Loading Documentation/hwmon/adm1275 +26 −0 Original line number Diff line number Diff line Loading @@ -2,29 +2,53 @@ Kernel driver adm1275 ===================== Supported chips: * Analog Devices ADM1075 Prefix: 'adm1075' Addresses scanned: - Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1075.pdf * Analog Devices ADM1272 Prefix: 'adm1272' Addresses scanned: - Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1272.pdf * Analog Devices ADM1275 Prefix: 'adm1275' Addresses scanned: - Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1275.pdf * Analog Devices ADM1276 Prefix: 'adm1276' Addresses scanned: - Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1276.pdf * Analog Devices ADM1278 Prefix: 'adm1278' Addresses scanned: - Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1278.pdf * Analog Devices ADM1293/ADM1294 Prefix: 'adm1293', 'adm1294' Addresses scanned: - Datasheet: http://www.analog.com/media/en/technical-documentation/data-sheets/ADM1293_1294.pdf Author: Guenter Roeck <linux@roeck-us.net> Loading Loading @@ -75,6 +99,7 @@ Sysfs entries The following attributes are supported. Limits are read-write, history reset attributes are write-only, all other attributes are read-only. ======================= ======================================================= inX_label "vin1" or "vout1" depending on chip variant and configuration. On ADM1075, ADM1293, and ADM1294, vout1 reports the voltage on the VAUX pin. Loading Loading @@ -120,3 +145,4 @@ temp1_reset_history Write any value to reset history. Temperature attributes are supported on ADM1272 and ADM1278. ======================= ======================================================= Documentation/hwmon/ibm-cffps +3 −0 Original line number Diff line number Diff line Loading @@ -2,6 +2,7 @@ Kernel driver ibm-cffps ======================= Supported chips: * IBM Common Form Factor power supply Author: Eddie James <eajames@us.ibm.com> Loading @@ -24,6 +25,7 @@ Sysfs entries The following attributes are supported: ======================= ====================================================== curr1_alarm Output current over-current alarm. curr1_input Measured output current in mA. curr1_label "iout1" Loading Loading @@ -52,3 +54,4 @@ temp2_alarm Secondary rectifier temp over-temperature alarm. temp2_input Measured secondary rectifier temp in millidegrees C. temp3_alarm ORing FET temperature over-temperature alarm. temp3_input Measured ORing FET temperature in millidegrees C. ======================= ====================================================== Documentation/hwmon/ir35221 +8 −3 Original line number Diff line number Diff line Loading @@ -3,8 +3,11 @@ Kernel driver ir35221 Supported chips: * Infineon IR35221 Prefix: 'ir35221' Addresses scanned: - Datasheet: Datasheet is not publicly available. Author: Samuel Mendoza-Jonas <sam@mendozajonas.com> Loading @@ -23,7 +26,7 @@ This driver does not probe for PMBus devices. You will have to instantiate devices explicitly. Example: the following commands will load the driver for an IR35221 at address 0x70 on I2C bus #4: at address 0x70 on I2C bus #4:: # modprobe ir35221 # echo ir35221 0x70 > /sys/bus/i2c/devices/i2c-4/new_device Loading @@ -32,6 +35,7 @@ at address 0x70 on I2C bus #4: Sysfs attributes ---------------- ======================= ======================================================= curr1_label "iin" curr1_input Measured input current curr1_max Maximum current Loading Loading @@ -85,3 +89,4 @@ temp[1-2]_highest Highest temperature temp[1-2]_lowest Lowest temperature temp[1-2]_max Maximum temperature temp[1-2]_max_alarm Chip temperature high alarm ======================= ======================================================= Documentation/hwmon/lm25066 +30 −0 Original line number Diff line number Diff line Loading @@ -2,34 +2,62 @@ Kernel driver lm25066 ===================== Supported chips: * TI LM25056 Prefix: 'lm25056' Addresses scanned: - Datasheets: http://www.ti.com/lit/gpn/lm25056 http://www.ti.com/lit/gpn/lm25056a * National Semiconductor LM25066 Prefix: 'lm25066' Addresses scanned: - Datasheets: http://www.national.com/pf/LM/LM25066.html http://www.national.com/pf/LM/LM25066A.html * National Semiconductor LM5064 Prefix: 'lm5064' Addresses scanned: - Datasheet: http://www.national.com/pf/LM/LM5064.html * National Semiconductor LM5066 Prefix: 'lm5066' Addresses scanned: - Datasheet: http://www.national.com/pf/LM/LM5066.html * Texas Instruments LM5066I Prefix: 'lm5066i' Addresses scanned: - Datasheet: http://www.ti.com/product/LM5066I Author: Guenter Roeck <linux@roeck-us.net> Loading Loading @@ -64,6 +92,7 @@ Sysfs entries The following attributes are supported. Limits are read-write; all other attributes are read-only. ======================= ======================================================= in1_label "vin" in1_input Measured input voltage. in1_average Average measured input voltage. Loading Loading @@ -105,3 +134,4 @@ temp1_max Maximum temperature. temp1_crit Critical high temperature. temp1_max_alarm Chip temperature high