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