Kernel driver pxe1610¶
Supported chips:
Infineon PXE1610
Prefix: ‘pxe1610’
Addresses scanned: -
Datasheet: Datasheet is not publicly available.
Infineon PXE1110
Prefix: ‘pxe1110’
Addresses scanned: -
Datasheet: Datasheet is not publicly available.
Infineon PXM1310
Prefix: ‘pxm1310’
Addresses scanned: -
Datasheet: Datasheet is not publicly available.
Author: Vijay Khemka <vijaykhemka@fb.com>
Description¶
PXE1610/PXE1110 are Multi-rail/Multiphase Digital Controllers and compliant to
Intel VR13 DC-DC converter specifications.
Intel SVID protocol.
Used for Vcore power regulation for Intel VR13 based microprocessors
Servers, Workstations, and High-end desktops
PXM1310 is a Multi-rail Controller and it is compliant to
Intel VR13 DC-DC converter specifications.
Intel SVID protocol.
Used for DDR3/DDR4 Memory power regulation for Intel VR13 and IMVP8 based systems
Usage Notes¶
This driver does not probe for PMBus devices. You will have to instantiate devices explicitly.
Example: the following commands will load the driver for an PXE1610 at address 0x70 on I2C bus #4:
# modprobe pxe1610
# echo pxe1610 0x70 > /sys/bus/i2c/devices/i2c-4/new_device
It can also be instantiated by declaring in device tree
Sysfs attributes¶
| curr1_label | “iin” | 
| curr1_input | Measured input current | 
| curr1_alarm | Current high alarm | 
| curr[2-4]_label | “iout[1-3]” | 
| curr[2-4]_input | Measured output current | 
| curr[2-4]_crit | Critical maximum current | 
| curr[2-4]_crit_alarm | Current critical high alarm | 
| in1_label | “vin” | 
| in1_input | Measured input voltage | 
| in1_crit | Critical maximum input voltage | 
| in1_crit_alarm | Input voltage critical high alarm | 
| in[2-4]_label | “vout[1-3]” | 
| in[2-4]_input | Measured output voltage | 
| in[2-4]_lcrit | Critical minimum output voltage | 
| in[2-4]_lcrit_alarm | Output voltage critical low alarm | 
| in[2-4]_crit | Critical maximum output voltage | 
| in[2-4]_crit_alarm | Output voltage critical high alarm | 
| power1_label | “pin” | 
| power1_input | Measured input power | 
| power1_alarm | Input power high alarm | 
| power[2-4]_label | “pout[1-3]” | 
| power[2-4]_input | Measured output power | 
| temp[1-3]_input | Measured temperature | 
| temp[1-3]_crit | Critical high temperature | 
| temp[1-3]_crit_alarm | Chip temperature critical high alarm | 
| temp[1-3]_max | Maximum temperature | 
| temp[1-3]_max_alarm | Chip temperature high alarm |