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driver
ADM1177 is a Hot Swap Controller and Digital Power Monitor with
Soft Start Pin.
Datasheet:
Link: https://www.analog.com/media/en/technical-documentation/data-sheets/ADM1177.pdf
Signed-off-by: Beniamin Bia <beniamin.bia@analog.com>
Link: https://lore.kernel.org/r/20200114112159.25998-1-beniamin.bia@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Reading the temperature of ATA drives has been supported for years
by userspace tools such as smarttools or hddtemp. The downside of
such tools is that they need to run with super-user privilege, that
the temperatures are not reported by standard tools such as 'sensors'
or 'libsensors', and that drive temperatures are not available for use
in the kernel's thermal subsystem.
This driver solves this problem by adding support for reading the
temperature of ATA drives from the kernel using the hwmon API and
by adding a temperature zone for each drive.
With this driver, the hard disk temperature can be read using the
unprivileged 'sensors' application:
$ sensors drivetemp-scsi-1-0
drivetemp-scsi-1-0
Adapter: SCSI adapter
temp1: +23.0°C
or directly from sysfs:
$ grep . /sys/class/hwmon/hwmon9/{name,temp1_input}
/sys/class/hwmon/hwmon9/name:drivetemp
/sys/class/hwmon/hwmon9/temp1_input:23000
If the drive supports SCT transport and reports temperature limits,
those are reported as well.
drivetemp-scsi-0-0
Adapter: SCSI adapter
temp1: +27.0°C (low = +0.0°C, high = +60.0°C)
(crit low = -41.0°C, crit = +85.0°C)
(lowest = +23.0°C, highest = +34.0°C)
The driver attempts to use SCT Command Transport to read the drive
temperature. If the SCT Command Transport feature set is not available,
or if it does not report the drive temperature, drive temperatures may
be readable through SMART attributes. Since SMART attributes are not well
defined, this method is only used as fallback mechanism.
Cc: Chris Healy <cphealy@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The nct6775 and nct6776 are supported by the separate nct6775.c driver,
so remove the code from the w83627ehf driver.
Suggested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://lore.kernel.org/r/20191225023225.2785-2-linux@treblig.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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MAX31730 is a 3-Channel Remote Temperature Sensor.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
- Add support for Texas Instruments TMP512/513
- Add support for LTC2947
- Add support for BEL PFE1100 and PFE3000
- Various minor improvements and fixes
* tag 'hwmon-for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
dell-smm-hwmon: Add documentation
hwmon: (dell-smm) Add support for disabling automatic BIOS fan control
hwmon: Add driver for Texas Instruments TMP512/513 sensor chips.
dt-bindings: hwmon: Add TMP512/513
docs: hwmon: Document bel-pfe pmbus driver
hwmon: (pmbus) add driver for BEL PFE1100 and PFE3000
dt-bindings: hwmon: Add ltc2947 documentation
hwmon: Add support for ltc2947
hwmon: (ina3221) Add summation feature support
hwmon: (tmp421) Allow reading at 2Hz instead of 0.5Hz
hwmon: (w83793d) remove redundant assignment to variable res
hwmon: (pmbus/ibm-cffps) Add version detection capability
dt-bindings: hwmon: Document ibm,cffps compatible string
hwmon: abituguru: make array probe_order static, makes object smaller
hwmon: (applesmc) switch to using input device polling mode
hwmon: (aspeed-pwm-tacho) Use devm_platform_ioremap_resource() in aspeed_pwm_tacho_probe()
hwmon: (pmbus/ibm-cffps) Fix LED blink behavior
hwmon: (pmbus/ibm-cffps) Switch LEDs to blocking brightness call
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TI's TMP512/513 are I2C/SMBus system monitor chips. These chips
monitor the supply voltage, supply current, power consumption
and provide one local and up to three (TMP513) remote temperature sensors.
It has been tested using a TI TMP513 development kit (TMP513EVM)
Signed-off-by: Eric Tremblay <etremblay@distech-controls.com>
Link: https://lore.kernel.org/r/20191112223001.20844-3-etremblay@distech-controls.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The ltc2947 is a high precision power and energy monitor with an
internal sense resistor supporting up to +/- 30A. Three internal no
Latency ADCs ensure accurate measurement of voltage and current, while
high-bandwidth analog multiplication of voltage and current provides
accurate power measurement in a wide range of applications. Internal or
external clocking options enable precise charge and energy measurements.
