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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers:
- Axiado AX3000 and AX3005 PWM fan controller
- AX3000/AX3005 TSADC
- HONOR FMI-XX
- Minisforum UM780 XTX EC monitoring and fan control
- pmbus: MAX20826, MAX20855B, MAX20908, MAX20912, MAX20826, and
MAX20916
- pmbus: Infineon TDA38740/TDA38725
Added support to existing drivers:
- asus-ec-sensors: ROG STRIX X670E-A GAMING WIFI and ROG STRIX Z490-A
GAMING
- asus_rog_ryujin: ROG Ryujin III 360
- dell-smm: Dell 16 DC16250, Dell OptiPlex 7090, Dell Precision 3650
Tower, Add Latitude 5420
- it87: IT8613E
- k10temp: 1ah/80h devices. Drop support for Hygon devices (support
to be re-added with separate patches later)
- lm63: Sensylink CTF2301
- nct6683: MSI MAG B550M MORTAR MAX WIFI, MSI MAG B650 TOMAHAWK WIFI,
MSI MAG B650M MORTAR WIFI (MS-7D76), and MSI MAG B850M MORTAR WIFI
- nct6775: NCT6122D and NCT6126D
- pmbus/isl68137: Renesas RAA229639 and RAA229640
- pmbus/max34440: ADPM12300
- pmbus/tps25990: TPS1689
- pmbus/tps53679: TPS53622, TPS53659 and TPS536C7
- pmbus/xdpe1a2g7b: xdpe1a2g7c
- sht4x: Sensirion STS4x
- socfpga: Agilex 5
- yogafan: Lenovo Yoga Pro 9 16IMH9, Yoga 14cACN 2021, IdeaPad 3
15ALC6 Ub, Yoga 740-15IML
Core updates:
- Support for currX_emergency and inX_[l]emergency attributes
Notable bug fixes and changes:
- Add missing locks to corsair-cpro, ftsteutates, nct7904, and
npcm750-pwm-fan drivers
- Fix jiffies wraparound in tmp102 and tmp108 drivers
- Documentation updates (document missing chip support, typo fixes,
clarifications)
- pmbus/ltc4286: Add writable shunt_resistor sysfs attribute
- coretemp: Document sysfs numbering and label meaning, fix handling
of isolated SMT siblings, read TjMax only when refreshing the
temperature, refresh the temperature on the first read, and return
-ENODATA for invalid temperature readings
- spd5118: Avoid probing when 16-bit addressing is enabled, and
select page 0 unconditionally during probe
- arctic_fan_controller: Default PWM cache to MCU 40%, Dual-license
GPL-2.0-or-later OR BSD-2-Clause, and update maintainer address
Various other minor bug fixes and improvements"
* tag 'hwmon-for-v7.4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (97 commits)
hwmon: (npcm750-pwm-fan) serialize PWM register updates
hwmon: (nct7904) serialise the watchdog and sensors
hwmon: (ftsteutates) serialise the watchdog and sensors
hwmon: (acpi_power_meter) Fix 18.45 TW bug
hwmon: (sht3x) Return the consumed count for heater writes
hwmon: (mcp9982) Update the interval cache only after successful writes
hwmon: (gigabyte_waterforce) reject short input reports
hwmon: (coretemp) Fix handling of isolated SMT siblings
hwmon: (coretemp) Document sysfs numbering and label meaning
hwmon: (asus_wmi_sensors) Reword BIOS upgrade advice
hwmon: Replace __MODULE_STRING() with __stringify()
hwmon:(pmbus/xdpe1a2g7b) Add support for xdpe1a2g7c controller
dt-bindings: trivial-devices: Add support for XDPE1A2G7C
hwmon: (pmbus/isl68137) Add Renesas RAA229639 and RAA229640
dt-bindings: hwmon: pmbus/isl68137: Add Renesas RAA229639 and RAA229640
hwmon: (coretemp) Read TjMax only when refreshing the temperature
hwmon: (pmbus/ibm-cffps) Avoid format truncation warnings
hwmon: (dell-smm) Add Dell 16 DC16250 to fan control whitelist
hwmon: (nct6683) Add more MSI boards to list of tested boards
hwmon: (nct6683) Add MSI B850M to list of tested boards
...
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The documentation says that all sysfs entries are named with their
core_id, and that the "Core X" label contains the processor number.
Neither is accurate. create_core_attrs() numbers the per-core
attributes core_id + 2 and always uses temp1 for the package sensor,
and show_label() prints topology_core_id(), not the logical CPU
number.
