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| author | Guenter Roeck <linux@roeck-us.net> | 2014-03-05 21:23:01 -0800 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2014-03-19 18:59:40 -0700 |
| commit | f76992b00a4111fc4679b0b2d49fe75f05c2b04d (patch) | |
| tree | dd188d5108dfee2f8f525833bb359b8d9b8b1c8c /Documentation/hwmon/ltc2978 | |
| parent | a2e151074366487dcde943fdc08d88acfe476f9d (diff) | |
| download | talos-obmc-linux-f76992b00a4111fc4679b0b2d49fe75f05c2b04d.tar.gz talos-obmc-linux-f76992b00a4111fc4679b0b2d49fe75f05c2b04d.zip | |
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>
Diffstat (limited to 'Documentation/hwmon/ltc2978')
| -rw-r--r-- | Documentation/hwmon/ltc2978 | 17 |
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. |