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20191021154115.319073-1-nuno.sa@analog.com
[groeck: Removed unnecessary checks when reading temperature and energy;
PAGE{0,1} -> LTC2947_PAGE_{0,1}]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Now that instances of input_dev support polling mode natively,
we no longer need to create input_polled_dev instance.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://lore.kernel.org/r/20191002214345.GA108728@dtor-ws
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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This switches the AB8500 hardware monitor driver to using
the standard IIO ADC channel lookup and conversion routines.
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Pull MIPS updates from Paul Burton:
"Main MIPS changes:
- boot_mem_map is removed, providing a nice cleanup made possible by
the recent removal of bootmem.
- Some fixes to atomics, in general providing compiler barriers for
smp_mb__{before,after}_atomic plus fixes specific to Loongson CPUs
or MIPS32 systems using cmpxchg64().
- Conversion to the new generic VDSO infrastructure courtesy of
Vincenzo Frascino.
- Removal of undefined behavior in set_io_port_base(), fixing the
behavior of some MIPS kernel configurations when built with recent
clang versions.
- Initial MIPS32 huge page support, functional on at least Ingenic
SoCs.
- pte_special() is now supported for some configurations, allowing
among other things generic fast GUP to be used.
- Miscellaneous fixes & cleanups.
And platform specific changes:
- Major improvements to Ingenic SoC support from Paul Cercueil,
mostly enabled by the inclusion of the new TCU (timer-counter unit)
drivers he's spent a very patient year or so working on. Plus some
fixes for X1000 SoCs from Zhou Yanjie.
- Netgear R6200 v1 systems are now supported by the bcm47xx platform.
- DT updates for BMIPS, Lantiq & Microsemi Ocelot systems"
* tag 'mips_5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (89 commits)
MIPS: Detect bad _PFN_SHIFT values
MIPS: Disable pte_special() for MIPS32 with RiXi
MIPS: ralink: deactivate PCI support for SOC_MT7621
mips: compat: vdso: Use legacy syscalls as fallback
MIPS: Drop Loongson _CACHE_* definitions
MIPS: tlbex: Remove cpu_has_local_ebase
MIPS: tlbex: Simplify r3k check
MIPS: Select R3k-style TLB in Kconfig
MIPS: PCI: refactor ioc3 special handling
mips: remove ioremap_cachable
mips/atomic: Fix smp_mb__{before,after}_atomic()
mips/atomic: Fix loongson_llsc_mb() wreckage
mips/atomic: Fix cmpxchg64 barriers
MIPS: Octeon: remove duplicated include from dma-octeon.c
firmware: bcm47xx_nvram: Allow COMPILE_TEST
firmware: bcm47xx_nvram: Correct size_t printf format
MIPS: Treat Loongson Extensions as ASEs
MIPS: Remove dev_err() usage after platform_get_irq()
MIPS: dts: mscc: describe the PTP ready interrupt
MIPS: dts: mscc: describe the PTP register range
...
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Add support for the Sensirion SHTC3 humidity and temperature sensor to
the shtc1 module.
Signed-off-by: Dan Robertson <dan@dlrobertson.com>
Link: https://lore.kernel.org/r/20190905014554.21658-2-dan@dlrobertson.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add a new driver for Synaptics AS370 PVT sensors. Currently, only
temperature is supported.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20190827113259.4fb64a17@xhacker.debian
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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I have been using SENSORS_W83795_FANCTRL for several years and never
had any problem. When the driver was added, I had not tested that
part of the driver yet so I wanted to be super cautious, but time has
shown that it works just fine.
In the long run I even believe that we should drop the option and
enable the feature unconditionally. It doesn't do anything until the
user explicitly starts twiddling with sysfs attributes anyway.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Link: https://lore.kernel.org/r/20190806102123.3118bcc5@endymion
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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A driver for ADS1015 with more functionality is available in the iio
subsystem.
Remove the hwmon driver as duplicate. If the chip is used for hardware
monitoring, the iio->hwmon bridge should be used.
Cc: Dirk Eibach <eibach@gdsys.de>
Link: https://lore.kernel.org/r/1562004758-13025-1-git-send-email-linux@roeck-us.net
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The JZ4740 boards now use the iio-hwmon driver.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: Artur Rojek <contact@artur-rojek.eu>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Paul Burton <paul.burton@mips.com>
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Add SPDX license identifiers to all Make/Kconfig files which:
- Have no license information of any form
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0-only
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This allows max6650 devices to be referenced in dts as a cooling device.