alarm. temp1_crit_alarm Chip temperature critical high alarm. ======================= ======================================================= Documentation/hwmon/ltc2978 +203 −64 Original line number Diff line number Diff line Loading @@ -2,85 +2,143 @@ Kernel driver ltc2978 ===================== Supported chips: * Linear Technology LTC2974 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: - Datasheet: http://www.linear.com/product/ltc2977 * Linear Technology LTC2978, LTC2978A Prefix: 'ltc2978' 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: - Datasheet: http://www.linear.com/product/ltm4676 * Analog Devices LTM4686 Prefix: 'ltm4686' Addresses scanned: - Datasheet: http://www.analog.com/ltm4686 Author: Guenter Roeck <linux@roeck-us.net> 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, 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. LTM4686 is a dual 10A or single 20A 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. - LTM4686 is a dual 10A or single 20A uModule regulator. Usage Notes Loading @@ -90,7 +148,7 @@ This driver does not probe for PMBus devices. You will have to instantiate devices explicitly. Example: the following commands will load the driver for an LTC2978 at address 0x60 on I2C bus #1: 0x60 on I2C bus #1:: # modprobe ltc2978 # echo ltc2978 0x60 > /sys/bus/i2c/devices/i2c-1/new_device Loading @@ -99,118 +157,199 @@ Example: the following commands will load the driver for an LTC2978 at address Sysfs attributes ---------------- ======================= ======================================================== in1_label "vin" in1_input Measured input voltage. in1_min Minimum input voltage. in1_max Maximum input voltage. LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and LTM2987 only. in1_lcrit Critical minimum input voltage. 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, LTC2980, LTC2978, and LTM2987 only. in1_lcrit_alarm Input voltage critical low alarm. LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and LTM2987 only. in1_crit_alarm Input voltage critical high alarm. in1_lowest Lowest input voltage. 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, LTC2980, LTM2987: N=2-9 LTC2978: N=2-9 LTC3880, LTC3882, LTC23886 LTC3887, LTM4675, LTM4676: - LTC2974, LTC2975: N=2-5 - LTC2977, LTC2980, LTM2987: N=2-9 - LTC2978: N=2-9 - LTC3880, LTC3882, LTC23886 LTC3887, LTM4675, LTM4676: N=2-3 LTC3883: N=2 - LTC3883: N=2 in[N]_input Measured output voltage. in[N]_min Minimum output voltage. in[N]_max Maximum output voltage. in[N]_lcrit Critical minimum output voltage. in[N]_crit Critical maximum output voltage. 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, LTC2975, 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 and LTC2975, temp[1-4] report external - On LTC2974 and LTC2975, temp[1-4] report external temperatures, and temp5 reports the chip temperature. On LTC2977, LTC2980, LTC2978, and LTM2987, only one - 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, - 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, LTM2980, LTC2978, and LTM2987 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, 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, LTM2980, LTC2978, and - 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 and LTC2975. temp[N]_reset_history Reset temperature history. Not supported for chip temperature sensor on LTC2974 and LTC2975. - Not supported for chip temperature sensor on LTC2974 and LTC2975. temp[N]_highest Highest measured temperature. Not supported for chip temperature sensor on LTC2974 and LTC2975. temp[N]_reset_history Reset temperature history. Not supported for chip temperature sensor on LTC2974 and LTC2975. power1_label "pin". LTC3883 and LTC3886 only. power1_input Measured input power. power[N]_label "pout[1-4]". LTC2974, LTC2975: N=1-4 LTC2977, LTC2980, LTM2987: Not supported LTC2978: Not supported LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676: - LTC2974, LTC2975: N=1-4 - LTC2977, LTC2980, LTM2987: Not supported - LTC2978: Not supported - LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676: N=1-2 LTC3883: N=2 - LTC3883: N=2 power[N]_input Measured output power. curr1_label "iin". LTC3880, LTC3883, LTC3886, LTC3887, LTM4675, 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 and LTC3886 only. curr1_reset_history Reset input current history. LTC3883 and LTC3886 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, LTC2975: N=1-4 LTC2977, LTC2980, LTM2987: not supported LTC2978: not supported LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676: - LTC2974, LTC2975: N=1-4 - LTC2977, LTC2980, LTM2987: not supported - LTC2978: not supported - LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676: N=2-3 LTC3883: N=2 - 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 and LTC2975 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 and LTC2975 only. curr[N]_lowest Lowest output current. 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. ======================= ======================================================== Loading
