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The introductory paragraph for the IO controller still states that
weight based distribution is "available only if cfq-iosched is in use"
and that "neither scheme is available for blk-mq devices". This text
dates from when the cgroup v2 documentation was first written (2015)
and was correct at the time, but is no longer accurate:
* cfq-iosched was removed in v5.0;
* blk-mq is now the only block I/O path, and both the absolute limit
scheme (io.max via blk-throttle) and the weight based scheme
(io.weight via iocost, or io.bfq.weight under BFQ) work on it;
* latency based protection (iolatency) and I/O priority (ioprio)
controllers have since been added.
The rest of the section already documents io.weight, io.max,
io.cost.{qos,model}, io.latency and io.prio.class correctly, so the
introduction is the only part that contradicts them. Rewrite it to
reflect the current state.
Signed-off-by: Zhe Liu <liuzhe1@kylinos.cn>
Reviewed-by: Tao Cui <cuitao@kylinos.cn>
Signed-off-by: Tejun Heo <tj@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into clk-fixes
Pull Qualcomm clock driver fixes from Bjorn Andersson:
- Fix the Eliza display clock controller to avoid RCG stall.
Revert the rework of the "PHY mux" clock, as this broke PCIe
on several different targets
- Drop (and correct one) bouncing maintainer email addresses in
Qualcomm clk DeviceTree bindings
* tag 'qcom-clk-fixes-for-7.2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
dt-bindings: clock: Replace bouncing emails
Revert "clk: qcom: regmap-phy-mux: Rework the implementation"
clk: qcom: dispcc-eliza: Fix disp_cc_mdss_mdp_clk_src RCG stall on Eliza EVK
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https://git.kernel.org/pub/scm/linux/kernel/git/sven/linux into soc/dt
Apple SoC DTS changes for 7.3
- Initial M3 Pro, Max and Ultra device trees, which are responsible for
the majority of the diffstat. These include CPU cores, interrupt
controller, power state, watchdog, serial pin/gpio controller, i2c and
the boot framebuffer. They are now on par with the base M3 device
trees.
- HWMON sensors for M1/M2
- "pmgr-misc" nodes for M1/2 Pro/Max/Ultra which saves about 1W of power
on these machines. The corresponding driver and dt-binding are part of
the Apple SoC driver changes tag for this cycle.
Signed-off-by: Sven Peter <sven@kernel.org>
* tag 'apple-soc-dt-7.3' of https://git.kernel.org/pub/scm/linux/kernel/git/sven/linux: (22 commits)
arm64: dts: apple: Initial T6030 (M3 Pro) device trees
arm64: dts: apple: Initial T603[124] (M3 Max and Ultra) device trees
dt-bindings: pwm: apple,s5l-fpwm: Add t6030 and t6031 compatibles
dt-bindings: i2c: apple,i2c: Add t6030 and t6031 compatibles
dt-bindings: power: apple,pmgr-pwrstate: Add t6030 and t6031 compatibles
dt-bindings: arm: apple: apple,pmgr: Add t6030 and t6031 compatibles
dt-bindings: interrupt-controller: apple,aic2: Add apple,t6031-aic3 compatible
dt-bindings: interrupt-controller: apple,aic2: Invert #interrupt-cells condition
dt-bindings: arm: apple: Add M3 Pro/Max/Ultra devices (T603x)
arm64: dts: apple: t60xx: jxxx: Add device-specific SMC hwmon sensors
arm64: dts: apple: t8112: jxxx: Add device-specific SMC hwmon sensors
arm64: dts: apple: t8103: jxxx: Add device-specific SMC hwmon sensors
arm64: dts: apple: t602x: Add common SMC hwmon sensors
arm64: dts: apple: t600x: Add common SMC hwmon sensors
arm64: dts: apple: t8112: Add common SMC hwmon sensors
arm64: dts: apple: t8103: Add common SMC hwmon sensors
arm64: dts: apple: Add common SMC hwmon infrastructure
arm64: dts: apple: t602x: Add SMC hwmon node
arm64: dts: apple: t600x: Add SMC hwmon node
arm64: dts: apple: t8103: Add SMC hwmon node
...
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/dt
More Qualcomm Arm64 DeviceTree updates for v7.3
Introduce the Asus Zenbook A16 (UX3607OA).
