diff options
Diffstat (limited to 'Documentation/hwmon/ltc2978')
| -rw-r--r-- | Documentation/hwmon/ltc2978 | 49 |
1 files changed, 36 insertions, 13 deletions
diff --git a/Documentation/hwmon/ltc2978 b/Documentation/hwmon/ltc2978 index 7e982884e359..158355398798 100644 --- a/Documentation/hwmon/ltc2978 +++ b/Documentation/hwmon/ltc2978 @@ -19,6 +19,10 @@ 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: - @@ -35,6 +39,10 @@ Supported chips: 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 LTM4676 Prefix: 'ltm4676' Addresses scanned: - @@ -49,9 +57,15 @@ Description 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, 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. LTM4676 is a dual 13A or single 26A uModule regulator. @@ -75,24 +89,29 @@ in1_label "vin" in1_input Measured input voltage. in1_min Minimum input voltage. in1_max Maximum input voltage. - LTC2974, LTC2975, LTC2977, and LTC2978 only. + LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and + LTM2987 only. in1_lcrit Critical minimum input voltage. - LTC2974, LTC2975, 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, LTC2975, LTC2977, and LTC2978 only. + LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and + LTM2987 only. in1_lcrit_alarm Input voltage critical low alarm. - LTC2974, LTC2975, 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, LTC2975, 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, LTC2975: N=2-5 - LTC2977: N=2-9 + LTC2977, LTC2980, LTM2987: N=2-9 LTC2978: N=2-9 LTC3880, LTC3882, LTC3887, LTM4676: N=2-3 LTC3883: N=2 @@ -113,24 +132,28 @@ in[N]_reset_history Reset output voltage history. temp[N]_input Measured temperature. On LTC2974 and LTC2975, 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 LTC2977, LTC2980, LTC2978, and LTM2987, only one + temperature measurement is supported and reports + the chip temperature. 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. -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, LTC2975, 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, LTC2975, LTC2977, and LTC2978 only. + 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 @@ -143,7 +166,7 @@ power1_input Measured input power. power[N]_label "pout[1-4]". LTC2974, LTC2975: N=1-4 - LTC2977: Not supported + LTC2977, LTC2980, LTM2987: Not supported LTC2978: Not supported LTC3880, LTC3882, LTC3887, LTM4676: N=1-2 LTC3883: N=2 @@ -158,7 +181,7 @@ curr1_reset_history Reset input current history. LTC3883 only. curr[N]_label "iout[1-4]". LTC2974, LTC2975: N=1-4 - LTC2977: not supported + LTC2977, LTC2980, LTM2987: not supported LTC2978: not supported LTC3880, LTC3882, LTC3887, LTM4676: N=2-3 LTC3883: N=2 |