Documentation/hwmon/adm1275 +26 −0 Original line number Diff line number Diff line Loading @@ -2,29 +2,53 @@ Kernel driver adm1275 ===================== Supported chips: * Analog Devices ADM1075 Prefix: 'adm1075' Addresses scanned: - Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1075.pdf * Analog Devices ADM1272 Prefix: 'adm1272' Addresses scanned: - Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1272.pdf * Analog Devices ADM1275 Prefix: 'adm1275' Addresses scanned: - Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1275.pdf * Analog Devices ADM1276 Prefix: 'adm1276' Addresses scanned: - Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1276.pdf * Analog Devices ADM1278 Prefix: 'adm1278' Addresses scanned: - Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1278.pdf * Analog Devices ADM1293/ADM1294 Prefix: 'adm1293', 'adm1294' Addresses scanned: - Datasheet: http://www.analog.com/media/en/technical-documentation/data-sheets/ADM1293_1294.pdf Author: Guenter Roeck <linux@roeck-us.net> Loading Loading @@ -75,6 +99,7 @@ Sysfs entries The following attributes are supported. Limits are read-write, history reset attributes are write-only, all other attributes are read-only. ======================= ======================================================= inX_label "vin1" or "vout1" depending on chip variant and configuration. On ADM1075, ADM1293, and ADM1294, vout1 reports the voltage on the VAUX pin. Loading Loading @@ -120,3 +145,4 @@ temp1_reset_history Write any value to reset history. Temperature attributes are supported on ADM1272 and ADM1278. ======================= =======================================================
Documentation/hwmon/ibm-cffps +3 −0 Original line number Diff line number Diff line Loading @@ -2,6 +2,7 @@ Kernel driver ibm-cffps ======================= Supported chips: * IBM Common Form Factor power supply Author: Eddie James <eajames@us.ibm.com> Loading @@ -24,6 +25,7 @@ Sysfs entries The following attributes are supported: ======================= ====================================================== curr1_alarm Output current over-current alarm. curr1_input Measured output current in mA. curr1_label "iout1" Loading Loading @@ -52,3 +54,4 @@ temp2_alarm Secondary rectifier temp over-temperature alarm. temp2_input Measured secondary rectifier temp in millidegrees C. temp3_alarm ORing FET temperature over-temperature alarm. temp3_input Measured ORing FET temperature in millidegrees C. ======================= ======================================================
Documentation/hwmon/ir35221 +8 −3 Original line number Diff line number Diff line Loading @@ -3,8 +3,11 @@ Kernel driver ir35221 Supported chips: * Infineon IR35221 Prefix: 'ir35221' Addresses scanned: - Datasheet: Datasheet is not publicly available. Author: Samuel Mendoza-Jonas <sam@mendozajonas.com> Loading @@ -23,7 +26,7 @@ This driver does not probe for PMBus devices. You will have to instantiate devices explicitly. Example: the following commands will load the driver for an IR35221 at address 0x70 on I2C bus #4: at address 0x70 on I2C bus #4:: # modprobe ir35221 # echo ir35221 0x70 > /sys/bus/i2c/devices/i2c-4/new_device Loading @@ -32,6 +35,7 @@ at address 0x70 on I2C bus #4: Sysfs attributes ---------------- ======================= ======================================================= curr1_label "iin" curr1_input Measured input current curr1_max Maximum current Loading Loading @@ -85,3 +89,4 @@ temp[1-2]_highest Highest temperature temp[1-2]_lowest Lowest temperature temp[1-2]_max Maximum temperature temp[1-2]_max_alarm Chip temperature high alarm ======================= =======================================================
Documentation/hwmon/lm25066 +30 −0 Original line number Diff line number Diff line Loading @@ -2,34 +2,62 @@ Kernel driver lm25066 ===================== Supported chips: * TI LM25056 Prefix: 'lm25056' Addresses scanned: - Datasheets: http://www.ti.com/lit/gpn/lm25056 http://www.ti.com/lit/gpn/lm25056a * National Semiconductor LM25066 Prefix: 'lm25066' Addresses scanned: - Datasheets: http://www.national.com/pf/LM/LM25066.html http://www.national.com/pf/LM/LM25066A.html * National Semiconductor LM5064 Prefix: 'lm5064' Addresses scanned: - Datasheet: http://www.national.com/pf/LM/LM5064.html * National Semiconductor LM5066 Prefix: 'lm5066' Addresses scanned: - Datasheet: http://www.national.com/pf/LM/LM5066.html * Texas Instruments LM5066I Prefix: 'lm5066i' Addresses scanned: - Datasheet: http://www.ti.com/product/LM5066I Author: Guenter Roeck <linux@roeck-us.net> Loading Loading @@ -64,6 +92,7 @@ Sysfs entries The following attributes are supported. Limits are read-write; all other attributes are read-only. ======================= ======================================================= in1_label "vin" in1_input Measured input voltage. in1_average Average measured input voltage. Loading Loading @@ -105,3 +134,4 @@ temp1_max Maximum temperature. temp1_crit Critical high temperature. temp1_max_alarm Chip temperature high alarm. temp1_crit_alarm Chip temperature critical high alarm. ======================= =======================================================