The difference is easy to see on hybrid CPUs. On an i7-14700F, the
"Core 4" label is on temp6 and belongs to CPUs 2 and 3, and the
E-cores report core IDs 32 to 43.
Describe the actual numbering.
The mismatch was found by an LLM comparing the documentation with the
code, and verified on the i7-14700F above.
Assisted-by: LLM
Signed-off-by: Asaf Nuri Bertizlioğlu <ycistak@gmail.com>
Tested-by: Ximing Zhang <xzhangjr@gmail.com>
Reviewed-by: Ximing Zhang <xzhangjr@gmail.com>
Link: https://patch.msgid.link/20261015171759.704526-1-ycistak@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The Known Issues section suggests that upgrading to a BIOS with WMI
method version two or greater should rectify the problem. However, the
driver refuses to bind when the BIOS reports a version below two, so
every system using the driver already meets that condition and the
advice does not help.
Instead, suggest that upgrading to a more recent BIOS version might
help. While at it, fix a typo in the preceding sentence.
Link: https://lore.kernel.org/linux-hwmon/CAFGXJCm6ZWK0NsFhZ1_ycgYtTTT3nhqj9mose60t+Rrry1aPvw@mail.gmail.com/
Suggested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Qian Xiao <heyheyco@gmail.com>
Link: https://patch.msgid.link/20261016163509.249020-1-heyheyco@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Tested with the following boards:
- MSI MAG B550M MORTAR MAX WIFI (MS-7C94)
- MSI MAG B650 TOMAHAWK WIFI (MS-7D75)
- MSI MAG B650M MORTAR WIFI (MS-7D76)
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Tested on MSI MAG B850M MORTAR WIFI with NCT6687D EC firmware version
0.0 build 03/10/25. The driver loads without force=1 and reports
voltages, fan speeds and temperatures.
Signed-off-by: Tomasz Bojanowski <tomasz@bojanowski.me>
Link: https://patch.msgid.link/20260921211304.74729-1-tomasz@bojanowski.me
[groeck: Reordered to retain alphabetical order of boards]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for the PWM fan controller found on the Axiado AX3000 and
AX3005 SoCs.
The controller uses a hardware tachometer block and interrupt to measure
fan speed. Fan speed is controlled through a PWM signal supplied by an
external PWM controller.
Register the controller with the hwmon subsystem and expose the standard
fan1_input and pwm1 attributes. The physical fan is represented by a fan
child node containing the PWM specifier and the optional
pulses-per-revolution property. If pulses-per-revolution is not specified,
the driver uses two pulses per revolution.
The driver was tested on AX3000 and AX3005 boards.
Signed-off-by: Petar Stepanovic <pstepanovic@axiado.com>
Link: https://patch.msgid.link/20260921-axiado-ax3000-pwm-fan-v3-2-3def8b6ffec9@axiado.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add a PMBus driver for Infineon TDA38740 and TDA38725
single-voltage synchronous buck regulators.
Signed-off-by: Colin Huang <u8813345@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://patch.msgid.link/20260918-add-tda38740-and-tda38725-v6-2-a8b11018d850@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Documentation/hwmon/vexpress.rst points at
Documentation/devicetree/bindings/hwmon/vexpress.txt for the device tree
binding of the arm,vexpress-volt, -amp, -temp, -power and -energy sensors.
That file only restates the compatibles and the label property, which the
arm/vexpress-config.yaml schema describes now. Point the reference there.
Assisted-by: LLM
Signed-off-by: Quchaosheng <quchaosheng000406@163.com>
Link: https://patch.msgid.link/20260917115818.540344-1-quchaosheng000406@163.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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TPS536C7 is a dual-channel D-CAP+ step-down controller whose channels are
distributed across a configurable number of phases (N+M, up to 12 total).
Whether channel B (PMBus page 1) exists depends on the phase configuration
register, so the page count is derived at probe time.
Factor the TPS53676 phase-map parsing into a shared helper and reuse it
for TPS536C7. Only aggregate per-channel telemetry is exposed: leave
info->phases[] unset so the PMBus core never programs the PHASE selector
on every read (and because TPS536C7 can place up to 12 phases on channel
A, exceeding PMBUS_PHASES). Report VOUT in linear format like TPS53676.
Since the core never programs PHASE, set it to 0xff on each populated
page so READ_IOUT reports the aggregate channel current, and verify it
(PHASE can be write-protected). Fail identification if aggregate
selection cannot be established, since otherwise a single phase current
could be reported as the channel total.
A configuration with no channel-A phase is rejected with -EOPNOTSUPP:
the PMBus core models pages as the contiguous range 0..pages-1 and
cannot represent a channel-A-absent topology.
