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dt-bindings: mfd: ti,bq25703a: Add TI BQ25703A Charger
Document the Texas instruments BQ25703A series of charger managers/
buck/boost regulators.
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250904160530.66178-2-macroalpha82@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
authored by
Chris Morgan
and committed by
Lee Jones
76bc2203
8f5ae30d
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Documentation/devicetree/bindings/mfd/ti,bq25703a.yaml
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Documentation/devicetree/bindings/mfd/ti,bq25703a.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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$id: http://devicetree.org/schemas/mfd/ti,bq25703a.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: BQ25703A Charger Manager/Buck/Boost Converter
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maintainers:
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- Chris Morgan <macromorgan@hotmail.com>
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allOf:
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- $ref: /schemas/power/supply/power-supply.yaml#
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properties:
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compatible:
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const: ti,bq25703a
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reg:
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const: 0x6b
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input-current-limit-microamp:
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description:
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Maximum total input current allowed used for both charging and
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powering the device.
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minimum: 50000
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maximum: 6400000
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default: 3250000
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interrupts:
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maxItems: 1
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monitored-battery:
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description:
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A minimum of constant-charge-current-max-microamp,
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constant-charge-voltage-max-microvolt, and
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voltage-min-design-microvolt are required.
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regulators:
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type: object
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additionalProperties: false
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description:
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Boost converter regulator output of bq257xx.
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properties:
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vbus:
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type: object
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$ref: /schemas/regulator/regulator.yaml
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additionalProperties: false
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properties:
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regulator-name: true
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regulator-min-microamp:
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minimum: 0
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maximum: 6350000
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regulator-max-microamp:
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minimum: 0
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maximum: 6350000
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regulator-min-microvolt:
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minimum: 4480000
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maximum: 20800000
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regulator-max-microvolt:
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minimum: 4480000
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maximum: 20800000
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enable-gpios:
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description:
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The BQ25703 may require both a register write and a GPIO
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toggle to enable the boost regulator.
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required:
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- regulator-name
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- regulator-min-microamp
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- regulator-max-microamp
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- regulator-min-microvolt
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- regulator-max-microvolt
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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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- input-current-limit-microamp
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- monitored-battery
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- power-supplies
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/pinctrl/rockchip.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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bq25703: charger@6b {
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compatible = "ti,bq25703a";
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reg = <0x6b>;
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input-current-limit-microamp = <5000000>;
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interrupt-parent = <&gpio0>;
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interrupts = <RK_PD5 IRQ_TYPE_LEVEL_LOW>;
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monitored-battery = <&battery>;
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power-supplies = <&fusb302>;
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regulators {
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usb_otg_vbus: vbus {
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enable-gpios = <&gpio4 RK_PA6 GPIO_ACTIVE_HIGH>;
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regulator-max-microamp = <960000>;
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regulator-max-microvolt = <5088000>;
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regulator-min-microamp = <512000>;
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regulator-min-microvolt = <4992000>;
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regulator-name = "usb_otg_vbus";
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};
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};
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};
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};
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...