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authorMaxim Sloyko <maxims@google.com>2019-04-16 01:28:07 +0300
committerGuenter Roeck <linux@roeck-us.net>2019-04-16 03:19:53 +0300
commit038a9c3d1e42420943c60f879fdb00b62f207f9c (patch)
treed7f5e84bd3bbb79c8038f2ac47f445281415b062 /Documentation/hwmon
parent991d679951f0df27db170036080746b84115e1e7 (diff)
downloadlinux-038a9c3d1e42420943c60f879fdb00b62f207f9c.tar.xz
hwmon: (pmbus/isl68137) Add driver for Intersil ISL68137 PWM Controller
Intersil ISL68137 is a digital output 7-phase configurable PWM controller with an AVSBus interface. Signed-off-by: Maxim Sloyko <maxims@google.com> Signed-off-by: Robert Lippert <rlippert@google.com> Signed-off-by: Patrick Venture <venture@google.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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+Kernel driver isl68137
+======================
+
+Supported chips:
+ * Intersil ISL68137
+ Prefix: 'isl68137'
+ Addresses scanned: -
+ Datasheet: Publicly available at the Intersil website
+ https://www.intersil.com/content/dam/Intersil/documents/isl6/isl68137.pdf
+
+Authors:
+ Maxim Sloyko <maxims@google.com>
+ Robert Lippert <rlippert@google.com>
+ Patrick Venture <venture@google.com>
+
+Description
+-----------
+
+Intersil ISL68137 is a digital output 7-phase configurable PWM
+controller with an AVSBus interface.
+
+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.
+
+Additional 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