On the tested TPS536C7 (device ID 54 49 53 6c 70 00, CAPABILITY 0xd0),
block reads of IC_DEVICE_ID and USER_DATA_03 return -EBADMSG with PEC
enabled, while retrying those two reads without PEC returns the expected
6- and 24-byte payloads. Standard byte/word telemetry keeps using PEC,
so only those two identification reads fall back to no-PEC.
Co-developed-by: Senthil Muniyappan <smuniyappan@juniper.net>
Co-developed-by: Vaibhav Agarwal <avaibhav@juniper.net>
Signed-off-by: Sanman Pradhan <psanman@juniper.net>
Link: https://patch.msgid.link/20260915164823.160977-4-sanman.pradhan@hpe.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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ADPM12300 is a quarter brick DC/DC Power Module. It is a high power
non-isolated converter capable of delivering regulated 12V with
continuous power level of 3000W. Uses PMBus.
Signed-off-by: Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
Link: https://patch.msgid.link/20260914-dev_adpm12300-v1-1-15fc8143d457@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add Sensylink CTF2301 support to the LM63 driver. CTF2301 follows
the LM63-style temperature, tachometer, and PWM register layout,
while using a 12-bit local temperature register and requiring the
ALERT/TACH pin to be configured for tachometer input.
Register an optional thermal cooling device when the device tree
node provides #cooling-cells, allowing thermal zones to control
the fan through the existing PWM path without changing behavior
for existing LM63-family users.
Signed-off-by: Troy Mitchell <troy.mitchell@linux.dev>
Link: https://patch.msgid.link/20260914-ctl2301-v5-4-522def70acb4@linux.dev
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add temperature channel mapping for Agilex 5 and bind it to the
"intel,agilex5-svc" compatible string. Reuse the Agilex voltage channels.
Agilex 5 omits temperature channel 2 (top-left corner) because that
sensor is not present; remaining sensors keep Agilex channel numbers.
The "intel,agilex5-svc" compatible is added to the stratix10-svc match
table by a separate patch [1]. Without that change the service layer does
not bind on Agilex 5, so the socfpga-hwmon device is never created; this
patch depends on it.
Update the socfpga-hwmon documentation to list Agilex 5, the matching
compatible string, and the SDM temperature/voltage channel tables.
Signed-off-by: Tze Yee Ng <tze.yee.ng@altera.com>
Link: https://lore.kernel.org/all/20260907082203.2639395-4-adrian.ho.yin.ng@altera.com/ [1]
Link: https://patch.msgid.link/41bb317cbfb6f4e2711581f2ccb22071db17b19e.1789373027.git.tze.yee.ng@altera.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The MAX20826 IC and similar provide a high-density, flexible and scalable
dual-loop solution for high current cores for AI applications. These are
dual loop solutions multiphase voltage regulators. Between Rails A and B,
MAX20855B and MAX20908 supports up to 8 phases total configurable from
8+0 to 4+4 phases, MAX20912 supports up to 12 phases from 12+0 to 6+6,
and MAX20826 and MAX20916 supports up to 16 phases from 16+0 to 8+8.
Co-developed-by: Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
Signed-off-by: Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20260911-hwmon-max20826-support-v2-4-5e30cbd97d84@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The NCT6112D/NCT6114D/NCT6116D family has been supported by the driver
since commit 29c7cb485b32 ("hwmon: (nct6775) Integrate new model
nct6116"), but was never added to the list of supported chips in the
driver documentation.
Also add the NCT6122D/NCT6126D.
Assisted-by: opencode:z-ai/glm-5.3-flash
Signed-off-by: Paul Louvel <paul.louvel@bootlin.com>
Link: https://patch.msgid.link/20260910-bootlin-hwmon-nct6126-v2-1-ee629ab35e49@bootlin.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The in-tree driver is solely authored by ARCTIC. Keep the existing
GPL-2.0-or-later grant and add BSD-2-Clause so the files may be used
under either license.
Signed-off-by: Aureo Serrano de Souza <aureo.serrano@arctic.de>
Link: https://patch.msgid.link/20260910050401.279868-3-aureo.serrano@arctic.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The device has no GET_REPORT and every OUT report carries all 10
channels, so the cache has to start at some value. Starting at 0
means the first sysfs write to a single channel also sends 0% on
the other nine.
The MCU factory default is 40%. Initialize pwm_duty[] to 102 (40%
on the 0-255 sysfs scale) at probe and on reset-resume. Any initial
cache can be stale if the module is reloaded without a device
reset. 40% matches the hardware after power-on or power-loss
resume, and a first single-channel write leaves the fans running
at a safe speed.