The pwm value seems duplicated in cooling_dev_state but since pwm goes
through rounding logic into data->dac, it is modified and messes with
the thermal zone state algorithms. It's also better to serve a cache
value, thus avoiding periodic actual i2c traffic.
Signed-off-by: Jean-Francois Dagenais <jeff.dagenais@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Now that all files were converted to ReST format, rename them
and add an index.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Lochnagar is an evaluation and development board for Cirrus
Logic Smart CODEC and Amp devices. It allows the connection of
most Cirrus Logic devices on mini-cards, as well as allowing
connection of various application processor systems to provide a
full evaluation platform.
This driver adds support for the hardware monitoring features of
the Lochnagar 2 to the hwmon API. Monitoring is provided for
the board voltages, currents and temperature supported by the
board controller chip.
Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Select REGMAP_I2C to avoid below build error:
ERROR: "__devm_regmap_init_i2c" [drivers/hwmon/w83773g.ko] undefined!
Fixes: ee249f271524 ("hwmon: Add W83773G driver")
Cc: stable@vger.kernel.org
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kconfig updates from Masahiro Yamada:
- support -y option for merge_config.sh to avoid downgrading =y to =m
- remove S_OTHER symbol type, and touch include/config/*.h files correctly
- fix file name and line number in lexer warnings
- fix memory leak when EOF is encountered in quotation
- resolve all shift/reduce conflicts of the parser
- warn no new line at end of file
- make 'source' statement more strict to take only string literal
- rewrite the lexer and remove the keyword lookup table
- convert to SPDX License Identifier
- compile C files independently instead of including them from zconf.y
- fix various warnings of gconfig
- misc cleanups
* tag 'kconfig-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (39 commits)
kconfig: surround dbg_sym_flags with #ifdef DEBUG to fix gconf warning
kconfig: split images.c out of qconf.cc/gconf.c to fix gconf warnings
kconfig: add static qualifiers to fix gconf warnings
kconfig: split the lexer out of zconf.y
kconfig: split some C files out of zconf.y
kconfig: convert to SPDX License Identifier
kconfig: remove keyword lookup table entirely
kconfig: update current_pos in the second lexer
kconfig: switch to ASSIGN_VAL state in the second lexer
kconfig: stop associating kconf_id with yylval
kconfig: refactor end token rules
kconfig: stop supporting '.' and '/' in unquoted words
treewide: surround Kconfig file paths with double quotes
microblaze: surround string default in Kconfig with double quotes
kconfig: use T_WORD instead of T_VARIABLE for variables
kconfig: use specific tokens instead of T_ASSIGN for assignments
kconfig: refactor scanning and parsing "option" properties
kconfig: use distinct tokens for type and default properties
kconfig: remove redundant token defines
kconfig: rename depends_list to comment_option_list
...
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The Kconfig lexer supports special characters such as '.' and '/' in
the parameter context. In my understanding, the reason is just to
support bare file paths in the source statement.
I do not see a good reason to complicate Kconfig for the room of
ambiguity.
The majority of code already surrounds file paths with double quotes,
and it makes sense since file paths are constant string literals.
Make it treewide consistent now.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Ingo Molnar <mingo@kernel.org>
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The STLM75 is a high-precision digital CMOS temperature sensor
IC with a sigma-delta temperature-to-digital converter.
The configuration register mapping is similar to existing lm75
but the sample rate is 150ms(max).
Tested on real hardware and verified temperature readings are correct.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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More of the same...
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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This patch remove extra space after a dot.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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This patch fix a typo where build is used instead of built.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The OCC is a device embedded on a POWER processor that collects and
aggregates sensor data from the processor and system. The OCC can
provide the raw sensor data as well as perform thermal and power
management on the system.
This driver provides a hwmon interface to the OCC from a service
processor (e.g. a BMC). The driver supports both POWER8 and POWER9 OCCs.
Communications with the POWER8 OCC are established over standard I2C
bus. The driver communicates with the POWER9 OCC through the FSI-based
OCC driver, which handles the lower-level communication details.
This patch lays out the structure of the OCC hwmon driver. There are two
platform drivers, one each for P8 and P9 OCCs. These are probed through
the I2C tree and the FSI-based OCC driver, respectively. The patch also
defines the first common structures and methods between the two OCC
versions.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
[groeck: Fix up SPDX license identifier]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Some of the larger changes this merge window:
- Removal of drivers for Exynos5440, a Samsung SoC that never saw
widespread use.
