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diff --git a/Documentation/hwmon/tps53679.rst b/Documentation/hwmon/tps53679.rst new file mode 100644 index 000000000000..3b9561648c24 --- /dev/null +++ b/Documentation/hwmon/tps53679.rst @@ -0,0 +1,187 @@ +Kernel driver tps53679 +====================== + +Supported chips: + + * Texas Instruments TPS53647 + + Prefix: 'tps53647' + + Addresses scanned: - + + Datasheet: https://www.ti.com/lit/gpn/tps53647 + + * Texas Instruments TPS53667 + + Prefix: 'tps53667' + + Addresses scanned: - + + Datasheet: https://www.ti.com/lit/gpn/TPS53667 + + * Texas Instruments TPS53676 + + Prefix: 'tps53676' + + Addresses scanned: - + + Datasheet: https://www.ti.com/lit/gpn/TPS53676 + + * Texas Instruments TPS53679 + + Prefix: 'tps53679' + + Addresses scanned: - + + Datasheet: https://www.ti.com/lit/gpn/TPS53679 (short version) + + * Texas Instruments TPS53681 + + Prefix: 'tps53681' + + Addresses scanned: - + + Datasheet: https://www.ti.com/lit/gpn/TPS53681 + + * Texas Instruments TPS53688 + + Prefix: 'tps53688' + + Addresses scanned: - + + Datasheet: Available under NDA + + +Authors: + Vadim Pasternak <vadimp@mellanox.com> + Guenter Roeck <linux@roeck-us.net> + + +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). + +======================= ======================================================== |