These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / Documentation / hwmon / ltc2978
index 686c078..9a49d3c 100644 (file)
@@ -6,6 +6,10 @@ Supported chips:
     Prefix: 'ltc2974'
     Addresses scanned: -
     Datasheet: http://www.linear.com/product/ltc2974
+  * Linear Technology LTC2975
+    Prefix: 'ltc2975'
+    Addresses scanned: -
+    Datasheet: http://www.linear.com/product/ltc2975
   * Linear Technology LTC2977
     Prefix: 'ltc2977'
     Addresses scanned: -
@@ -15,14 +19,38 @@ Supported chips:
     Addresses scanned: -
     Datasheet: http://www.linear.com/product/ltc2978
               http://www.linear.com/product/ltc2978a
+  * Linear Technology LTC2980
+    Prefix: 'ltc2980'
+    Addresses scanned: -
+    Datasheet: http://www.linear.com/product/ltc2980
   * Linear Technology LTC3880
     Prefix: 'ltc3880'
     Addresses scanned: -
     Datasheet: http://www.linear.com/product/ltc3880
+  * Linear Technology LTC3882
+    Prefix: 'ltc3882'
+    Addresses scanned: -
+    Datasheet: http://www.linear.com/product/ltc3882
   * Linear Technology LTC3883
     Prefix: 'ltc3883'
     Addresses scanned: -
     Datasheet: http://www.linear.com/product/ltc3883
+  * Linear Technology LTC3886
+    Prefix: 'ltc3886'
+    Addresses scanned: -
+    Datasheet: http://www.linear.com/product/ltc3886
+  * Linear Technology LTC3887
+    Prefix: 'ltc3887'
+    Addresses scanned: -
+    Datasheet: http://www.linear.com/product/ltc3887
+  * Linear Technology LTM2987
+    Prefix: 'ltm2987'
+    Addresses scanned: -
+    Datasheet: http://www.linear.com/product/ltm2987
+  * Linear Technology LTM4675
+    Prefix: 'ltm4675'
+    Addresses scanned: -
+    Datasheet: http://www.linear.com/product/ltm4675
   * Linear Technology LTM4676
     Prefix: 'ltm4676'
     Addresses scanned: -
@@ -34,11 +62,20 @@ Author: Guenter Roeck <linux@roeck-us.net>
 Description
 -----------
 
-LTC2974 is a quad digital power supply manager. LTC2978 is an octal power supply
-monitor. LTC2977 is a pin compatible replacement for LTC2978. LTC3880 is a dual
-output poly-phase step-down DC/DC controller. LTC3883 is a single phase
-step-down DC/DC controller. LTM4676 is a dual 13A or single 26A uModule
-regulator.
+LTC2974 and LTC2975 are quad digital power supply managers.
+LTC2978 is an octal power supply monitor.
+LTC2977 is a pin compatible replacement for LTC2978.
+LTC2980 is a 16-channel Power System Manager, consisting of two LTC2977
+in a single die. The chip is instantiated and reported as two separate chips
+on two different I2C bus addresses.
+LTC3880, LTC3882, LTC3886, and LTC3887 are dual output poly-phase step-down
+DC/DC controllers.
+LTC3883 is a single phase step-down DC/DC controller.
+LTM2987 is a 16-channel Power System Manager with two LTC2977 plus
+additional components on a single die. The chip is instantiated and reported
+as two separate chips on two different I2C bus addresses.
+LTM4675 is a dual 9A or single 18A μModule regulator
+LTM4676 is a dual 13A or single 26A uModule regulator.
 
 
 Usage Notes
@@ -61,26 +98,32 @@ in1_label           "vin"
 in1_input              Measured input voltage.
 in1_min                        Minimum input voltage.
 in1_max                        Maximum input voltage.
-                       LTC2974, LTC2977, and LTC2978 only.
+                       LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and
+                       LTM2987 only.
 in1_lcrit              Critical minimum input voltage.
-                       LTC2974, LTC2977, and LTC2978 only.
+                       LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and
+                       LTM2987 only.
 in1_crit               Critical maximum input voltage.
 in1_min_alarm          Input voltage low alarm.
 in1_max_alarm          Input voltage high alarm.
-                       LTC2974, LTC2977, and LTC2978 only.
+                       LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and
+                       LTM2987 only.
 in1_lcrit_alarm                Input voltage critical low alarm.
-                       LTC2974, LTC2977, and LTC2978 only.
+                       LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and
+                       LTM2987 only.
 in1_crit_alarm         Input voltage critical high alarm.
 in1_lowest             Lowest input voltage.
-                       LTC2974, LTC2977, and LTC2978 only.
+                       LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and
+                       LTM2987 only.
 in1_highest            Highest input voltage.
 in1_reset_history      Reset input voltage history.
 
 in[N]_label            "vout[1-8]".
-                       LTC2974: N=2-5
-                       LTC2977: N=2-9
+                       LTC2974, LTC2975: N=2-5
+                       LTC2977, LTC2980, LTM2987: N=2-9
                        LTC2978: N=2-9
-                       LTC3880, LTM4676: N=2-3
+                       LTC3880, LTC3882, LTC23886 LTC3887, LTM4675, LTM4676:
+                               N=2-3
                        LTC3883: N=2
 in[N]_input            Measured output voltage.
 in[N]_min              Minimum output voltage.
@@ -91,67 +134,78 @@ in[N]_min_alarm            Output voltage low alarm.
 in[N]_max_alarm                Output voltage high alarm.
 in[N]_lcrit_alarm      Output voltage critical low alarm.
 in[N]_crit_alarm       Output voltage critical high alarm.
-in[N]_lowest           Lowest output voltage. LTC2974 and LTC2978 only.
+in[N]_lowest           Lowest output voltage. LTC2974, LTC2975,
+                       and LTC2978 only.
 in[N]_highest          Highest output voltage.
 in[N]_reset_history    Reset output voltage history.
 
