Documentation/devicetree/bindings/power/supply/max17040_battery.txt

   1 max17040_battery
   2 ~~~~~~~~~~~~~~~~
   3
   4 Required properties :
   5  - compatible : "maxim,max17040", "maxim,max17041", "maxim,max17043",
   6                 "maxim,max17044", "maxim,max17048", "maxim,max17049",
   7                 "maxim,max17058", "maxim,max17059" or "maxim,max77836-battery"
   8  - reg: i2c slave address
   9
  10 Optional properties :
  11 - maxim,alert-low-soc-level :   The alert threshold that sets the state of
  12                                 charge level (%) where an interrupt is
  13                                 generated. Can be configured from 1 up to 32
  14                                 (%). If skipped the power up default value of
  15                                 4 (%) will be used.
  16 - maxim,double-soc :            Certain devices return double the capacity.
  17                                 Specify this boolean property to divide the
  18                                 reported value in 2 and thus normalize it.
  19                                 SOC == State of Charge == Capacity.
  20 - maxim,rcomp :                 A value to compensate readings for various
  21                                 battery chemistries and operating temperatures.
  22                                 max17040,41 have 2 byte rcomp, default to
  23                                 0x97 0x00. All other devices have one byte
  24                                 rcomp, default to 0x97.
  25 - interrupts :                  Interrupt line see Documentation/devicetree/
  26                                 bindings/interrupt-controller/interrupts.txt
  27 - wakeup-source :               This device has wakeup capabilities. Use this
  28                                 property to use alert low SOC level interrupt
  29                                 as wake up source.
  30
  31 Optional properties support interrupt functionality for alert low state of
  32 charge level, present in some ICs in the same family, and should be used with
  33 compatible "maxim,max77836-battery".
  34
  35 Example:
  36
  37         battery-fuel-gauge@36 {
  38                 compatible = "maxim,max77836-battery";
  39                 reg = <0x36>;
  40                 maxim,alert-low-soc-level = <10>;
  41                 interrupt-parent = <&gpio7>;
  42                 interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
  43                 wakeup-source;
  44         };
  45
  46         battery-fuel-gauge@36 {
  47                 compatible = "maxim,max17048";
  48                 reg = <0x36>;
  49                 maxim,rcomp = /bits/ 8 <0x56>;
  50                 maxim,alert-low-soc-level = <10>;
  51                 maxim,double-soc;
  52         };