Add IPQ9574 PCIe bridge descriptions and enable PCIe0 and PCIe2 for
QCN92xx Wi-Fi cards on RDP454. Align IPQ5018, IPQ6018, and IPQ8074 PCIe
PHY and reset descriptions with the port-node binding.
Extend Shikra platform enablement with CQM and IQS SoM Wi-Fi and Bluetooth
descriptions. Enable CDSP, LPAICP, and MPSS remote processors on CQM, CQS,
and IQS EVKs, and add SMP2P, QUPv3, DDR bandwidth monitor, CPU frequency
hardware, EPSS L3 interconnect, OPP tables, thermal zones, GPIO
reservations, and display and GPU clock controllers.
Enable Eliza CQS EVK audio and add its LPASS macro and SoundWire
descriptions. Add PMIC ADC support for Hamoa, Monaco, and Lemans, and
ADC channel macros for the third-generation ADC block. Add minidump SRAM
configurations across affected Qualcomm platforms.
Fix QMP PHY vdda-phy and vdda-pll supply assignments across Qualcomm
platforms. Correct PCIe IOMMU mappings for QCS6490, Lemans, Monaco,
Talos, SM, SC, and related boards. Fix the Glymur/Mahua PDC interrupt
mapping, USB HS properties, and wakeup configuration; correct board
identifiers, pin configuration, GPIO supplies, default bus frequency, and
DT validation issues.
Enable the X1E80100 deepest idle state, configure SPMI ADC thermal
monitoring on SM8550 and SM8650, add the Milos GPU clock controller, and
assign SM8650 CCI clock rates.
* tag 'qcom-arm64-for-7.3-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (117 commits)
arm64: dts: qcom: talos-evk: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: sa8155p-adp: Fix swapped USB and UFS QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: eliza-mtp: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: lemans: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: glymur: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: kaanapali: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: sar2130p: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: sm8750: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: sm8650: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: purwa: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: hamoa: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: sc8180x: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: sc7280: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: sc7180: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: sm7225-fairphone-fp4: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: qcs6490: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: qcm6490: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: qcs8550-aim300: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: sm8550: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
arm64: dts: qcom: sm8450: Fix swapped USB QMP PHY vdda-phy/vdda-pll supplies
...
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux into soc/dt
TI K3 device tree updates for v7.3
SoC Specific Changes:
AM64:
- Non critical clock ID update for ICSSG MDIO
Board Specific Changes:
AM62L BeagleBadge:
- New AM62L based BeagleBadge board
Variscite VAR-SOM-AM62(P):
- Add support for Variscite VAR-SOM-AM62 and Symphony carrier board
- var-som-am62p: Fix Ethernet PHY configuration and update audio codec
configuration
- am62p5-var-som-symphony: Add touchscreen and TPM support
AM69 Aquila (Toradex):
- DSI adapters and Display addon board overlays
- OV5640 CSI camera overlays
AM62x (Toradex Verdin):
- DSI adapters and Display addon board overlays
AM62P-Verdin:
- Add Toradex OV5640 CSI camera overlay
- Add NAU8822 Bridge Tied Load audio support
AM642 TQMa64xxl:
- Misc non-urgent fixes
AM67A BeagleY-AI:
- Setup I2C for CSI/DSI connectors and add DSI0/CSI1 mux
- Add IMX219 CSI0/CSI1 camera overlays
- Add gpio line names
AM68 phyBOARD-Izar:
- Add pwm fan support
AM625-BeaglePlay:
- Add LincolnTech OLDI LCD-185 overlay
AM625-SK:
- Add Microtips OLDI SK-LCD1 overlay
AM62L:
- Add bootph-all property to usb0
AM62A7-SK:
- Add bootph-all property in cpsw_mac_syscon node
* tag 'ti-k3-dts-for-v7.3' of https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux: (37 commits)
arm64: dts: ti: Correct white-space style
arm64: dts: ti: k3-am64: Fix MDIO clock reference for ICSSG0 node
arm64: dts: ti: k3-am67a-beagley-ai: Add gpio line names
arm64: dts: ti: k3-am62a7-sk: Add bootph-all property in cpsw_mac_syscon node
arm64: dts: ti: k3-am67a-beagley-ai: Add overlay for IMX219 on CSI1