Documentation/hwmon/ltc2978 +203 −64 Original line number Diff line number Diff line Loading @@ -2,85 +2,143 @@ Kernel driver ltc2978 ===================== Supported chips: * Linear Technology LTC2974 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: - Datasheet: http://www.linear.com/product/ltc2977 * Linear Technology LTC2978, LTC2978A Prefix: 'ltc2978' 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: - Datasheet: http://www.linear.com/product/ltm4676 * Analog Devices LTM4686 Prefix: 'ltm4686' Addresses scanned: - Datasheet: http://www.analog.com/ltm4686 Author: Guenter Roeck <linux@roeck-us.net> 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, 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. LTM4686 is a dual 10A or single 20A 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. - LTM4686 is a dual 10A or single 20A uModule regulator. Usage Notes Loading @@ -90,7 +148,7 @@ This driver does not probe for PMBus devices. You will have to instantiate devices explicitly. Example: the following commands will load the driver for an LTC2978 at address 0x60 on I2C bus #1: 0x60 on I2C bus #1:: # modprobe ltc2978 # echo ltc2978 0x60 > /sys/bus/i2c/devices/i2c-1/new_device Loading @@ -99,118 +157,199 @@ Example: the following commands will load the driver for an LTC2978 at address Sysfs attributes ---------------- ======================= ======================================================== in1_label "vin" in1_input Measured input voltage. in1_min Minimum input voltage. in1_max Maximum input voltage. LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and LTM2987 only. in1_lcrit Critical minimum input voltage. 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, LTC2980, LTC2978, and LTM2987 only. in1_lcrit_alarm Input voltage critical low alarm. LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and LTM2987 only. in1_crit_alarm Input voltage critical high alarm. in1_lowest Lowest input voltage. 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, LTC2980, LTM2987: N=2-9 LTC2978: N=2-9 LTC3880, LTC3882, LTC23886 LTC3887, LTM4675, LTM4676: - LTC2974, LTC2975: N=2-5 - LTC2977, LTC2980, LTM2987: N=2-9 - LTC2978: N=2-9 - LTC3880, LTC3882, LTC23886 LTC3887, LTM4675, LTM4676: N=2-3 LTC3883: N=2 - LTC3883: N=2 in[N]_input Measured output voltage. in[N]_min Minimum output voltage. in[N]_max Maximum output voltage. in[N]_lcrit Critical minimum output voltage. in[N]_crit Critical maximum output voltage. 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, LTC2975, 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 and LTC2975, temp[1-4] report external - On LTC2974 and LTC2975, temp[1-4] report external temperatures, and temp5 reports the chip temperature. On LTC2977, LTC2980, LTC2978, and LTM2987, only one - 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, - 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, LTM2980, LTC2978, and LTM2987 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, 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, LTM2980, LTC2978, and - 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 and LTC2975. temp[N]_reset_history Reset temperature history. Not supported for chip temperature sensor on LTC2974 and LTC2975. - Not supported for chip temperature sensor on LTC2974 and LTC2975. temp[N]_highest Highest measured temperature. Not supported for chip temperature sensor on LTC2974 and LTC2975. temp[N]_reset_history Reset temperature history. Not supported for chip temperature sensor on LTC2974 and LTC2975. power1_label "pin". LTC3883 and LTC3886 only. power1_input Measured input power. power[N]_label "pout[1-4]". LTC2974, LTC2975: N=1-4 LTC2977, LTC2980, LTM2987: Not supported LTC2978: Not supported LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676: - LTC2974, LTC2975: N=1-4 - LTC2977, LTC2980, LTM2987: Not supported - LTC2978: Not supported - LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676: N=1-2 LTC3883: N=2 - LTC3883: N=2 power[N]_input Measured output power. curr1_label "iin". LTC3880, LTC3883, LTC3886, LTC3887, LTM4675, 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 and LTC3886 only. curr1_reset_history Reset input current history. LTC3883 and LTC3886 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, LTC2975: N=1-4 LTC2977, LTC2980, LTM2987: not supported LTC2978: not supported LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676: - LTC2974, LTC2975: N=1-4 - LTC2977, LTC2980, LTM2987: not supported - LTC2978: not supported - LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676: N=2-3 LTC3883: N=2 - 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 and LTC2975 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 and LTC2975 only. curr[N]_lowest Lowest output current. 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. ======================= ========================================================