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Diffstat (limited to 'dts/Bindings/power/supply/lego,ev3-battery.yaml')
| -rw-r--r-- | dts/Bindings/power/supply/lego,ev3-battery.yaml | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/dts/Bindings/power/supply/lego,ev3-battery.yaml b/dts/Bindings/power/supply/lego,ev3-battery.yaml new file mode 100644 index 0000000000..518eabb635 --- /dev/null +++ b/dts/Bindings/power/supply/lego,ev3-battery.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/power/supply/lego,ev3-battery.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: LEGO MINDSTORMS EV3 Battery + +maintainers: + - David Lechner <david@lechnology.com> + - Sebastian Reichel <sre@kernel.org> + +description: | + 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. + +allOf: + - $ref: power-supply.yaml# + +properties: + compatible: + const: lego,ev3-battery + + io-channels: + items: + - description: ADC channel for battery voltage + - description: ADC channel for battery current + + io-channel-names: + items: + - const: voltage + - const: current + + rechargeable-gpios: + maxItems: 1 + description: Rechargeable battery indication gpio + +required: + - compatible + - io-channels + - io-channel-names + - rechargeable-gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + battery { + compatible = "lego,ev3-battery"; + io-channels = <&adc 4>, <&adc 3>; + io-channel-names = "voltage", "current"; + rechargeable-gpios = <&gpio 136 GPIO_ACTIVE_LOW>; + }; |