arm64: dts: ti: k3-am67a-beagley-ai: Add overlay for IMX219 on CSI0
arm64: dts: ti: k3-am67a-beagley-ai: Add DSI0/CSI1 mux
arm64: dts: ti: k3-am67a-beagley-ai: Setup I2C for CSI/DSI connectors
arm64: dts: ti: Add LincolnTech OLDI LCD-185 Overlay for AM625-BeaglePlay
arm64: dts: ti: k3-am68-phyboard-izar: Add pwm fan
arm64: dts: ti: Add Microtips OLDI SK-LCD1 Overlay for AM625-SK
arm64: dts: ti: k3-am62l: Add bootph to usb0
arm64: dts: ti: k3-am62x-verdin: Share UART_4 MCU reservation overlay
arm64: dts: ti: k3-am62p-verdin: Add Toradex OV5640 CSI Cameras
arm64: dts: ti: k3-am62p-verdin: Add NAU8822 Bridge Tied Load
arm64: dts: ti: k3-am62-verdin: Add RPi Touch Display 2 7-inch
arm64: dts: ti: k3-am62-verdin: Add Mezzanine with Toradex Display 10.1" LVDS
arm64: dts: ti: k3-am62-verdin: Add Toradex DSI to LVDS adapter with the 10.1" V2 display
arm64: dts: ti: k3-am62-verdin: Add Toradex Capacitive Touch Display 10.1" LVDS V2
arm64: dts: am62p5-var-som-symphony: add TPM support
...
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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soc/dt
arm64: Xilinx DT changes for 7.3
bindings:
- Cleanup xilinx.txt
- Update ZynqMP firmware and clock descriptions
zynq:
- Drop bias-high-impedance on SD
zynqmp:
- Drop bias-high-impedance on SD
- Correct indentation
versalnet:
- Enable firmware interface including clock, power and reset
* tag 'zynqmp-dt-for-7.3' of https://github.com/Xilinx/linux-xlnx:
arm64: versal-net: Switch Versal NET to firmware clock interface
dt-bindings: clock: versal-clk: Fix Versal NET clock validation
dt-bindings: clock: Move xlnx,zynqmp-clk to its own schema
dt-bindings: clock: versal-clk: Fix mio_clk index range in clock-names pattern
dt-bindings: firmware: xilinx: Add missing example for ZynqMP
dt-bindings: xilinx: Remove EDK/Ethernet references
arm64: dts: xilinx: zynqmp-sck: Correct indentation
arm: dts: xilinx: drop bias-high-impedance on SDIO CD/WP pins
arm64: dts: xilinx: drop bias-high-impedance on SDIO CD/WP pins
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Add device tree binding documentation for the watchdog timer (WDT)
controller found on Nuvoton MA35D1 SoC.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Zi-Yu Chen <zychennvt@gmail.com>
Link: https://lore.kernel.org/r/20260804070351.1846165-2-zychennvt@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add the compatible for the watchdog of the Rockchip RV1106, which is
compatible with the Synopsys DesignWare watchdog.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20260714131856.v2.1.b5339e64b3fe4338b3924ebd9dc0096904699744@changeid
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add documentation describing how the NPCM watchdog driver reports reset
causes through bootstatus on NPCM750 and NPCM845 systems.
Document the reset flag mapping, the watchdog instance mapping for
WDIOF_CARDRESET, and the NPCM750/NPCM845 latch handling. Also mention
sysfs bootstatus reporting when watchdog sysfs support is enabled.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Link: https://lore.kernel.org/r/20260706144828.3517631-3-tmaimon77@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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NPCM750 and NPCM845 latch watchdog reset indications in the SoC
GCR block rather than in the watchdog block itself.
Add the optional nuvoton,sysgcr phandle so watchdog nodes can
reference the shared GCR reset-status registers that hold those
latched watchdog reset indications.
This is needed by the following reset-status support, which reads
those latches and reports watchdog-caused resets through bootstatus.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20260706144828.3517631-2-tmaimon77@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The watchdog on Apple silicon M3 Pro, Max and Ultra SoCs is compatible
with the t8103 (M1) one. Add "apple,t6030-wdt" for M3 Pro and
"apple,t6031-wdt" for M3 Max and Ultra as per-SoC compatibles.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Janne Grunau <j@jannau.net>
Link: https://lore.kernel.org/r/20260715-apple-t603x-initial-devices-v2-6-df65b2485710@jannau.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The watchdog on the Apple silicon t8132 (M4) SoC is compatible with the
existing driver. Add "apple,t8132-wdt" as SoC specific compatible under
"apple,t8103-wdt" used by the driver.
