Documentation/devicetree/bindings/power_supply/charger-manager.txt

   1 charger-manager bindings
   2 ~~~~~~~~~~~~~~~~~~~~~~~~
   3
   4 Required properties :
   5  - compatible : "charger-manager"
   6  - <>-supply : for regulator consumer
   7  - cm-num-chargers : number of chargers
   8  - cm-chargers : name of chargers
   9  - cm-fuel-gauge : name of battery fuel gauge
  10  - subnode <regulator> :
  11         - cm-regulator-name : name of charger regulator
  12         - subnode <cable> :
  13                 - cm-cable-name : name of charger cable
  14                 - cm-cable-extcon : name of extcon dev
  15 (optional)      - cm-cable-min : minimum current of cable
  16 (optional)      - cm-cable-max : maximum current of cable
  17
  18 Optional properties :
  19  - cm-name : charger manager's name (default : "battery")
  20  - cm-poll-mode : polling mode (enum polling_modes)
  21  - cm-poll-interval : polling interval
  22  - cm-battery-stat : battery status (enum data_source)
  23  - cm-fullbatt-* : data for full battery checking
  24  - cm-thermal-zone : name of external thermometer's thermal zone
  25  - cm-battery-* : threshold battery temperature for charging
  26         -cold : critical cold temperature of battery for charging
  27         -cold-in-minus : flag that cold temperature is in minus degrees
  28         -hot : critical hot temperature of battery for charging
  29         -temp-diff : temperature difference to allow recharging
  30  - cm-dis/charging-max = limits of charging duration
  31
  32 Example :
  33         charger-manager@0 {
  34                 compatible = "charger-manager";
  35                 chg-reg-supply = <&charger_regulator>;
  36
  37                 cm-name = "battery";
  38                 /* Always polling ON : 30s */
  39                 cm-poll-mode = <1>;
  40                 cm-poll-interval = <30000>;
  41
  42                 cm-fullbatt-vchkdrop-ms = <30000>;
  43                 cm-fullbatt-vchkdrop-volt = <150000>;
  44                 cm-fullbatt-soc = <100>;
  45
  46                 cm-battery-stat = <3>;
  47
  48                 cm-num-chargers = <3>;
  49                 cm-chargers = "charger0", "charger1", "charger2";
  50
  51                 cm-fuel-gauge = "fuelgauge0";
  52
  53                 cm-thermal-zone = "thermal_zone.1"
  54                 /* in deci centigrade */
  55                 cm-battery-cold = <50>;
  56                 cm-battery-cold-in-minus;
  57                 cm-battery-hot = <800>;
  58                 cm-battery-temp-diff = <100>;
  59
  60                 /* Allow charging for 5hr */
  61                 cm-charging-max = <18000000>;
  62                 /* Allow discharging for 2hr */
  63                 cm-discharging-max = <7200000>;
  64
  65                 regulator@0 {
  66                         cm-regulator-name = "chg-reg";
  67                         cable@0 {
  68                                 cm-cable-name = "USB";
  69                                 cm-cable-extcon = "extcon-dev.0";
  70                                 cm-cable-min = <475000>;
  71                                 cm-cable-max = <500000>;
  72                         };
  73                         cable@1 {
  74                                 cm-cable-name = "TA";
  75                                 cm-cable-extcon = "extcon-dev.0";
  76                                 cm-cable-min = <650000>;
  77                                 cm-cable-max = <675000>;
  78                         };
  79                 };
  80
  81         };