The Linux driver supports PMBus controlled Buck Controllers. The Linux driver supports communication through the PMBus and interfaces with the HWMon framework.
Linux Mainline Status
Available in Linux Main line: Yes
Available through git.ti.com: N/A
Supported Devices:
- tps40400
- tps40422
- tps544b20
- tps544b25
- tps544c20
- tps544c25
Linux Source Files
The files associated with this device are:
- drivers/hwmon/pmbus/pmbus.c
- drivers/hwmon/pmbus/pmbus_core.c
- drivers/hwmon/pmbus/tps40422.c
- Documentation/hwmon/pmbus
- Documentation/hwmon/tps40422
Source Files
drivers/hwmon/pmbus/pmbus.c drivers/hwmon/pmbus/pmbus_core.c drivers/hwmon/pmbus/tps40422.cOther Files
Documentation/hwmon/pmbus Documentation/hwmon/tps40422
Enabling Driver Support
Configure kernel with "make menuconfig" (alternatively use "make xconfig" or "make nconfig")
Menuconfig Location
Symbol: PMBUS [=y]Type : tristatePrompt: PMBus support Location: -> Device Drivers -> Hardware Monitoring support (HWMON [=y]) Defined at drivers/hwmon/pmbus/Kconfig:5 Depends on: HWMON [=y] && I2C [=y]Symbol: SENSORS_PMBUS [=y]Type : tristatePrompt: Generic PMBus devices Location: -> Device Drivers -> Hardware Monitoring support (HWMON [=y]) -> PMBus support (PMBUS [=y]) Defined at drivers/hwmon/pmbus/Kconfig:17 Depends on: HWMON [=y] && PMBUS [=y]Symbol: SENSORS_PMBUS [=y]Type : tristatePrompt: Generic PMBus devices Location: -> Device Drivers -> Hardware Monitoring support (HWMON [=y]) -> PMBus support (PMBUS [=y]) Defined at drivers/hwmon/pmbus/Kconfig:17 Depends on: HWMON [=y] && PMBUS [=y]Symbol: SENSORS_TPS40422 [=y]Type : tristatePrompt: TI TPS40422 Location: -> Device Drivers -> Hardware Monitoring support (HWMON [=y]) -> PMBus support (PMBUS [=y]) Defined at drivers/hwmon/pmbus/Kconfig:118 Depends on: HWMON [=y] && PMBUS [=y]
Fixes and Code Enhancements
If there are fixes and or code enhancements that need to be added to thisdriver please either1. Send the patches to the relevant Linux Kernel community as listed in the maintainers file located: Hereor2. Contact your TI representative.