The M4 wdt block additionally has a secondary watchdog, which is
disabled by m1n1 and can safely be ignored by Linux.
Signed-off-by: Yureka Lilian <yureka@cyberchaos.dev>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260705-apple-m4-initial-devicetrees-v1-3-e5655ee56523@cyberchaos.dev
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add devicetree binding for watchdog present on Qualcomm Maili SoC.
Signed-off-by: Jingyi Wang <jingyi.wang@oss.qualcomm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20260629-maili-watchdog-v2-1-5cb9c83a581c@oss.qualcomm.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 Analog Devices ADT7470 is a multichannel temperature sensor and
PWM fan controller. It supports monitoring up to 10 external
temperature sensors and controlling up to 4 fans.
Add the device tree binding documentation for it. This includes
support for the thermal framework by defining the "#thermal-sensor-cells"
property, and models the fan control lines as PWM channels by
defining the "#pwm-cells" property.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Link: https://lore.kernel.org/r/20260805-adt7470_thermalzone-v6-1-5605a5f95467@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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The MPS MPQ8646 PMBus step-down converter uses the same
mps,vout-fb-divider-ratio-permille property with the same constraints
(maximum 2047, default 706) as the mps,mpq8785, so add its compatible
to the existing schema.
Signed-off-by: Vincent Jardin <vjardin@free.fr>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260730-mpq8646_v0-v7-2-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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Add compatible strings for variants of MAX20830 which are MAX20830C
and MAX20840C. These devices have the same register functionality with
MAX20830 but with a longer IC_DEVICE_ID.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
Link: https://lore.kernel.org/r/20260730-dev-max20830c-v5-3-a7553f84ee74@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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and complete examples
Add adi,vout-rfb1-ohms and adi,vout-rfb2-ohms properties to support
external voltage divider configuration for VOUT sensing. When the
desired output voltage is higher than VREF, a resistor divider (RFB1
and RFB2) is required to reach the intended value.
The properties use a dependency constraint to ensure both resistors
are specified together, or neither. This prevents misconfiguration
where only one resistor value is provided.
This patch also adds missing entries in the examples.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
Link: https://lore.kernel.org/r/20260730-dev-max20830c-v5-1-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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Volterra VT7505
Add a PMBus driver for the Analog Devices MAX16545 and MAX16550, and the
Volterra VT7505 controllers. The driver reports input/output voltage,
input/output current, input power and temperature over PMBus. All values
use the direct data format. Peak input voltage, output voltage, output
current, input power and temperature readings are exposed and can be
reset.
The reported current and power depend on the external current-report
resistor connected to the ILOAD pin, which can be provided through the
"adi,rload-ohms" device tree property.
On the MAX16550 and VT7505, the severe-OCP deglitch time can optionally
be configured with the "adi,ocp-severe-filter-us" device tree property.
When omitted, the existing hardware setting is left unchanged.
Co-developed-by: Dhruva Devineni <ddevineni@juniper.net>
Co-developed-by: Debjit Ghosh <dghosh@juniper.net>
Co-developed-by: JawaharBalaji Thirumalaisamy <jawaharb@juniper.net>
Co-developed-by: Avadhut Naik <avadhutn@juniper.net>
Co-developed-by: Santhanakrishnan Balraj <sbalraj@juniper.net>
Co-developed-by: Brian Mak <makb@juniper.net>
Signed-off-by: Georgi Vlaev <gvlaev@juniper.net>
Signed-off-by: Sanman Pradhan <psanman@juniper.net>
Link: https://lore.kernel.org/r/20260725211945.288415-3-sanman.pradhan@hpe.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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VT7505
Add device tree binding documentation for the Analog Devices MAX16545 and
MAX16550, and the Volterra VT7505 PMBus controllers.
Signed-off-by: Sanman Pradhan <psanman@juniper.net>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260725211945.288415-2-sanman.pradhan@hpe.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Document the sysfs and debugfs interfaces of the Kandou KB9002 hwmon
driver.
