Kernel driver ir35221¶
- Supported chips:
- Infineon IR35221 - Prefix: ‘ir35221’ - Addresses scanned: - - Datasheet: Datasheet is not publicly available. 
 
Author: Samuel Mendoza-Jonas <sam@mendozajonas.com>
Description¶
IR35221 is a Digital DC-DC Multiphase Converter
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 IR35221 at address 0x70 on I2C bus #4:
# modprobe ir35221
# echo ir35221 0x70 > /sys/bus/i2c/devices/i2c-4/new_device
Sysfs attributes¶
| curr1_label | “iin” | 
| curr1_input | Measured input current | 
| curr1_max | Maximum current | 
| curr1_max_alarm | Current high alarm | 
| curr[2-3]_label | “iout[1-2]” | 
| curr[2-3]_input | Measured output current | 
| curr[2-3]_crit | Critical maximum current | 
| curr[2-3]_crit_alarm | Current critical high alarm | 
| curr[2-3]_highest | Highest output current | 
| curr[2-3]_lowest | Lowest output current | 
| curr[2-3]_max | Maximum current | 
| curr[2-3]_max_alarm | Current high alarm | 
| in1_label | “vin” | 
| in1_input | Measured input voltage | 
| in1_crit | Critical maximum input voltage | 
| in1_crit_alarm | Input voltage critical high alarm | 
| in1_highest | Highest input voltage | 
| in1_lowest | Lowest input voltage | 
| in1_min | Minimum input voltage | 
| in1_min_alarm | Input voltage low alarm | 
| in[2-3]_label | “vout[1-2]” | 
| in[2-3]_input | Measured output voltage | 
| in[2-3]_lcrit | Critical minimum output voltage | 
| in[2-3]_lcrit_alarm | Output voltage critical low alarm | 
| in[2-3]_crit | Critical maximum output voltage | 
| in[2-3]_crit_alarm | Output voltage critical high alarm | 
| in[2-3]_highest | Highest output voltage | 
| in[2-3]_lowest | Lowest output voltage | 
| in[2-3]_max | Maximum output voltage | 
| in[2-3]_max_alarm | Output voltage high alarm | 
| in[2-3]_min | Minimum output voltage | 
| in[2-3]_min_alarm | Output voltage low alarm | 
| power1_label | “pin” | 
| power1_input | Measured input power | 
| power1_alarm | Input power high alarm | 
| power1_max | Input power limit | 
| power[2-3]_label | “pout[1-2]” | 
| power[2-3]_input | Measured output power | 
| power[2-3]_max | Output power limit | 
| power[2-3]_max_alarm | Output power high alarm | 
| temp[1-2]_input | Measured temperature | 
| temp[1-2]_crit | Critical high temperature | 
| temp[1-2]_crit_alarm | Chip temperature critical high alarm | 
| temp[1-2]_highest | Highest temperature | 
| temp[1-2]_lowest | Lowest temperature | 
| temp[1-2]_max | Maximum temperature | 
| temp[1-2]_max_alarm | Chip temperature high alarm |