lego_ev3_battery.txt

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    1 LEGO MINDSTORMS EV3 Battery
    2 ~~~~~~~~~~~~~~~~~~~~~~~~~~~
    3 
    4 LEGO MINDSTORMS EV3 has some built-in capability for monitoring the battery.
    5 It uses 6 AA batteries or a special Li-ion rechargeable battery pack that is
    6 detected by a key switch in the battery compartment.
    7 
    8 Required properties:
    9  - compatible: Must be "lego,ev3-battery"
   10  - io-channels: phandles to analog inputs for reading voltage and current
   11  - io-channel-names: Must be "voltage", "current"
   12  - rechargeable-gpios: phandle to the rechargeable battery indication gpio
   13 
   14 Example:
   15 
   16         battery {
   17                 compatible = "lego,ev3-battery";
   18                 io-channels = <&adc 4>, <&adc 3>;
   19                 io-channel-names = "voltage", "current";
   20                 rechargeable-gpios = <&gpio 136 GPIO_ACTIVE_LOW>;
   21         };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/power/supply/lego_ev3_battery.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/power/supply/lego_ev3_battery.txt