Signed-off-by: Andy Chung <Andy.Chung@amd.com>
Link: https://lore.kernel.org/r/20260724-kb9002-upstream-v5-4-9523c3ffe83a@amd.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The Kandou KB9002 is an 8-lane PCIe 5.0 retimer exposing an SMBus target
that reports an aggregated die temperature. It needs no device-specific
device tree properties beyond its address, so add it to trivial-devices.
Signed-off-by: Andy Chung <Andy.Chung@amd.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260724-kb9002-upstream-v5-2-9523c3ffe83a@amd.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Kandou AI is the vendor of the KB9002 PCIe retimer.
Signed-off-by: Andy Chung <Andy.Chung@amd.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260724-kb9002-upstream-v5-1-9523c3ffe83a@amd.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Fix spelling error reported by codespell:
supprts -> supports
No functional change.
Signed-off-by: shaikh.kamal <shaikhkamal2012@gmail.com>
Link: https://lore.kernel.org/r/20260726065835.21012-1-shaikhkamal2012@gmail.com
[groeck: Move driver name to subject line]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for Maxim MAX34452 PMBus 16-Channel V/I Monitor and
12-Channel Sequencer/Marginer. The device is similar to MAX34451
and shares the same configuration function.
The MAX34452 supports:
- 16 configurable voltage/current monitoring channels
- 5 temperature sensors (pages 16-20)
- Dynamic channel configuration via MFR_CHANNEL_CONFIG
- IOUT average monitoring
Signed-off-by: Carlos Jones Jr <carlosjr.jones@analog.com>
Co-Developed by: Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
Signed-off-by: Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
Link: https://lore.kernel.org/r/20260722-max34451_fixes-v2-3-bbddb18ec1d6@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Reduce the hpe,gxp-fan-ctrl register references from 3 to 1. The
function2 (fn2) and programmable logic (pl) references are removed.
The purpose of removal being their functionality will be consumed by a
new GPIO driver.
Signed-off-by: Nick Hawkins <nick.hawkins@hpe.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230705194544.100370-4-nick.hawkins@hpe.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for MPS mpq82d00 controller. This driver exposes
telemetry and limit value readings and writtings.
Signed-off-by: Wensheng Wang <wenswang@yeah.net>
Link: https://lore.kernel.org/r/20260704081952.1701914-2-wenswang@yeah.net
[groeck: Fixed "WARNING: Title underline too short"]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for MPS mpq82d00 controller.
Signed-off-by: Wensheng Wang <wenswang@yeah.net>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20260704081952.1701914-1-wenswang@yeah.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The GXCAS GXHT30 is a humidity and temperature sensor that is a
drop-in replacement for and fully software compatible with the
Sensirion SHT30.
It is handled by the "sensirion,sht30" fallback compatible without
any driver changes; manual instantiation works with the existing
sht3x device name. Document the chip as supported.
Signed-off-by: Zaixiang Xu <zaixiang.xu.dev@gmail.com>
Link: https://lore.kernel.org/r/20260713074559.12196-5-zaixiang.xu.dev@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add a YAML devicetree binding for the Sensirion SHT3x/STS3x sensor
family and the compatible GXCAS GXHT30, with the ALERT interrupt,
nRESET GPIO and VDD supply as optional properties.
The SHT30, SHT31, SHT35 and SHT85 measure humidity and temperature
and differ only in accuracy and packaging, while the STS30, STS31,
STS32 and STS35 are temperature-only parts. Within each group the
parts share the same software interface, so model them with a
fallback to the base part of their group: "sensirion,sht30" for the
SHT parts and "sensirion,sts30" for the STS parts.
The GXCAS GXHT30 is a drop-in replacement for the SHT30 and uses it
as fallback as well.
Signed-off-by: Zaixiang Xu <zaixiang.xu.dev@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260713074559.12196-3-zaixiang.xu.dev@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add vendor prefix for Beijing Galaxy-CAS Technology Co., Ltd. (GXCAS).
The prefix was confirmed from the manufacturer's website:
https://www.gxcas.com/en/index.html
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Zaixiang Xu <zaixiang.xu.dev@gmail.com>
Link: https://lore.kernel.org/r/20260713074559.12196-2-zaixiang.xu.dev@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for the ProArt Z690-CREATOR WIFI board
Signed-off-by: Maurice Mehlhaff <maurice.mehlhaff@gmx.de>
Signed-off-by: Eugene Shalygin <eugene.shalygin@gmail.com>
Link: https://lore.kernel.org/r/20260708195638.1324168-1-eugene.shalygin@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The board sensors is a copy of ROG STRIX X870E-E GAMING WIFI7, thus we
simply reuse its board_info struct.
