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Diffstat (limited to 'Documentation/hwmon/pxe1610')
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diff --git a/Documentation/hwmon/pxe1610 b/Documentation/hwmon/pxe1610 new file mode 100644 index 000000000000..211cedeefb44 --- /dev/null +++ b/Documentation/hwmon/pxe1610 @@ -0,0 +1,90 @@ +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 |