| LEGO MINDSTORMS EV3 Battery |
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| |
| LEGO MINDSTORMS EV3 has some built-in capability for monitoring the battery. |
| It uses 6 AA batteries or a special Li-ion rechargeable battery pack that is |
| detected by a key switch in the battery compartment. |
| |
| Required properties: |
| - compatible: Must be "lego,ev3-battery" |
| - io-channels: phandles to analog inputs for reading voltage and current |
| - io-channel-names: Must be "voltage", "current" |
| - rechargeable-gpios: phandle to the rechargeable battery indication gpio |
| |
| Example: |
| |
| battery { |
| compatible = "lego,ev3-battery"; |
| io-channels = <&adc 4>, <&adc 3>; |
| io-channel-names = "voltage", "current"; |
| rechargeable-gpios = <&gpio 136 GPIO_ACTIVE_LOW>; |
| }; |