PWM is still not taken from periodic IN reports: the device is
manual-only and the host cache stays authoritative after the first
successful write.
Signed-off-by: Aureo Serrano de Souza <aureo.serrano@arctic.de>
Link: https://patch.msgid.link/20260910050401.279868-2-aureo.serrano@arctic.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add the new IdeaPad 3 15ALC6 Ub model and Yoga 740-15IML, update existing
model entries, include corresponding contributors, and adjust the
reStructuredText table layout and column separators to accommodate the
longer strings and prevent Sphinx build warnings.
Signed-off-by: Sergio Melas <sergiomelas@gmail.com>
Link: https://patch.msgid.link/20260910184322.1816996-1-sergiomelas@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add a hwmon driver for the temperature sensor ADC (TSADC) controller
found on Axiado AX3000 and AX3005 SoCs. The controller measures
temperature at locations within the SoC silicon die.
Each TSADC controller is registered as a separate hwmon device and
exposes one read-only temperature channel. The sensor is configured for
continuous conversion during probe.
The current TSADC hardware does not support threshold or alarm reporting.
All TSADC interrupt sources are masked during initialization, and only
the current temperature is exposed through temp1_input.
The averaged 12-bit ADC code is converted to millidegrees Celsius using
a lookup table with linear interpolation between adjacent entries. Raw
values outside the characterized lookup-table range are clamped to the
nearest supported temperature.
Signed-off-by: Petar Stepanovic <pstepanovic@axiado.com>
Link: https://patch.msgid.link/20260903-axiado-ax3000-tsadc-v1-2-a8a0f3b251f5@axiado.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add missing ')'.
Signed-off-by: Manuel Ebner <manuelebnerli@mailbox.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://patch.msgid.link/20260903161204.735276-2-manuelebnerli@mailbox.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add the USB product ID of the base ASUS ROG RYUJIN III 360 (0b05:1aa2,
USB product string "ROG RYUJIN III"). It uses the same status report
layout and cooler duty channel as the RYUJIN III EXTREME, EVA and
WHITE editions, so it can share rog_ryujin_iii_info.
Tested on a ROG RYUJIN III 360: coolant temperature, pump speed and
internal fan speed report plausible values that track load, and the
internal fan follows pwm2 (30% -> 870 RPM, 40% -> 1590 RPM).
Assisted-by: Claude:claude-fable-5-1
Signed-off-by: Zac Lanzon <lanzonza@gmail.com>
Link: https://patch.msgid.link/20260903004054.502171-1-lanzonza@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The NCT6112D/NCT6114D/NCT6116D family has been supported by the driver
since commit 29c7cb485b32 ("hwmon: (nct6775) Integrate new model
nct6116"), but was never added to the list of supported chips in the
driver documentation.
Also add the NCT6122D/NCT6126D.
Assisted-by: opencode:z-ai/glm-5.3-flash
Signed-off-by: Paul Louvel <paul.louvel@bootlin.com>
Link: https://patch.msgid.link/20260909-bootlin-hwmon-nct6126-v1-1-4e85615fef10@bootlin.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The ROG STRIX Z490-A GAMING and Z490-F GAMING are essentially the same
board apart from the F's onboard WiFi module, which isn't wired through
the EC, so they share the same EC sensor layout. The Z490-A exposes the
same EC sensor set as the Z490-F (chipset, CPU, motherboard, T_Sensor
and VRM temperatures plus CPU_OPT and VRM HS fans) at the same EC
registers, so reuse the Z490-F board_info for it.
Signed-off-by: Mario Nuevo <marionuevo@gmail.com>
Signed-off-by: Eugene Shalygin <eugene.shalygin@gmail.com>
Link: https://patch.msgid.link/20260905080346.1957380-1-eugene.shalygin@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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TPS53622 and TPS53659 are dual-channel D-CAP+ step-down controllers that
use the VID VOUT format and VOUT_MODE identification like the existing
TPS53679/TPS53688, so they reuse tps53679_identify().
Shorten the Kconfig prompt to the family name and list the supported
chips in the help text instead; this also adds TPS53685, which is already
supported by the driver but was missing from the list. Update the driver
documentation, including the per-attribute lists, and fix an existing
"TPS53588" typo (should be TPS53688) in those lists.
Signed-off-by: Sanman Pradhan <psanman@juniper.net>
Link: https://patch.msgid.link/20260901211129.360792-3-sanman.pradhan@hpe.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add a DMI-gated hwmon driver for the embedded controller used by the
Minisforum UM780 XTX with board revision 1.1 and BIOS 1.06.
