From: Atif Ofluoglu <atif.ofluoglu@xxxxxxxxxx> Signed-off-by: Atif Ofluoglu <atif.ofluoglu@xxxxxxxxxx> --- Documentation/hwmon/max20754.rst | 122 +++++++++++++++++++++++++++++++ 1 file changed, 122 insertions(+) create mode 100644 Documentation/hwmon/max20754.rst diff --git a/Documentation/hwmon/max20754.rst b/Documentation/hwmon/max20754.rst new file mode 100644 index 000000000000..30cb1356cabf --- /dev/null +++ b/Documentation/hwmon/max20754.rst @@ -0,0 +1,122 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Kernel driver MAX20754 +====================== + +Supported chips: + + * Maxim MAX20754 + + Prefix: 'max20754' + + Addresses scanned: - + + Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX20754.pdf + Application Note: + +Author: Atif Emre Ofluoglu <Atif.Ofluoglu@xxxxxxxxxx> + + +Description +----------- + +This driver supports MAX20754 Dual-Output, Configurable Multiphase +Power-Supply Controller with PMBus Interface and Internal Buck Converter. + +The driver is a client driver to the core PMBus driver. +Please see Documentation/hwmon/pmbus.rst for details on PMBus client drivers. + + +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 entries +------------- + +The following attributes are supported. + +=============================== =============================================== +in1_input Measured voltage on Supply Voltage. +in1_label "vin1" +in1_alarm Input voltage under-voltage alarm + +in2_label "vout1" +in2_input Measured voltage on RAIL1. +in2_min Minimum output voltage. +in2_max Maximum output voltage. +in2_lcrit Critical minimum output voltage. +in2_crit Critical maximum output voltage. +in2_lcrit_alarm Output voltage critical low alarm. +in2_crit_alarm Output voltage critical high alarm. +in2_min_alarm Output voltage low alarm. +in2_max_alarm Output voltage high alarm. +in2_rated_max Maximum rated output voltage +in2_rated_min Minimum rated output voltage + +in3_label "vout2" +in3_input Measured voltage on RAIL2. +in3_min Minimum output voltage. +in3_max Maximum output voltage. +in3_lcrit Critical minimum output voltage. +in3_crit Critical maximum output voltage. +in3_lcrit_alarm Output voltage critical low alarm. +in3_crit_alarm Output voltage critical high alarm. +in3_min_alarm Output voltage low alarm. +in3_max_alarm Output voltage high alarm. +in3_rated_max Maximum rated output voltage +in3_rated_min Minimum rated output voltage + +curr1_input Measured output current on RAIL1. +curr1_label "iout1" +curr1_max Maximum output current. +curr1_max_alarm Output current high alarm. +curr1_crit Critical maximum current +curr1_crit_alarm Current critical high alarm + +curr2_input Measured output current on RAIL2. +curr2_label "iout2" +curr2_max Maximum output current. +curr2_max_alarm Output current high alarm. +curr2_crit Critical maximum current +curr2_crit_alarm Current critical high alarm + +temp1_input Measured Temperature value of Die Core +temp1_crit Maximum Temperature value of Die Core +temp1_crit_alarm Maximum Temperature Alarm of Die Core +temp1_max Over Temperature Warning value of Die Core +temp1_max_alarm Over Temperature Warning value of Die Core +temp1_min Under Temperature value of Die Core +temp1_min_alarm Under Temperature Alarm of Die Core + +temp1_input Measured Temperature value of Temperature Sense 1 +temp1_crit Maximum Temperature value of Temperature Sense 1 +temp1_crit_alarm Maximum Temperature Alarm of Temperature Sense 1 +temp1_max Over Temperature Warning value of Temperature Sense 1 +temp1_max_alarm Over Temperature Warning value of Temperature Sense 1 +temp1_min Under Temperature value of Temperature Sense 1 +temp1_min_alarm Under Temperature Alarm of Temperature Sense 1 + +temp1_input Measured Temperature value of Temperature Sense 1 +temp1_crit Maximum Temperature value of Temperature Sense 1 +temp1_crit_alarm Maximum Temperature Alarm of Temperature Sense 1 +temp1_max Over Temperature Warning value ofTemperature Sense 1 +temp1_max_alarm Over Temperature Warning Temperature Sense 1 +temp1_min Under Temperature value of Temperature Sense 1 +temp1_min_alarm Under Temperature Alarm of Temperature Sense 1 + +vout1_command Determine Voltage read format of RAIL1 +vout2_command Determine Voltage read format of RAIL2 + +on_off_config Configures Power On/Off behavior. +operation Configures Power Supply Operation Mode. \ No newline at end of file -- 2.25.1