starfive-tech/linux.git/drivers/hwmon/pmbus, branch visionfive

treewide: rename GPIO set callbacks back to their original names

2025-08-07T08:07:06+00:00

The conversion of all GPIO drivers to using the .set_rv() and .set_multiple_rv() callbacks from struct gpio_chip (which - unlike their predecessors - return an integer and allow the controller drivers to indicate failures to users) is now complete and the legacy ones have been removed. Rename the new callbacks back to their original names in one sweeping change. Signed-off-by: Bartosz Golaszewski

hwmon: (pmbus/tps53679) Add support for TPS53685

2025-07-20T23:38:34+00:00

The TPS53685 is a fully AMD SVI3 compliant step down controller with trans-inductor voltage regulator(TLVR) topology support, dual channels, built-in non-volatile memory (NVM), PMBus interface, and full compatible with TI NexFET smart power stages. Add support for it to the tps53679 driver. Signed-off-by: Chiang Brian Link: https://lore.kernel.org/r/20250619064223.3165523-3-chiang.brian@inventec.com Signed-off-by: Guenter Roeck

hwmon: (pmbus/adp1050) Add regulator support for ltp8800

2025-07-20T23:38:34+00:00

Add regulator support for the single-channel LTP8800-1A/-2/-4A 150A/135A/200A DC/DC µModule Regulator. Reviewed-by: Andy Shevchenko Signed-off-by: Cedric Encarnacion Link: https://lore.kernel.org/r/20250709-adp1051-v5-3-539254692252@analog.com Signed-off-by: Guenter Roeck

hwmon: (pmbus/adp1050) Add support for adp1051, adp1055 and ltp8800

2025-07-20T23:38:34+00:00

Introduce hardware monitoring support for the following devices: ADP1051: 6 PWM for I/O Voltage, I/O Current, Temperature ADP1055: 6 PWM for I/O Voltage, I/O Current, Power, Temperature LTP8800-1A/-2/-4A: 150A/135A/200A DC/DC µModule Regulator The ADP1051 and ADP1055 are similar digital controllers for high efficiency DC-DC power conversion while the LTP8800 is a family of step-down μModule regulators that provides microprocessor core voltage from 54V power distribution architecture. All of the above components features telemetry monitoring of input/output voltage, input current, output power, and temperature over PMBus. Reviewed-by: Andy Shevchenko Co-developed-by: Alexis Czezar Torreno Signed-off-by: Alexis Czezar Torreno Signed-off-by: Cedric Encarnacion Link: https://lore.kernel.org/r/20250709-adp1051-v5-2-539254692252@analog.com [groeck: Dropped unnecessaary spaces after type casts] Signed-off-by: Guenter Roeck

hwmon: (pmbus/isl68137) Add support for RAA229621

2025-07-20T23:38:34+00:00

The RAA229621 is a digital dual output multiphase (X+Y <= 8) PWM controller designed to be compliant with AMD SVI3 specifications, targeting VDDCR_CPU and VDDCR_SOC rails. Add support for it to the isl68137 driver. Signed-off-by: Chiang Brian Link: https://lore.kernel.org/r/20250605040134.4012199-3-chiang.brian@inventec.com Signed-off-by: Guenter Roeck

hwmon: (pmbus/ucd9000) Fix error in ucd9000_gpio_set

2025-07-18T16:50:55+00:00

The GPIO output functionality does not work as intended. The ucd9000_gpio_set function should set UCD9000_GPIO_CONFIG_OUT_VALUE (bit 2) in order to change the output value of the selected GPIO. Instead UCD9000_GPIO_CONFIG_STATUS (bit 3) is set, but this is a read-only value. This patch fixes the mistake and provides the intended functionality of the GPIOs. See UCD90xxx Sequencer and System Health Controller PMBus Command SLVU352C section 10.43 for reference. Signed-off-by: Torben Nielsen Link: https://lore.kernel.org/r/20250718093644.356085-2-t8927095@gmail.com Signed-off-by: Guenter Roeck

hwmon: pmbus: mpq8785: Add support for MPM3695 family

2025-05-12T16:45:26+00:00

Add support for the Monolithic Power Systems MPM3695 family. It contains four devices with suffixes: -10, -20, -25 and -100. The device is PMBus compliant and shares characteristics with the MPM82504. MPM3695-25 has different VOLTAGE_SCALE_LOOP register size [11:0] and therefore needs to have a separate compatible entry. Tested with device tree based matching (MPM3695-10). Signed-off-by: Pawel Dembicki Link: https://lore.kernel.org/r/20250511035701.2607947-6-paweldembicki@gmail.com Signed-off-by: Guenter Roeck

hwmon: pmbus: mpq8785: Add support for MPM82504

2025-05-12T16:44:06+00:00

Add support for the Monolithic Power Systems MPM82504 digital voltage regulator. MPM82504 uses PMBus direct format for voltage output. Tested with device tree based matching. Signed-off-by: Pawel Dembicki Link: https://lore.kernel.org/r/20250511035701.2607947-5-paweldembicki@gmail.com Signed-off-by: Guenter Roeck

hwmon: pmbus: mpq8785: Implement VOUT feedback resistor divider ratio configuration

2025-05-12T16:43:17+00:00

Implement support for setting the VOUT_SCALE_LOOP PMBus register based on an optional device tree property "mps,vout-fb-divider-ratio-permille". This allows the driver to provide the correct VOUT value depending on the feedback voltage divider configuration for chips where the bootloader does not configure the VOUT_SCALE_LOOP register. Signed-off-by: Pawel Dembicki Link: https://lore.kernel.org/r/20250511035701.2607947-4-paweldembicki@gmail.com Signed-off-by: Guenter Roeck

hwmon: pmbus: mpq8785: Prepare driver for multiple device support

2025-05-12T16:42:39+00:00

Refactor the driver to support multiple Monolithic Power Systems devices. Introduce chip ID handling based on device tree matching. No functional changes intended. Signed-off-by: Pawel Dembicki Link: https://lore.kernel.org/r/20250511035701.2607947-3-paweldembicki@gmail.com Signed-off-by: Guenter Roeck