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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/power/supply/richtek,rt9471.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Richtek RT9471 3A Single Cell Switching Battery charger
maintainers:
- Alina Yu <alina_yu@richtek.com>
- ChiYuan Huang <cy_huang@richtek.com>
description: |
RT9471 is a switch-mode single cell Li-Ion/Li-Polymer battery charger for
portable applications. It supports USB BC1.2 port detection, current and
voltage regulations in both charging and boost mode.
Datasheet is available at
https://www.richtek.com/assets/product_file/RT9471=RT9471D/DS9471D-02.pdf
properties:
compatible:
const: richtek,rt9471
reg:
maxItems: 1
charge-enable-gpios:
description: GPIO used to turn on and off charging.
maxItems: 1
wakeup-source: true
interrupts:
maxItems: 1
usb-otg-vbus-regulator:
type: object
$ref: /schemas/regulator/regulator.yaml#
unevaluatedProperties: false
required:
- compatible
- reg
- wakeup-source
- interrupts
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
charger@53 {
compatible = "richtek,rt9471";
reg = <0x53>;
charge-enable-gpios = <&gpio26 1 GPIO_ACTIVE_LOW>;
wakeup-source;
interrupts-extended = <&gpio_intc 32 IRQ_TYPE_EDGE_FALLING>;
usb-otg-vbus-regulator {
regulator-name = "usb-otg-vbus";
regulator-min-microvolt = <4850000>;
regulator-max-microvolt = <5300000>;
regulator-min-microamp = <500000>;
regulator-max-microamp = <1200000>;
};
};
};
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