 temp[N]_input          Measured temperature.
-                       On LTC2974, temp[1-4] report external temperatures,
-                       and temp5 reports the chip temperature.
-                       On LTC2977 and LTC2978, only one temperature measurement
-                       is supported and reports the chip temperature.
-                       On LTC3880 and LTM4676, temp1 and temp2 report external
-                       temperatures, and temp3 reports the chip temperature.
+                       On LTC2974 and LTC2975, temp[1-4] report external
+                       temperatures, and temp5 reports the chip temperature.
+                       On LTC2977, LTC2980, LTC2978, and LTM2987, only one
+                       temperature measurement is supported and reports
+                       the chip temperature.
+                       On LTC3880, LTC3882, LTC3887, LTM4675, and LTM4676,
+                       temp1 and temp2 report external temperatures, and temp3
+                       reports the chip temperature.
                        On LTC3883, temp1 reports an external temperature,
                        and temp2 reports the chip temperature.
-temp[N]_min            Mimimum temperature. LTC2974, LCT2977, and LTC2978 only.
+temp[N]_min            Mimimum temperature. LTC2974, LCT2977, LTM2980, LTC2978,
+                       and LTM2987 only.
 temp[N]_max            Maximum temperature.
 temp[N]_lcrit          Critical low temperature.
 temp[N]_crit           Critical high temperature.
 temp[N]_min_alarm      Temperature low alarm.
-                       LTC2974, LTC2977, and LTC2978 only.
+                       LTC2974, LTC2975, LTC2977, LTM2980, LTC2978, and
+                       LTM2987 only.
 temp[N]_max_alarm      Temperature high alarm.
 temp[N]_lcrit_alarm    Temperature critical low alarm.
 temp[N]_crit_alarm     Temperature critical high alarm.
 temp[N]_lowest         Lowest measured temperature.
-                       LTC2974, LTC2977, and LTC2978 only.
-                       Not supported for chip temperature sensor on LTC2974.
+                       LTC2974, LTC2975, LTC2977, LTM2980, LTC2978, and
+                       LTM2987 only.
+                       Not supported for chip temperature sensor on LTC2974 and
+                       LTC2975.
 temp[N]_highest                Highest measured temperature. Not supported for chip
-                       temperature sensor on LTC2974.
+                       temperature sensor on LTC2974 and LTC2975.
 temp[N]_reset_history  Reset temperature history. Not supported for chip
-                       temperature sensor on LTC2974.
+                       temperature sensor on LTC2974 and LTC2975.
 
-power1_label           "pin". LTC3883 only.
+power1_label           "pin". LTC3883 and LTC3886 only.
 power1_input           Measured input power.
 
 power[N]_label         "pout[1-4]".
-                       LTC2974: N=1-4
-                       LTC2977: Not supported
+                       LTC2974, LTC2975: N=1-4
+                       LTC2977, LTC2980, LTM2987: Not supported
                        LTC2978: Not supported
-                       LTC3880, LTM4676: N=1-2
+                       LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676:
+                               N=1-2
                        LTC3883: N=2
 power[N]_input         Measured output power.
 
-curr1_label            "iin". LTC3880, LTC3883, and LTM4676 only.
+curr1_label            "iin". LTC3880, LTC3883, LTC3886, LTC3887, LTM4675,
+                       and LTM4676 only.
 curr1_input            Measured input current.
 curr1_max              Maximum input current.
 curr1_max_alarm                Input current high alarm.
-curr1_highest          Highest input current. LTC3883 only.
-curr1_reset_history    Reset input current history. LTC3883 only.
+curr1_highest          Highest input current. LTC3883 and LTC3886 only.
+curr1_reset_history    Reset input current history. LTC3883 and LTC3886 only.
 
 curr[N]_label          "iout[1-4]".
-                       LTC2974: N=1-4
-                       LTC2977: not supported
+                       LTC2974, LTC2975: N=1-4
+                       LTC2977, LTC2980, LTM2987: not supported
                        LTC2978: not supported
-                       LTC3880, LTM4676: N=2-3
+                       LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676:
+                               N=2-3
                        LTC3883: N=2
 curr[N]_input          Measured output current.
 curr[N]_max            Maximum output current.
 curr[N]_crit           Critical high output current.
-curr[N]_lcrit          Critical low output current. LTC2974 only.
+curr[N]_lcrit          Critical low output current. LTC2974 and LTC2975 only.
 curr[N]_max_alarm      Output current high alarm.
 curr[N]_crit_alarm     Output current critical high alarm.
-curr[N]_lcrit_alarm    Output current critical low alarm. LTC2974 only.
-curr[N]_lowest         Lowest output current. LTC2974 only.
+curr[N]_lcrit_alarm    Output current critical low alarm.
+                       LTC2974 and LTC2975 only.
+curr[N]_lowest         Lowest output current. LTC2974 and LTC2975 only.
 curr[N]_highest                Highest output current.
 curr[N]_reset_history  Reset output current history.