Signed-off-by: Vishaal Saraiya <vishaal.saraiya@gmail.com>
Signed-off-by: Eugene Shalygin <eugene.shalygin@gmail.com>
Link: https://lore.kernel.org/r/20260709204037.1998433-3-eugene.shalygin@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for ROG CROSSHAIR X870E HERO
Signed-off-by: Miska Hämäläinen <miska.hamalainen@hotmail.com>
Signed-off-by: Eugene Shalygin <eugene.shalygin@gmail.com>
Link: https://lore.kernel.org/r/20260705113246.812500-1-eugene.shalygin@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for ROG Maximus Z790 Hero.
Signed-off-by: Florian Schut <mail@florianschut.nl>
Signed-off-by: Eugene Shalygin <eugene.shalygin@gmail.com>
Link: https://lore.kernel.org/r/20260705113125.812045-1-eugene.shalygin@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add device tree binding documentation for ESWIN EIC7700 Voltage and
Temperature sensor.
The EIC7700 SoC integrates two PVT instances for monitoring SoC and DDR
power domains respectively.
Signed-off-by: Yulin Lu <luyulin@eswincomputing.com>
Signed-off-by: Huan He <hehuan1@eswincomputing.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Xuyang Dong <dongxuyang@eswincomputing.com>
Link: https://lore.kernel.org/r/20260630091122.1462-1-dongxuyang@eswincomputing.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add a driver for the temperature and voltage sensors on PolarFire SoC.
The temperature reports how hot the die is, and the voltages are the
SoC's 1.05, 1.8 and 2.5 volt rails respectively.
The hardware supports alarms in theory, but there is an erratum that
prevents clearing them once triggered, so no support is added for them.
The hardware measures voltage with 16 bits, of which 1 is a sign bit and
the remainder holds the voltage as a fixed point integer value. It's
improbable that the hardware will work if the voltages are negative, so
the driver ignores the sign bits.
There's no dt support etc here because this is the child of a simple-mfd
syscon.
Signed-off-by: Lars Randers <lranders@mail.dk>
Co-developed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20260629-wriggle-headscarf-c85a4070dddb@spud
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Support ROHM BD12790 hot-swap controller which is largely compatible
with the Analog Devices adm1272.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/753a6ded3e1aff1aaba7d932f0a883f789d9dfaa.1782458224.git.mazziesaccount@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add the ROHM BD12790 to the list of the ICs supported by the adm1275
driver.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/9bafcfe37190b5a3925e8dcfa3b59f8d240234ba.1782458224.git.mazziesaccount@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add the ROHM BD12780 and the BD12780A to the list of the ICs supported by
the adm1275 driver.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/5ff4a4a7a939cd642522fde407b5c9fa123a7089.1782458224.git.mazziesaccount@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Support ROHM BD12780 and BD12780A hot-swap controllers, which are largely
compatible with the Analog Devices adm1278. Main difference between
the BD12780 and the BD12780A is, that the BD12780 has one I2C address
configuration pin more (ADDR3) than the BD12780A.
Introduce own compatibles for both variants but require the BD12780A to
always have the BD12780 as a fall-back.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/2b7d5bb8cba773d0bba1d6779f0e6daa6a40eed4.1782458224.git.mazziesaccount@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for label sysfs attribute similar to other hwmon devices.
This is particularly useful for systems with multiple sensors on the
same board, where identifying individual sensors is much easier since
labels can be defined via device tree.
Signed-off-by: Flaviu Nistor <flaviu.nistor@gmail.com>
Reviewed-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20260625160423.17882-2-flaviu.nistor@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for an optional label property similar to other hwmon devices.
This allows, in case of boards with multiple CHIPCAP2 sensors, to assign
distinct names to each instance.
Signed-off-by: Flaviu Nistor <flaviu.nistor@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260625160423.17882-1-flaviu.nistor@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Fix two minor wording issues in the coretemp documentation.
Signed-off-by: Ximing Zhang <xzhangjr@gmail.com>
Link: https://lore.kernel.org/r/20260616121549.29484-1-xzhangjr@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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