Expose the CPU and system fan control temperatures and tachometers. The
tachometer protocol returns one byte per OEM command, so serialize
transactions and use high-low-high sampling to reject torn values.
Allow selecting either complete OEM CPU fan profile through pwm1_enable and
changing the two validated system fan transition temperatures through
standard automatic-curve attributes. Cache coherent settings and restore
them after the firmware reloads defaults following resume.
Signed-off-by: Sebastián Peyrott <speyrott@gmail.com>
Link: https://patch.msgid.link/20260902000509.191115-1-speyrott@gmail.com
[groeck: Folded fixes for gcc-11 build failure and overflow into this patch]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The ROG STRIX X670E-A GAMING WIFI is missing from the driver's DMI
table. Consequently, the board lookup fails with -ENODEV,
asus_ec_sensors does not load, and no asusec hwmon device or EC
temperature readings are available.
The board uses the same EC sensors, access mutex, and AMD 600-series
register layout as the ROG STRIX X670E-E GAMING WIFI. Add its DMI entry
using the existing X670E-E board information and document the board as
supported.
Before the change, there was no asusec device under /sys/class/hwmon and
there were no EC readings. After the change, the driver registered four
sensors with representative readings of 57-61 C for CPU, 68-71 C for
CPU package, 43-44 C for motherboard, and 49-52 C for VRM.
The readings correlated with nct6775 and k10temp. Repeated polling with
both hwmon drivers loaded produced no EC access, bank-switch, concurrent
access, or locking errors.
Tested on an ASUS ROG STRIX X670E-A GAMING WIFI with BIOS 2704.
Signed-off-by: Asai Neko <sugar@sne.moe>
Reviewed-by: Eugene Shalygin <eugene.shalygin@gmail.com>
Link: https://patch.msgid.link/20260901-asus-x670e-a-hwmon-fix-v2-1-759406c2a61a@sne.moe
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Teach the Super I/O probe path to recognize IT8613E and add its
hardware monitoring configuration.
Add feature flags, 11 mV ADC scaling, the IT8665-style PWM register map,
six PWM temperature mapping sources, and GPIO pin-mux checks.
Only three temperature inputs are currently known, so retain the existing
three temperature limit and offset resources. Document the chip in the
hwmon guide.
Signed-off-by: benoit.masson <yahoo@perenite.com>
Signed-off-by: Jerome Tollet <jerome.tollet@gmail.com>
Link: https://patch.msgid.link/5afd336442307450f77467b2a749d405970a2099.1788040385.git.jerome.tollet@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The Sensirion STS4x series is the temperature-only variant of the
SHT4x family. It shares the same I2C command set, conversion formulas,
CRC checksum, and timing with the SHT4x, but only returns temperature
data (3 bytes: 2 data bytes + 1 CRC byte).
Add support for the STS4x series by dynamically adjusting the read
response length, suppressing humidity channel attributes when probed
as STS4x, and omitting heater sysfs attributes.
Link: https://sensirion.com/resource/datasheet/sts4x
Signed-off-by: Alessandro Zini <alessandro.zini@siemens.com>
Link: https://patch.msgid.link/20260821091924.18975-3-alessandro.zini@siemens.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Extend the existing TPS25990 driver to support the TPS1689 eFuse,
as both devices share the same command interface and functionality.
Update the documentation to include TPS1689 support.
Signed-off-by: Stoyan Bogdanov <sbogdanov@baylibre.com>
Link: https://patch.msgid.link/20260817101455.3526260-4-sbogdanov@baylibre.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The HONOR FMI-XX firmware exposes a serialized \\GFNS ACPI method.
It returns a status byte and a 16-bit fan speed in RPM for either of two
firmware channels.
Add a DMI-restricted, read-only hwmon driver using that firmware
interface. The driver deliberately exposes no fan control or direct
Embedded Controller access.
The interface was validated on firmware 1.09 with fan channel 0
reporting approximately 2500-2800 RPM. Channel 1 is readable and
remained at 0 RPM during idle and a short CPU load.
Signed-off-by: Nikita Dubrovskih <testname142@gmail.com>
Link: https://patch.msgid.link/20260815234041.2262291-1-testname142@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The Lenovo Yoga Pro 9 16IMH9 (83DN) exposes its fan tachometers at
ACPI paths different from the generic Yoga configuration. Add a
model-specific two-fan configuration for the PC00.LPCB.EC0 namespace
and document the corrected mapping.
