From 2138f8853a00b2d680889a684e92556074fcf901 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Sat, 14 Dec 2019 06:37:31 -0800 Subject: hwmon: (pmbus) Driver for Maxim MAX16601 MAX16601 is a VR13.HC Dual-Output Voltage Regulator Chipset, implementing a (8+1) multiphase synchronous buck converter. Cc: Alex Qiu Signed-off-by: Guenter Roeck --- Documentation/hwmon/index.rst | 1 + Documentation/hwmon/max16601.rst | 159 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 160 insertions(+) create mode 100644 Documentation/hwmon/max16601.rst (limited to 'Documentation/hwmon') diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst index 8ef62fd39787..df87ae15a1d4 100644 --- a/Documentation/hwmon/index.rst +++ b/Documentation/hwmon/index.rst @@ -106,6 +106,7 @@ Hardware Monitoring Kernel Drivers max16064 max16065 max1619 + max16601 max1668 max197 max20730 diff --git a/Documentation/hwmon/max16601.rst b/Documentation/hwmon/max16601.rst new file mode 100644 index 000000000000..346e74674c51 --- /dev/null +++ b/Documentation/hwmon/max16601.rst @@ -0,0 +1,159 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Kernel driver max16601 +====================== + +Supported chips: + + * Maxim MAX16601 + + Prefix: 'max16601' + + Addresses scanned: - + + Datasheet: Not published + +Author: Guenter Roeck + + +Description +----------- + +This driver supports the MAX16601 VR13.HC Dual-Output Voltage Regulator +Chipset. + +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_label "vin1" +in1_input VCORE input voltage. +in1_alarm Input voltage alarm. + +in2_label "vout1" +in2_input VCORE output voltage. +in2_alarm Output voltage alarm. + +curr1_label "iin1" +curr1_input VCORE input current, derived from duty cycle and output + current. +curr1_max Maximum input current. +curr1_max_alarm Current high alarm. + +curr2_label "iin1.0" +curr2_input VCORE phase 0 input current. + +curr3_label "iin1.1" +curr3_input VCORE phase 1 input current. + +curr4_label "iin1.2" +curr4_input VCORE phase 2 input current. + +curr5_label "iin1.3" +curr5_input VCORE phase 3 input current. + +curr6_label "iin1.4" +curr6_input VCORE phase 4 input current. + +curr7_label "iin1.5" +curr7_input VCORE phase 5 input current. + +curr8_label "iin1.6" +curr8_input VCORE phase 6 input current. + +curr9_label "iin1.7" +curr9_input VCORE phase 7 input current. + +curr10_label "iin2" +curr10_input VCORE input current, derived from sensor element. + +curr11_label "iin3" +curr11_input VSA input current. + +curr12_label "iout1" +curr12_input VCORE output current. +curr12_crit Critical output current. +curr12_crit_alarm Output current critical alarm. +curr12_max Maximum output current. +curr12_max_alarm Output current high alarm. + +curr13_label "iout1.0" +curr13_input VCORE phase 0 output current. + +curr14_label "iout1.1" +curr14_input VCORE phase 1 output current. + +curr15_label "iout1.2" +curr15_input VCORE phase 2 output current. + +curr16_label "iout1.3" +curr16_input VCORE phase 3 output current. + +curr17_label "iout1.4" +curr17_input VCORE phase 4 output current. + +curr18_label "iout1.5" +curr18_input VCORE phase 5 output current. + +curr19_label "iout1.6" +curr19_input VCORE phase 6 output current. + +curr20_label "iout1.7" +curr20_input VCORE phase 7 output current. + +curr21_label "iout3" +curr21_input VSA output current. +curr21_highest Historical maximum VSA output current. +curr21_reset_history Write any value to reset curr21_highest. +curr21_crit Critical output current. +curr21_crit_alarm Output current critical alarm. +curr21_max Maximum output current. +curr21_max_alarm Output current high alarm. + +power1_label "pin1" +power1_input Input power, derived from duty cycle and output current. +power1_alarm Input power alarm. + +power2_label "pin2" +power2_input Input power, derived from input current sensor. + +power3_label "pout" +power3_input Output power. + +temp1_input VCORE temperature. +temp1_crit Critical high temperature. +temp1_crit_alarm Chip temperature critical high alarm. +temp1_max Maximum temperature. +temp1_max_alarm Chip temperature high alarm. + +temp2_input TSENSE_0 temperature +temp3_input TSENSE_1 temperature +temp4_input TSENSE_2 temperature +temp5_input TSENSE_3 temperature + +temp6_input VSA temperature. +temp6_crit Critical high temperature. +temp6_crit_alarm Chip temperature critical high alarm. +temp6_max Maximum temperature. +temp6_max_alarm Chip temperature high alarm. +======================= ======================================================= -- cgit v1.2.3-59-g8ed1b