Kernel driver isl68137
======================
Supported chips:
* Renesas ISL68137
Prefix: 'isl68137'
Addresses scanned: -
Datasheet:
Publicly available at the Renesas website
https://www.renesas.com/us/en/www/doc/datasheet/isl68137.pdf
* Renesas ISL68220
Prefix: 'isl68220'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL68221
Prefix: 'isl68221'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL68222
Prefix: 'isl68222'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL68223
Prefix: 'isl68223'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL68224
Prefix: 'isl68224'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL68225
Prefix: 'isl68225'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL68226
Prefix: 'isl68226'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL68227
Prefix: 'isl68227'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL68229
Prefix: 'isl68229'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL68233
Prefix: 'isl68233'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL68239
Prefix: 'isl68239'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69222
Prefix: 'isl69222'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69223
Prefix: 'isl69223'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69224
Prefix: 'isl69224'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69225
Prefix: 'isl69225'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69227
Prefix: 'isl69227'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69228
Prefix: 'isl69228'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69234
Prefix: 'isl69234'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69236
Prefix: 'isl69236'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69239
Prefix: 'isl69239'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69242
Prefix: 'isl69242'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69243
Prefix: 'isl69243'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69247
Prefix: 'isl69247'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69248
Prefix: 'isl69248'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69254
Prefix: 'isl69254'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69255
Prefix: 'isl69255'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69256
Prefix: 'isl69256'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69259
Prefix: 'isl69259'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69260
Prefix: 'isl69260'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69268
Prefix: 'isl69268'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69269
Prefix: 'isl69269'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas ISL69298
Prefix: 'isl69298'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas RAA228000
Prefix: 'raa228000'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas RAA228004
Prefix: 'raa228004'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas RAA228006
Prefix: 'raa228006'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas RAA228228
Prefix: 'raa228228'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas RAA229001
Prefix: 'raa229001'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
* Renesas RAA229004
Prefix: 'raa229004'
Addresses scanned: -
Datasheet:
Publicly available (after August 2020 launch) at the Renesas website
Authors:
- Maxim Sloyko <maxims@google.com>
- Robert Lippert <rlippert@google.com>
- Patrick Venture <venture@google.com>
- Grant Peltier <grant.peltier.jg@renesas.com>
Description
-----------
This driver supports the Renesas ISL68137 and all 2nd generation Renesas
digital multiphase voltage regulators (raa_dmpvr2). The ISL68137 is a digital
output 7-phase configurable PWM controller with an AVSBus interface. 2nd
generation devices are grouped into 4 distinct configurations: '1rail' for
single-rail devices, '2rail' for dual-rail devices, '3rail' for 3-rail devices,
and 'hv' for high voltage single-rail devices. Consult the individual datasheets
for more information.
Usage Notes
-----------
This driver does not probe for PMBus devices. You will have to instantiate
devices explicitly.
The ISL68137 AVS operation mode must be enabled/disabled at runtime.
Beyond the normal sysfs pmbus attributes, the driver exposes a control attribute
for the ISL68137.
For 2nd generation Renesas digital multiphase voltage regulators, only the
normal sysfs pmbus attributes are supported.
ISL68137 sysfs attributes
-------------------------
======================= ====================================
avs(0|1)_enable Controls the AVS state of each rail.
