
Add binding document for ROHM BU27010.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/717d30694ba6864b8c28772d7478bed93ea10138.1690958450.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Quectel's RM520N-GL Lenovo variant is same as that of the existing
RM520N-GL modem and uses the same config. But this one is designed for
Lenovo laptop usecase, hence Quectel got a new PID.
Signed-off-by: Duke Xin(辛安文) <duke_xinanwen@163.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Link: https://lore.kernel.org/r/20230807030454.37255-1-duke_xinanwen@163.com
[mani: tweaked subject and commit message a bit]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Extend the functionality of hwmon (peci/dimmtemp) for Sapphire Rapids
platform.
Add the corresponding Sapphire Rapids ID and threshold code.
The patch has been tested on a 4S system with 64 DIMMs installed.
Verified read of DIMM temperature thresholds & temperature.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Iwona Winiarska <iwona.winiarska@intel.com>
Signed-off-by: Iwona Winiarska <iwona.winiarska@intel.com>
Link: https://lore.kernel.org/r/20230725104354.33920-3-Naresh.Solanki@9elements.com
Add support for detection of Intel Sapphire Rapids processor based on
CPU family & model.
Sapphire Rapids Xeon processors with the family set to 6 and the
model set to INTEL_FAM6_SAPPHIRERAPIDS_X. The data field for this entry
is "spr".
Tested the patch series with AST2600 BMC with 4S Intel Sapphire Rapids
processors & verified by reading cpu & dimm temperature.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
Reviewed-by: Iwona Winiarska <iwona.winiarska@intel.com>
Signed-off-by: Iwona Winiarska <iwona.winiarska@intel.com>
Link: https://lore.kernel.org/r/20230725104354.33920-1-Naresh.Solanki@9elements.com
MCP4728 is a 12-bit quad channel DAC with I2C interface.
support for:
* per-channel gain
* per-channel power state
* per-channel power down mode control
* per-channel vref selection internal/vdd
* store current state to on-chip EEPROM
Signed-off-by: Andrea Collamati <andrea.collamati@gmail.com>
Link: https://lore.kernel.org/r/a0933003ed3c855f9d80d6ce0a40add2b6f0ba36.1691066050.git.andrea.collamati@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add regulators for the VCC supplies of the admv1013.
The patch aims to align the implementation with the current admv1014
driver where all the VCC supplies are handled as regulators.
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://lore.kernel.org/r/20230731094455.26742-2-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add bindings for the VCC regulators of the ADMV1013 microware
upconverter.
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230731094455.26742-1-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This function call was found to be unnecessary as there is no equivalent
platform_get_drvdata() call to access the private data of the driver. Also,
the private data is defined in this driver, so there is no risk of it being
accessed outside of this driver file.
Reviewed-by: Alexandru Ardelean <alex@shruggie.ro>
Signed-off-by: Andrei Coardos <aboutphysycs@gmail.com>
Link: https://lore.kernel.org/r/20230802120915.25631-1-aboutphysycs@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
