Documentation/devicetree/bindings/power/supply/bq24190.txt

   1 TI BQ24190 Li-Ion Battery Charger
   2
   3 Required properties:
   4 - compatible: contains one of the following:
   5     * "ti,bq24190"
   6     * "ti,bq24192i"
   7 - reg: integer, I2C address of the charger.
   8 - interrupts[-extended]: configuration for charger INT pin.
   9
  10 Optional properties:
  11 - monitored-battery: phandle of battery characteristics devicetree node
  12   The charger uses the following battery properties:
  13     + precharge-current-microamp: maximum charge current during precharge
  14       phase (typically 20% of battery capacity).
  15     + charge-term-current-microamp: a charge cycle terminates when the
  16       battery voltage is above recharge threshold, and the current is below
  17       this setting (typically 10% of battery capacity).
  18   See also Documentation/devicetree/bindings/power/supply/battery.txt
  19 - ti,system-minimum-microvolt: when power is connected and the battery is below
  20   minimum system voltage, the system will be regulated above this setting.
  21
  22 Notes:
  23 - Some circuit boards wire the chip's "OTG" pin high (enabling 500mA default
  24   charge current on USB SDP ports, among other features). To simulate this on
  25   boards that wire the pin to a GPIO, set a gpio-hog.
  26
  27 Example:
  28
  29         bat: battery {
  30                 compatible = "simple-battery";
  31                 precharge-current-microamp = <256000>;
  32                 charge-term-current-microamp = <128000>;
  33                 // etc.
  34         };
  35
  36         bq24190: charger@6a {
  37                 compatible = "ti,bq24190";
  38                 reg = <0x6a>;
  39                 interrupts-extended = <&gpiochip 10 IRQ_TYPE_EDGE_FALLING>;
  40                 monitored-battery = <&bat>;
  41                 ti,system-minimum-microvolt = <3200000>;
  42         };
  43
  44         &twl_gpio {
  45                 otg {
  46                         gpio-hog;
  47                         gpios = <6 0>;
  48                         output-high;
  49                         line-name = "otg-gpio";
  50                 };
  51         };