- Uniphier support for USB3 and SPI reset handling
- Syste control and SRAM drivers and bindings for Allwinner platforms
- Qualcomm AOSS (Always-on subsystem) reset controller drivers
- Raspberry Pi hwmon driver for voltage
- Mediatek pwrap (pmic) support for MT6797 SoC"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (52 commits)
drivers/firmware: psci_checker: stash and use topology_core_cpumask for hotplug tests
soc: fsl: cleanup Kconfig menu
soc: fsl: dpio: Convert DPIO documentation to .rst
staging: fsl-mc: Remove remaining files
staging: fsl-mc: Move DPIO from staging to drivers/soc/fsl
staging: fsl-dpaa2: eth: move generic FD defines to DPIO
soc: fsl: qe: gpio: Add qe_gpio_set_multiple
usb: host: exynos: Remove support for Exynos5440
clk: samsung: Remove support for Exynos5440
soc: sunxi: Add the A13, A23 and H3 system control compatibles
reset: uniphier: add reset control support for SPI
cpufreq: exynos: Remove support for Exynos5440
ata: ahci-platform: Remove support for Exynos5440
soc: imx6qp: Use GENPD_FLAG_ALWAYS_ON for PU errata
soc: mediatek: pwrap: add mt6351 driver for mt6797 SoCs
soc: mediatek: pwrap: add pwrap driver for mt6797 SoCs
soc: mediatek: pwrap: fix cipher init setting error
dt-bindings: pwrap: mediatek: add pwrap support for MT6797
reset: uniphier: add USB3 core reset control
dt-bindings: reset: uniphier: add USB3 core reset support
...
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Currently there is no easy way to detect undervoltage conditions on a
remote Raspberry Pi. This hwmon driver retrieves the state of the
undervoltage sensor via mailbox interface. The handling based on
Noralf's modifications to the downstream firmware driver. In case of
an undervoltage condition only an entry is written to the kernel log.
CC: "Noralf Trønnes" <noralf@tronnes.org>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Guenter Roeck <linux@roeck-us.net>
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Add Nuvoton BMC NPCM750/730/715/705 Pulse Width Modulation (PWM)
and Fan tacho driver.
The Nuvoton BMC NPCM750/730/715/705 supports 8 PWM controller outputs
and 16 Fan controller inputs.
The driver provides a sysfs entries through which the user can
configure the duty-cycle value from 0(off) and 255(full speed)
and read the fan tacho rpm value.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Driver obtains PWM and tachometers registers location according to the
system configuration and creates FAN/PWM hwmon objects and a cooling
device. PWM and tachometers are controlled through the on-board
programmable device, which exports its register map. This device could be
attached to any bus type, for which register mapping is supported. Single
instance is created with one PWM control, up to 12 tachometers and one
cooling device. It could be as many instances as programmable device
supports.
Currently driver will be activated from the Mellanox platform driver:
drivers/platform/x86/mlx-platform.c.
For the future ARM based systems it could be activated from the ARM
platform module.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Updated version of the ltc2990 driver which supports all measurement
modes (current, voltage, temperature) available in the chip.
If devicetree is used, the mode must be specified with the property
"lltc,meas-mode". The format and possible values of the property are
described in the binding.
If devicetree is not used, the mode of the chip will not be configured.
Unless the chip is configured by another source, only the internal
temperature and supply voltage will be measured.
Signed-off-by: Tom Levens <tom.levens@cern.ch>
Tested-By: mike.looijmans@topic.nl
[groeck: Fixed compiler warning]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The SMN (System Management Network) on Family 17h AMD CPUs is also accessed
from other drivers, specifically EDAC. Accessing it directly is racy.
On top of that, accessing the SMN through root bridge 00:00 is wrong on
multi-die CPUs and may result in reading the temperature from the wrong
die. Use available API functions to fix the problem.
For this to work, add dependency on AMD_NB. Also change the Raven Ridge
PCI device ID to point to Data Fabric Function 3, since this ID is used
by the API functions to find the CPU node.