curr1_label "iin"
curr1_input Measured input current
curr1_crit Critical maximum current
curr1_crit_alarm Current critical high alarm
curr[2-3]_label "iout[1-2]"
curr[2-3]_input Measured output current
curr[2-3]_crit Critical maximum current
curr[2-3]_crit_alarm Current critical high alarm
in1_label "vin"
in1_input Measured input voltage
in1_lcrit Critical minimum input voltage
in1_lcrit_alarm Input voltage critical low alarm
in1_crit Critical maximum input voltage
in1_crit_alarm Input voltage critical high alarm
in[2-3]_label "vout[1-2]"
in[2-3]_input Measured output voltage
in[2-3]_lcrit Critical minimum output voltage
in[2-3]_lcrit_alarm Output voltage critical low alarm
in[2-3]_crit Critical maximum output voltage
in[2-3]_crit_alarm Output voltage critical high alarm
power1_label "pin"
power1_input Measured input power
power1_alarm Input power high alarm
power[2-3]_label "pout[1-2]"
power[2-3]_input Measured output power
temp[1-3]_input Measured temperature
temp[1-3]_crit Critical high temperature
temp[1-3]_crit_alarm Chip temperature critical high alarm
temp[1-3]_max Maximum temperature
temp[1-3]_max_alarm Chip temperature high alarm
======================= ====================================
raa_dmpvr2_1rail/hv sysfs attributes
------------------------------------
======================= ==========================================
curr1_label "iin"
curr1_input Measured input current
curr1_crit Critical maximum current
curr1_crit_alarm Current critical high alarm
curr2_label "iout"
curr2_input Measured output current
curr2_crit Critical maximum current
curr2_crit_alarm Current critical high alarm
in1_label "vin"
in1_input Measured input voltage
in1_lcrit Critical minimum input voltage
in1_lcrit_alarm Input voltage critical low alarm
in1_crit Critical maximum input voltage
in1_crit_alarm Input voltage critical high alarm
in2_label "vmon"
in2_input Scaled VMON voltage read from the VMON pin
in3_label "vout"
in3_input Measured output voltage
in3_lcrit Critical minimum output voltage
in3_lcrit_alarm Output voltage critical low alarm
in3_crit Critical maximum output voltage
in3_crit_alarm Output voltage critical high alarm
power1_label "pin"
power1_input Measured input power
power1_alarm Input power high alarm
power2_label "pout"
power2_input Measured output power
temp[1-3]_input Measured temperature
temp[1-3]_crit Critical high temperature
temp[1-3]_crit_alarm Chip temperature critical high alarm
temp[1-3]_max Maximum temperature
temp[1-3]_max_alarm Chip temperature high alarm
======================= ==========================================
raa_dmpvr2_2rail sysfs attributes
---------------------------------
======================= ==========================================
curr[1-2]_label "iin[1-2]"
curr[1-2]_input Measured input current
curr[1-2]_crit Critical maximum current
curr[1-2]_crit_alarm Current critical high alarm
curr[3-4]_label "iout[1-2]"
curr[3-4]_input Measured output current
curr[3-4]_crit Critical maximum current
curr[3-4]_crit_alarm Current critical high alarm
in1_label "vin"
in1_input Measured input voltage
in1_lcrit Critical minimum input voltage
in1_lcrit_alarm Input voltage critical low alarm
in1_crit Critical maximum input voltage
in1_crit_alarm Input voltage critical high alarm
in2_label "vmon"
in2_input Scaled VMON voltage read from the VMON pin
in[3-4]_label "vout[1-2]"
in[3-4]_input Measured output voltage
in[3-4]_lcrit Critical minimum output voltage
in[3-4]_lcrit_alarm Output voltage critical low alarm
in[3-4]_crit Critical maximum output voltage
in[3-4]_crit_alarm Output voltage critical high alarm
power[1-2]_label "pin[1-2]"
power[1-2]_input Measured input power
power[1-2]_alarm Input power high alarm
power[3-4]_label "pout[1-2]"
power[3-4]_input Measured output power
temp[1-5]_input Measured temperature
temp[1-5]_crit Critical high temperature
temp[1-5]_crit_alarm Chip temperature critical high alarm
temp[1-5]_max Maximum temperature
temp[1-5]_max_alarm Chip temperature high alarm
======================= ==========================================
raa_dmpvr2_3rail sysfs attributes
---------------------------------
======================= ==========================================
curr[1-3]_label "iin[1-3]"
curr[1-3]_input Measured input current
curr[1-3]_crit Critical maximum current
curr[1-3]_crit_alarm Current critical high alarm
curr[4-6]_label "iout[1-3]"
curr[4-6]_input Measured output current
curr[4-6]_crit Critical maximum current
curr[4-6]_crit_alarm Current critical high alarm
in1_label "vin"
in1_input Measured input voltage
in1_lcrit Critical minimum input voltage
in1_lcrit_alarm Input voltage critical low alarm
in1_crit Critical maximum input voltage
in1_crit_alarm Input voltage critical high alarm
in2_label "vmon"
in2_input Scaled VMON voltage read from the VMON pin
in[3-5]_label "vout[1-3]"
in[3-5]_input Measured output voltage
in[3-5]_lcrit Critical minimum output voltage
in[3-5]_lcrit_alarm Output voltage critical low alarm
in[3-5]_crit Critical maximum output voltage
in[3-5]_crit_alarm Output voltage critical high alarm
power[1-3]_label "pin[1-3]"
power[1-3]_input Measured input power
power[1-3]_alarm Input power high alarm
power[4-6]_label "pout[1-3]"
power[4-6]_input Measured output power
temp[1-7]_input Measured temperature
temp[1-7]_crit Critical high temperature
temp[1-7]_crit_alarm Chip temperature critical high alarm
temp[1-7]_max Maximum temperature
temp[1-7]_max_alarm Chip temperature high alarm
======================= ==========================================