hwmon: (pmbus/ltc2978) Add support for LTM4676

The chip's programming interface is quite similar to LTC3880
and supports the same set of sensors.

Reviewed-by: Robert Coulson <rob.coulson@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

1 files changed, 11 insertions, 6 deletions

diff --git a/Documentation/hwmon/ltc2978 b/Documentation/hwmon/ltc2978
index a0546fc42273..686c078bb0e0 100644
--- a/Documentation/hwmon/ltc2978
+++ b/Documentation/hwmon/ltc2978
@@ -23,6 +23,10 @@ Supported chips:
     Prefix: 'ltc3883'
     Addresses scanned: -
     Datasheet: http://www.linear.com/product/ltc3883
+  * Linear Technology LTM4676
+    Prefix: 'ltm4676'
+    Addresses scanned: -
+    Datasheet: http://www.linear.com/product/ltm4676
 
 Author: Guenter Roeck <linux@roeck-us.net>
 
@@ -33,7 +37,8 @@ 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.
+step-down DC/DC controller. LTM4676 is a dual 13A or single 26A uModule
+regulator.
 
 
 Usage Notes
@@ -75,7 +80,7 @@ in[N]_label		"vout[1-8]".
                         LTC2974: N=2-5
                         LTC2977: N=2-9
                         LTC2978: N=2-9
-                        LTC3880: N=2-3
+                        LTC3880, LTM4676: N=2-3
                         LTC3883: N=2
 in[N]_input             Measured output voltage.
 in[N]_min               Minimum output voltage.
@@ -95,7 +100,7 @@ temp[N]_input		Measured temperature.
                         and temp5 reports the chip temperature.
                         On LTC2977 and LTC2978, only one temperature measurement
                         is supported and reports the chip temperature.
-                        On LTC3880, temp1 and temp2 report external
+                        On LTC3880 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.
@@ -123,11 +128,11 @@ power[N]_label		"pout[1-4]".
                         LTC2974: N=1-4
                         LTC2977: Not supported
                         LTC2978: Not supported
-                        LTC3880: N=1-2
+                        LTC3880, LTM4676: N=1-2
                         LTC3883: N=2
 power[N]_input          Measured output power.
 
-curr1_label             "iin". LTC3880 and LTC3883 only.
+curr1_label             "iin". LTC3880, LTC3883, and LTM4676 only.
 curr1_input             Measured input current.
 curr1_max               Maximum input current.
 curr1_max_alarm         Input current high alarm.
@@ -138,7 +143,7 @@ curr[N]_label		"iout[1-4]".
                         LTC2974: N=1-4
                         LTC2977: not supported
                         LTC2978: not supported
-                        LTC3880: N=2-3
+                        LTC3880, LTM4676: N=2-3
                         LTC3883: N=2
 curr[N]_input           Measured output current.
 curr[N]_max             Maximum output current.