charger-manager.txt

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    1 charger-manager bindings
    2 ~~~~~~~~~~~~~~~~~~~~~~~~
    3 
    4 Required properties :
    5  - compatible : "charger-manager"
    6  - <>-supply : for regulator consumer, named according to cm-regulator-name
    7  - cm-chargers : name of chargers
    8  - cm-fuel-gauge : name of battery fuel gauge
    9  - subnode <regulator> :
   10         - cm-regulator-name : name of charger regulator
   11         - subnode <cable> :
   12                 - cm-cable-name : name of charger cable - one of USB, USB-HOST,
   13                         SDP, DCP, CDP, ACA, FAST-CHARGER, SLOW-CHARGER, WPT,
   14                         PD, DOCK, JIG, or MECHANICAL
   15                 - cm-cable-extcon : name of extcon dev
   16 (optional)      - cm-cable-min : minimum current of cable
   17 (optional)      - cm-cable-max : maximum current of cable
   18 
   19 Optional properties :
   20  - cm-name : charger manager's name (default : "battery")
   21  - cm-poll-mode : polling mode - 0 for disabled, 1 for always, 2 for when
   22         external power is connected, or 3 for when charging.  If not present,
   23         then polling is disabled
   24  - cm-poll-interval : polling interval (in ms)
   25  - cm-battery-stat : battery status - 0 for battery always present, 1 for no
   26         battery, 2 to check presence via fuel gauge, or 3 to check presence
   27         via charger
   28  - cm-fullbatt-vchkdrop-volt : voltage drop (in uV) before restarting charging
   29  - cm-fullbatt-voltage : voltage (in uV) of full battery
   30  - cm-fullbatt-soc : state of charge to consider as full battery
   31  - cm-fullbatt-capacity : capcity (in uAh) to consider as full battery
   32  - cm-thermal-zone : name of external thermometer's thermal zone
   33  - cm-battery-* : threshold battery temperature for charging
   34         -cold : critical cold temperature of battery for charging
   35         -cold-in-minus : flag that cold temperature is in minus degrees
   36         -hot : critical hot temperature of battery for charging
   37         -temp-diff : temperature difference to allow recharging
   38  - cm-dis/charging-max = limits of charging duration
   39 
   40 Deprecated properties:
   41  - cm-num-chargers
   42  - cm-fullbatt-vchkdrop-ms
   43 
   44 Example :
   45         charger-manager@0 {
   46                 compatible = "charger-manager";
   47                 chg-reg-supply = <&charger_regulator>;
   48 
   49                 cm-name = "battery";
   50                 /* Always polling ON : 30s */
   51                 cm-poll-mode = <1>;
   52                 cm-poll-interval = <30000>;
   53 
   54                 cm-fullbatt-vchkdrop-volt = <150000>;
   55                 cm-fullbatt-soc = <100>;
   56 
   57                 cm-battery-stat = <3>;
   58 
   59                 cm-chargers = "charger0", "charger1", "charger2";
   60 
   61                 cm-fuel-gauge = "fuelgauge0";
   62 
   63                 cm-thermal-zone = "thermal_zone.1"
   64                 /* in deci centigrade */
   65                 cm-battery-cold = <50>;
   66                 cm-battery-cold-in-minus;
   67                 cm-battery-hot = <800>;
   68                 cm-battery-temp-diff = <100>;
   69 
   70                 /* Allow charging for 5hr */
   71                 cm-charging-max = <18000000>;
   72                 /* Allow discharging for 2hr */
   73                 cm-discharging-max = <7200000>;
   74 
   75                 regulator@0 {
   76                         cm-regulator-name = "chg-reg";
   77                         cable@0 {
   78                                 cm-cable-name = "USB";
   79                                 cm-cable-extcon = "extcon-dev.0";
   80                                 cm-cable-min = <475000>;
   81                                 cm-cable-max = <500000>;
   82                         };
   83                         cable@1 {
   84                                 cm-cable-name = "SDP";
   85                                 cm-cable-extcon = "extcon-dev.0";
   86                                 cm-cable-min = <650000>;
   87                                 cm-cable-max = <675000>;
   88                         };
   89                 };
   90 
   91         };

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

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