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- .. SPDX-License-Identifier: GPL-2.0
- Kernel driver adp1050
- =====================
- Supported chips:
- * Analog Devices ADP1050
- Prefix: 'adp1050'
- Addresses scanned: I2C 0x70 - 0x77
- Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ADP1050.pdf
- * Analog Devices ADP1051
- Prefix: 'adp1051'
- Addresses scanned: I2C 0x70 - 0x77
- Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ADP1051.pdf
- * Analog Devices ADP1055
- Prefix: 'adp1055'
- Addresses scanned: I2C 0x4B - 0x77
- Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ADP1055.pdf
- * Analog Devices LTP8800-1A/-2/-4A
- Prefix: 'ltp8800'
- Addresses scanned: -
- Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/LTP8800-1A.pdf
- https://www.analog.com/media/en/technical-documentation/data-sheets/LTP8800-2.pdf
- https://www.analog.com/media/en/technical-documentation/data-sheets/LTP8800-4A.pdf
- Authors:
- - Radu Sabau <radu.sabau@analog.com>
- Description
- -----------
- This driver supports hardware monitoring for Analog Devices ADP1050, ADP1051,
- and ADP1055 Digital Controller for Isolated Power Supply with PMBus interface,
- and the LTP8800 step-down μModule regulators.
- The ADP1050, ADP1051, and ADP1055 are advanced digital controllers with PMBus™
- interface targeting high density, high efficiency dc-to-dc power
- conversion used to monitor system temperatures, voltages and currents. The
- LTP8800 is a family of step-down μModule regulators that provides microprocessor
- core voltage from 54V power distribution architecture. Through the PMBus
- interface, the device can monitor input/output voltages, input current and
- temperature.
- Usage Notes
- -----------
- This driver does not auto-detect devices. You will have to instantiate
- the devices explicitly.
- Please see Documentation/i2c/instantiating-devices.rst for details.
- Platform data support
- ---------------------
- The driver supports standard PMBus driver platform data.
- Sysfs Attributes
- ----------------
- ================= ========================================
- in1_label "vin"
- in1_input Measured input voltage
- in1_alarm Input voltage alarm
- in1_crit Critical maximum input voltage
- in1_crit_alarm Input voltage high alarm
- in1_lcrit Critical minimum input voltage
- in1_lcrit_alarm Input voltage critical low alarm
- in2_label "vout1"
- in2_input Measured output voltage
- in2_crit Critical maximum output voltage
- in2_crit_alarm Output voltage high alarm
- in2_lcrit Critical minimum output voltage
- in2_lcrit_alarm Output voltage critical low alarm
- in2_max Critical maximum output voltage
- in2_max_alarm Output voltage critical max alarm
- in2_min Critical minimum output voltage
- in2_min_alarm Output voltage critical min alarm
- curr1_label "iin"
- curr1_input Measured input current.
- curr1_alarm Input current alarm
- curr1_crit Critical maximum input current
- curr1_crit_alarm Input current high alarm
- curr2_label "iout1"
- curr2_input Measured output current
- curr2_alarm Output current alarm
- curr2_crit Critical maximum output current
- curr2_crit_alarm Output current high alarm
- curr2_lcrit Critical minimum output current
- curr2_lcrit_alarm Output current critical low alarm
- curr2_max Critical maximum output current
- curr2_max_alarm Output current critical max alarm
- power1_label "pout1"
- power1_input Measured output power
- power1_crit Critical maximum output power
- power1_crit_alarm Output power high alarm
- temp1_input Measured temperature
- temp1_crit Critical high temperature
- temp1_crit_alarm Chip temperature critical high alarm
- temp1_max Critical maximum temperature
- temp1_max_alarm Temperature critical max alarm
- temp2_input Measured temperature
- temp2_crit Critical high temperature
- temp2_crit_alarm Chip temperature critical high alarm
- temp2_max Critical maximum temperature
- temp2_max_alarm Temperature critical max alarm
- ================= ========================================
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