56 lines
1.3 KiB
YAML
56 lines
1.3 KiB
YAML
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# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/power/supply/lego,ev3-battery.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: LEGO MINDSTORMS EV3 Battery
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maintainers:
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- David Lechner <david@lechnology.com>
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- Sebastian Reichel <sre@kernel.org>
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description: |
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LEGO MINDSTORMS EV3 has some built-in capability for monitoring the battery.
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It uses 6 AA batteries or a special Li-ion rechargeable battery pack that is
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detected by a key switch in the battery compartment.
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allOf:
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- $ref: power-supply.yaml#
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properties:
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compatible:
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const: lego,ev3-battery
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io-channels:
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items:
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- description: ADC channel for battery voltage
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- description: ADC channel for battery current
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io-channel-names:
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items:
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- const: voltage
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- const: current
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rechargeable-gpios:
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maxItems: 1
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description: Rechargeable battery indication gpio
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required:
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- compatible
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- io-channels
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- io-channel-names
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- rechargeable-gpios
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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battery {
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compatible = "lego,ev3-battery";
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io-channels = <&adc 4>, <&adc 3>;
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io-channel-names = "voltage", "current";
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rechargeable-gpios = <&gpio 136 GPIO_ACTIVE_LOW>;
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};
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