Tested on a Lenovo Yoga Pro 9 16IMH9 (83DN) with BIOS NKCN35WW: the
patched module registers fan1_input and fan2_input, both reporting 1800
RPM at idle.
Signed-off-by: Richard Ahlquist <rahlquist@gmail.com>
Link: https://patch.msgid.link/20260813164746.105154-1-rahlquist@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Some hardware monitoring chips support three alarm levels for current and
voltage high limits, and three alarm levels for voltage low limits.
Add support for currX_emergency, inX_emergency, and inX_lemergency
attributes together with the appropriate alarm attributes to support such
chips.
Cc: Manaf Meethalavalappu Pallikunhi <manaf.pallikunhi@oss.qualcomm.com>
Tested-by: Manaf Meethalavalappu Pallikunhi <manaf.pallikunhi@oss.qualcomm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://patch.msgid.link/20260813211433.879638-1-linux@roeck-us.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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IA32_THERM_STATUS and IA32_PACKAGE_THERM_STATUS have a valid bit, bit 31.
The Intel SDM documents it only for the former, but the package register
implements it too: x86_pkg_temp_thermal has required it since commit
f1a18a105660 ("Thermal: CPU Package temperature thermal").
This driver checked the bit for both registers as well, until
commit bf6ea084ebb5 ("hwmon: (coretemp) Do not return -EAGAIN for low
temperatures") made it ignore the bit because some CPUs clear it while
the temperature is too low to be measured. Since then, temp%d_input
reports such a reading as a real temperature. Userspace cannot tell it
apart from a genuinely low one.
Fail the read with -ENODATA while the CPU reports the reading as invalid.
On a CPU that clears the bit, reading temp%d_input now fails where it
used to return a low value. sensors(1) shows N/A in its place.
Cc: stable@vger.kernel.org
Suggested-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/all/46f9f319-de71-412f-a424-6cb801478456@roeck-us.net/
Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
Link: https://patch.msgid.link/20261006-coretemp-enodata-v2-1-64e788acc7dc@linux.intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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It seems the xhci-pci-prom21 module only has IDs for the 800 series
chipsets. However, the 600 series chipsets also have Promontory 21
chips, so we should add their IDs to the list as well.
I have tested this on my X670 board featuring DID `0x43f7`.
`1022:43f7` also appears on the PCI ID database
(https://pci-ids.ucw.cz/read/PC/1022/43f7).
Device IDs `0x43f9` (B665) & `0x43fa` (A620) were suggested by Shyam.
Also list the new IDs in Documentation/hwmon/prom21-xhci.rst.
Cc: stable@vger.kernel.org # 7.2.x
Cc: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Cc: Jihong Min <hurryman2212@gmail.com>
Signed-off-by: Stephen Horvath <linux@stevetech.au>
Tested-by: Mirko Jechow <mirko.jechow@gmx.de>
[mirko.jechow@gmx.de: add new IDs to prom21-xhci.rst]
Signed-off-by: Mirko Jechow <mirko.jechow@gmx.de>
Link: https://patch.msgid.link/20261004002731.49927-1-mirko.jechow@gmx.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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k10temp matches the Hygon F3 device, but derives the node passed to
amd_smn_read() from the F3 PCI slot using the AMD fixed-slot mapping
(slot - 0x18). Hygon PCI slots do not encode DF node identity, and
their SMN roots are grouped by socket.
The derived node number therefore cannot identify a valid Hygon SMN
target or provide usable temperature monitoring. Removing the match
does not disable a working monitoring path.
Remove the Hygon PCI match and Family 0x18 branch. Hygon temperature
monitoring will use the Hygon node and SMN interfaces in a separate
series.
Fixes: d93217d84c6c ("hwmon: (k10temp) Add Hygon Dhyana support")
Cc: stable@vger.kernel.org
Signed-off-by: Lin Wang <wanglin@open-hieco.net>
Link: https://patch.msgid.link/20260921055603.25112-6-wanglin@open-hieco.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add the following sensors:
- Alternate Board Temperature (temp11_input)
- Top DIMM 1-7 Temperature (temp12_input to temp18_input)
- Bottom DIMM 1 Temperature (temp19_input)
- 12V Standby Voltage (in14_input)
This fixes the following warning on conga-SA7:
Board Controller returned an unknown sensor (bc_type=1, bc_id=11), ignore it
Also update existing labels to match Congatec documentation.
