| # 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>; |
| }; |
| }; |
| }; |
