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Kernel driver tps53679

Documentation/hwmon/tps53679.rst

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Kernel driver tps53679

Supported chips:

Authors: Vadim Pasternak [email protected] Guenter Roeck [email protected]

Description

Chips in this series are multi-phase step-down converters with one or two output channels and up to 8 phases per channel.

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 TPS53681 at address 0x60 on I2C bus #1::

# modprobe tps53679
# echo tps53681 0x60 > /sys/bus/i2c/devices/i2c-1/new_device

Sysfs attributes

======================= ======================================================== in1_label "vin"

in1_input Measured input voltage.

in1_lcrit Critical minimum input voltage

		TPS53679, TPS53681, TPS53688 only.

in1_lcrit_alarm Input voltage critical low alarm.

		TPS53679, TPS53681, TPS53688 only.

in1_crit Critical maximum input voltage.

in1_crit_alarm Input voltage critical high alarm.

in[N]_label "vout[1-2]"

		- TPS53647, TPS53667: N=2
		- TPS53679, TPS53588: N=2,3

in[N]_input Measured output voltage.

in[N]_lcrit Critical minimum input voltage.

		TPS53679, TPS53681, TPS53688 only.

in[N]_lcrit_alarm Critical minimum voltage alarm.

		TPS53679, TPS53681, TPS53688 only.

in[N]_alarm Output voltage alarm.

		TPS53647, TPS53667 only.

in[N]_crit Critical maximum output voltage.

		TPS53679, TPS53681, TPS53688 only.

in[N]_crit_alarm Output voltage critical high alarm.

		TPS53679, TPS53681, TPS53688 only.

temp[N]_input Measured temperature.

		- TPS53647, TPS53667: N=1
		- TPS53679, TPS53681, TPS53588: N=1,2

temp[N]_max Maximum temperature.

temp[N]_crit Critical high temperature.

temp[N]_max_alarm Temperature high alarm.

temp[N]_crit_alarm Temperature critical high alarm.

power1_label "pin".

power1_input Measured input power.

power[N]_label "pout[1-2]".

		- TPS53647, TPS53667: N=2
		- TPS53676, TPS53679, TPS53681, TPS53588: N=2,3

power[N]_input Measured output power.

curr1_label "iin".

curr1_input Measured input current.

curr1_max Maximum input current.

curr1_max_alarm Input current high alarm.

curr1_crit Critical input current.

curr1_crit_alarm Input current critical alarm.

curr[N]_label "iout[1-2]" or "iout1.[0-5]".

		The first digit is the output channel, the second
		digit is the phase within the channel. Per-phase
		telemetry supported on TPS53676 and TPS53681 only.

		- TPS53647, TPS53667: N=2
		- TPS53679, TPS53588: N=2,3
		- TPS53676: N=2-8
		- TPS53681: N=2-9

curr[N]_input Measured output current.

curr[N]_max Maximum output current.

curr[N]_crit Critical high output current.

curr[N]_max_alarm Output current high alarm.

curr[N]_crit_alarm Output current critical high alarm.

		Limit and alarm attributes are only available for
		non-phase telemetry (iout1, iout2).

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