Cc: stable@vger.kernel.org # v4.16+
Tested-by: Gabriel Craciunescu <nix.or.die@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
- added chip support: new Centaur CPUs, ADM1272, NCT6796D
- ucd9000: added debugfs attributes, gpio support
- cleanup and minor bug fixes
* tag 'hwmon-for-linus-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (via-cputemp) support new centaur CPUs
hwmon: (nct6775) Fix writing pwmX_mode
hwmon: (lm92) Add max6635 to lm92_id[]
hwmon: (pmbus/adm1275) Add support for ADM1272
hwmon: (lm92) Do not try to detect MAX6635
hwmon: (ucd9000) Add debugfs attributes to provide mfr_status
hwmon: (ucd9000) Add gpio chip interface
hwmon: (nct6775) Add support for NCT6796D
hwmon: (nct6775) Initialize boolean variables with declaration
hwmon: (nct6775) Improve fan6/pwm6 support
hwmon: (nct6775) Use NUM_FAN consistently
hwmon: (g762) handle cleanup with devm_add_action
hwmon: (sht3x) Update data sheet URL
hwmon: (sht21) Update data sheet URLs
hwmon: (pmbus/adm1275) Accept negative page register values
hwmon: (pmbus/max8688) Accept negative page register values
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NCT6796D is mostly compatible to NCT6795D. It supports an additional
pwm control and fan speed channel.
While we are at it, update documentation for NCT6795D.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Create a driver to add support for SoC sensors exported by the System
Control Processor (SCP) via the System Control and Management Interface
(SCMI). The supported sensor types is one of voltage, temperature,
current, and power.
The sensor labels and values provided by the SCP are exported via the
hwmon sysfs interface.
Cc: linux-hwmon@vger.kernel.org
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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'default n' is default, so there is no need to specify it explicitly.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Nuvoton W83773G is a hardware monitor IC providing one local
temperature and two remote temperature sensors.
Signed-off-by: Lei YU <mine260309@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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We have no users of platform data, we made platform data driver-local,
so cut all #ifdefs for the platform data case, and depend on the
Kconfig CONFIG_OF_GPIO symbol.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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MAX6621 is a PECI-to-I2C translator provides an efficient, low-cost
solution for PECI-to-SMBus/I2C protocol conversion. It allows reading the
temperature from the PECI-compliant host directly from up to four
PECI-enabled CPUs.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add the lantiq cpu temperature sensor support for xrx200.
Signed-off-by: Florian Eckert <fe@dev.tdt.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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With CONFIG_THERMAL=m, a built-in aspeed pwm tacho driver causes
a link error:
drivers/hwmon/aspeed-pwm-tacho.o: In function `aspeed_pwm_tacho_probe':
aspeed-pwm-tacho.c:(.text+0x7f0): undefined reference to `thermal_of_cooling_device_register'
This adds a dependency similar to what other hwmon drivers use,
ensuring that the aspeed driver cannot be built-in in this
case but has to be a module. With THERMAL=n, we still allow building it.
Fixes: 2d7a548a3eff ("drivers: hwmon: Support for ASPEED PWM/Fan tach")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The driver uses regmap and thus has to select it to avoid build
errors such as the following.
drivers/hwmon/aspeed-pwm-tacho.c:337:21: error: variable
'aspeed_pwm_tacho_regmap_config' has initializer but incomplete type
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Acked-by: Joel Stanley <joel@jms.id.au>
Fixes: 2d7a548a3eff ("drivers: hwmon: Support for ASPEED PWM/Fan tach")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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This driver is no longer needed:
* It has no mainline users
* It has no DT support and OMAP is DT only
* iio-hwmon can be used for madc, which also works with DT
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The ASPEED AST2400/2500 PWM controller supports 8 PWM output ports.
The ASPEED AST2400/2500 Fan tach controller supports 16 tachometer
inputs.
The device driver matches on the device tree node. The configuration
values are read from the device tree and written to the respective
registers.
The driver provides a sysfs entries through which the user can
configure the duty-cycle value (ranging from 0 to 100 percent) and read
the fan tach rpm value.
Signed-off-by: Jaghathiswari Rankappagounder Natarajan <jaghu@google.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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This patch adds a HWMON driver for ST Microelectronics STTS751
temperature sensors.
Thanks-to: LABBE Corentin [for suggestions]
Thanks-to: Guenter Roeck [for suggestion and discussions]
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Cc: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for the TI TMP108 temperature sensor with some device
configuration parameters.
Signed-off-by: John Muir <john@jmuir.com>
[groeck: Initialize of_match_table]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The lm90 driver also supports the Texas Instruments TMP451 sensor chip.
Since the Kconfig description for the driver includes a list of all
compatible chips, mention the TI TMP451 there as well.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for the tc654 and tc655 fan controllers from Microchip.
http://ww1.microchip.com/downloads/en/DeviceDoc/20001734C.pdf
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Acked-by: Rob Herring <robh@kernel.org>
[groeck: Fixed continuation line alignments]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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This driver now uses regmap APIs, so it needs to select REGMAP_I2C.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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