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hwmon: (ltc2978) Add support for LTC3887

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LTC3887 is an enhanced version of LTC3880 and supports the same commands.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2015-08-07 09:06:37 -07:00
parent e8047a2686
commit 15398566f0
4 changed files with 29 additions and 13 deletions
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19
Documentation/hwmon/ltc2978
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@ -27,6 +27,10 @@ Supported chips:
Prefix: 'ltc3883'
Addresses scanned: -
Datasheet: http://www.linear.com/product/ltc3883
* Linear Technology LTC3887
Prefix: 'ltc3887'
Addresses scanned: -
Datasheet: http://www.linear.com/product/ltc3887
* Linear Technology LTM4676
Prefix: 'ltm4676'
Addresses scanned: -
@ -41,7 +45,8 @@ Description
LTC2974 is a quad digital power supply managers.
LTC2978 is an octal power supply monitor.
LTC2977 is a pin compatible replacement for LTC2978.
LTC3880 and LTC3882 are dual output poly-phase step-down DC/DC controllers.
LTC3880, LTC3882, and LTC3887 are dual output poly-phase step-down DC/DC
controllers.
LTC3883 is a single phase step-down DC/DC controller.
LTM4676 is a dual 13A or single 26A uModule regulator.
@ -85,7 +90,7 @@ in[N]_label "vout[1-8]".
LTC2974: N=2-5
LTC2977: N=2-9
LTC2978: N=2-9
LTC3880, LTC3882, LTM4676: N=2-3
LTC3880, LTC3882, LTC3887, LTM4676: N=2-3
LTC3883: N=2
in[N]_input Measured output voltage.
in[N]_min Minimum output voltage.
@ -105,8 +110,8 @@ 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, LTC3882, and LTM4676, temp1 and temp2
report external temperatures, and temp3 reports
On LTC3880, LTC3882, LTC3887, 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.
@ -134,11 +139,11 @@ power[N]_label "pout[1-4]".
LTC2974: N=1-4
LTC2977: Not supported
LTC2978: Not supported
LTC3880, LTC3882, LTM4676: N=1-2
LTC3880, LTC3882, LTC3887, 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, LTC3887, and LTM4676 only.
curr1_input Measured input current.
curr1_max Maximum input current.
curr1_max_alarm Input current high alarm.
@ -149,7 +154,7 @@ curr[N]_label "iout[1-4]".
LTC2974: N=1-4
LTC2977: not supported
LTC2978: not supported
LTC3880, LTC3882, LTM4676: N=2-3
LTC3880, LTC3882, LTC3887, LTM4676: N=2-3
LTC3883: N=2
curr[N]_input Measured output current.
curr[N]_max Maximum output current.