Cc: stable@kernel.org
Fixes: 08ebc9def79f ("hwmon: Add Congatec Board Controller monitoring driver")
Signed-off-by: Thomas Richard (congatec GmbH) <thomas.richard@bootlin.com>
Link: https://patch.msgid.link/20260911-cgbc-hwmon-fix-and-new-sensors-v2-2-0c6bf078d173@bootlin.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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It prevented the pdfdocs target to complete, prompting the following
error:
Latexmk: ====Problematic refs and citations with line #s in .tex file:
Missing character: There is no ： (U+FF1A) in font DejaVu Serif/OT:script=latn;l
Fixes: 69001f21ded78 ("hwmon: document: add gpd-fan")
Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Link: https://patch.msgid.link/20260818-doc-hwmon-remove-confusable-v2-1-c1dff1ec01cd@bootlin.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The hwmon core provides hwmon_notify_event() for drivers to report events
such as alarm or fault conditions to userspace via sysfs notifications
and uevents, as well as to the thermal subsystem for temperature sensors.
However, this function is not documented in the hwmon kernel API guide.
Add the function prototype and description of hwmon_notify_event() to
Documentation/hwmon/hwmon-kernel-api.rst.
Cc: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Fixes: 1597b374af222 ("hwmon: Add notification support")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc/IIO/etc driver updates from Greg KH:
"Here is the big set of char, misc, iio, counter, fpga, and other small
driver subsystems for 7.3-rc1.
Overall, due to some driver removals we only added a bit more code
than removed, which was a nice change. Highlights in this merge
request are:
- Loads of IIO driver updates and additions
- binder driver updates (more on that below...)
- Removal of the SGI XP and GRU drivers as they are not used anymore
and turn out to be pretty insecure overall
- Removal of the obsolete ibmasm driver as it's not being used
anymore
- Coresight driver updates and additions
- Mei driver udpates
- Counter driver updates
- FPGA driver updates
- ICC driver updates
- lots and lots of other tiny driver updates to resolve reported
issues
All of these have been in linux-next for a while"
* tag 'char-misc-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (513 commits)
iio: chemical: atlas-sensor: use iio_trigger_poll_nested() to fix remove UAF
iio: adc: pac1921: fix wrong channel used in trigger handler read
iio: light: gp2ap002: re-enable irq if runtime suspend fails
iio: light: gp2ap002: Fix unbalanced runtime PM on repeated event writes
iio: light: apds9306: fix PM reference leak in apds9306_read_data()
iio: gyro: mpu3050: fix sign of raw angular velocity readings
iio: srf04: fix pm_runtime handling on probe error path
iio: adc: ad4080: configure backend data size
iio: adc: adi-axi-adc: add data size support for AD408X backend
iio: chemical: atlas-sensor: fix PM reference leak in buffer postenable
iio: dac: ad5446: fix OF module device table
iio: light: opt4001: Fix reversed GENMASK() arguments in fault count mask
iio: light: opt4001: Reject integration times with a non-zero seconds part
iio: light: opt4001: Fix incompatible pointer type passed to div_u64_rem()
iio: light: opt4001: Fix power down clearing bits of the wrong register
iio: light: opt4060: Fix incorrect register name in threshold read error message
iio: light: opt4060: Fix pointer type passed to div_u64_rem()
iio: light: opt4060: Reject integration times with a non-zero seconds part
iio: light: ltrf216a: fix runtime PM reference leak in error path
iio: pressure: dps310: fix NULL pointer dereference on ACPI probe
...
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Remove the hysteresis for low temperature limit, in hardware
the hysteresis is applied only to the maxim limit and the
critical limit temperature.
Fixes: 54392ce4446e3 ("hwmon: (emc1403) Add support for min_hyst attributes")
Signed-off-by: Marius Cristea <marius.cristea@microchip.com>
Link: https://lore.kernel.org/r/20260813-emc1403_remove_min_hyst-v1-1-43a0d05d9f49@microchip.com
[groeck: Updated subject]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The ROG Ryujin III White Edition uses the same report layout as the
other supported Ryujin III variants. Add its USB device ID and list it
in the driver documentation.
The device was tested with the driver on the author's hardware.
Link: https://github.com/aleksamagicka/asus_rog_ryujin-hwmon/pull/10
Signed-off-by: Will Smith <github@notthatwillsmith.com>
Assisted-by: Codex:gpt-5.6-sol sparse
Signed-off-by: Arie Miller <renari@arimil.com>
Reviewed-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20260812103532.395049-4-renari@arimil.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The ROG Ryujin III uses different report offsets and a different
cooler-duty channel from the Ryujin II. It also lacks the separate
external fan controller supplied with the older model.
Add model data and USB IDs for the Extreme and EVA Edition variants.
