fg.txt

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    1 === AB8500 Fuel Gauge Driver ===
    2 
    3 AB8500 is a mixed signal multimedia and power management
    4 device comprising: power and energy-management-module,
    5 wall-charger, usb-charger, audio codec, general purpose adc,
    6 tvout, clock management and sim card interface.
    7 
    8 Fuelgauge support is part of energy-management-modules, other
    9 components of this module are:
   10 main-charger, usb-combo-charger and battery-temperature-monitoring.
   11 
   12 The properties below describes the node for fuelgauge driver.
   13 
   14 Required Properties:
   15 - compatible = This shall be: "stericsson,ab8500-fg"
   16 - battery = Shall be battery specific information
   17         Example:
   18         ab8500_fg {
   19                 compatible = "stericsson,ab8500-fg";
   20                 battery    = <&ab8500_battery>;
   21         };
   22 
   23 dependent node:
   24         ab8500_battery: ab8500_battery {
   25         };
   26         This node will provide information on 'thermistor interface' and
   27         'battery technology type' used.
   28 
   29 Properties of this node are:
   30 thermistor-on-batctrl:
   31         A boolean value indicating thermistor interface to battery
   32 
   33         Note:
   34         'btemp' and 'batctrl' are the pins interfaced for battery temperature
   35         measurement, 'btemp' signal is used when NTC(negative temperature
   36         coefficient) resister is interfaced external to battery whereas
   37         'batctrl' pin is used when NTC resister is internal to battery.
   38 
   39         Example:
   40         ab8500_battery: ab8500_battery {
   41                 thermistor-on-batctrl;
   42         };
   43         indicates: NTC resister is internal to battery, 'batctrl' is used
   44                 for thermal measurement.
   45 
   46         The absence of property 'thermal-on-batctrl' indicates
   47         NTC resister is external to battery and  'btemp' signal is used
   48         for thermal measurement.
   49 
   50 battery-type:
   51         This shall be the battery manufacturing technology type,
   52         allowed types are:
   53                 "UNKNOWN" "NiMH" "LION" "LIPO" "LiFe" "NiCd" "LiMn"
   54         Example:
   55         ab8500_battery: ab8500_battery {
   56                 stericsson,battery-type = "LIPO";
   57         }
   58

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/power/supply/ab8500/fg.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/power/supply/ab8500/fg.txt