Skip controller commands and hide the unavailable controller hwmon
channels for these devices. Update the driver documentation, Kconfig
text, and module description accordingly.
Link: https://github.com/aleksamagicka/asus_rog_ryujin-hwmon/pull/9
Assisted-by: Codex:gpt-5.6-sol sparse
Signed-off-by: Arie Miller <renari@arimil.com>
Reviewed-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20260812103532.395049-3-renari@arimil.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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NCT5585D uses the same chip ID (0xd428) as NCT6798D and is fully
compatible with it. Tested on an ASUS PRIME H610M-D motherboard.
Signed-off-by: Jiazhi Huang <huangjia2hi@163.com>
Link: https://lore.kernel.org/r/20260811093744.12199-3-huangjia2hi@163.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The NCT6797D and NCT6798D chips are already supported by the driver
but were missing from the documentation.
Signed-off-by: Jiazhi Huang <huangjia2hi@163.com>
Link: https://lore.kernel.org/r/20260811093744.12199-2-huangjia2hi@163.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The ROG STRIX Z390-E GAMING and Z390-F GAMING are essentially the
same board apart from the E's onboard WiFi, so they share the same
EC sensor layout.
Signed-off-by: Rodrigo Araujo <araujo.rm@gmail.com>
Signed-off-by: Eugene Shalygin <eugene.shalygin@gmail.com>
Link: https://lore.kernel.org/r/20260809212705.1501382-1-eugene.shalygin@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add information about the HX1500i 2025 series and fix the missing
HX1500i in Kbuild.
Signed-off-by: Wilken Gottwalt <wilken.gottwalt@posteo.net>
Link: https://lore.kernel.org/r/anVuBd8Bb7T66OUO@monster.localdomain
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add DMI quirk entries and map correct ACPI paths and configurations for
additional Lenovo laptop models including the LOQ 15IAX9,
XiaoXin Pro 13ARE 2020, IdeaPad 3 15ALC6, Legion Pro 7 16AFR10H,
Yoga Pro 7 14IAH10, and Yoga 7 16ARP8.
Reorder the DMI quirk table to evaluate specific model matches before
generic family fallbacks, preventing DMI shadowing.
Signed-off-by: Sergio Melas <sergiomelas@gmail.com>
Link: https://lore.kernel.org/r/20260806131103.19104-1-sergiomelas@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The write cases of debugfs entries are provisioning and bench
helpers. By designs the MPQ8646 powers the CPU core rail,
so a wrong write can brown out the board or persist a bad
setpoint into finite-cycle NVM.
Said differently: some wrong register writes can and likely
will physically damage or destroy the chip and/or the board.
To be safe, it is disabled by default behind a
CONFIG_SENSORS_MPQ8646_DEBUG_UNSAFE and we print an explicit warning
banner at probe time when they are built in.
Signed-off-by: Vincent Jardin <vjardin@free.fr>
Link: https://lore.kernel.org/r/20260730-mpq8646_v0-v7-4-e7c7ad768d5d@free.fr
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add a new driver for the MPS MPQ8646 that is a PMBus device.
Beyond basic PMBus telemetry, the driver adds:
- alarm acknowledge via inX_reset_history.
- STATUS_WORD MPS-extended bit decode and the NVM-backed
PROTECTION_LAST post-mortem, exposed as a read-only debugfs
decoder.
- In-driver alarm-poll fallback work item (thanks lm90) for
boards without SMBALERT
Signed-off-by: Vincent Jardin <vjardin@free.fr>
Link: https://lore.kernel.org/r/20260730-mpq8646_v0-v7-3-e7c7ad768d5d@free.fr
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for MAX20830C and MAX20840 step-down DC-DC switching
regulator with PMBus interface. MAX20830C is a different packaging
for MAX20830, and MAX20840C supports 40A regulation compared to
MAX20830 that is only 30A.
Signed-off-by: Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
Link: https://lore.kernel.org/r/20260730-dev-max20830c-v5-4-a7553f84ee74@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The Kraken 2024 Elite (USB ID 1e71:3012) is protocol-compatible with the
existing Kraken 2023 devices and works with the current Z53 code paths.
Add its USB product ID and map it to the KRAKEN2023 kind.
Tested on hardware: liquid temperature and pump/fan speeds read
correctly (cross-checked against liquidctl), and PWM control of both the
pump and fan channels works as expected.
Signed-off-by: Sean Lyon <sean@seanlyon.dev>
Link: https://lore.kernel.org/r/20260728031127.26553-1-sean@seanlyon.dev
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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