115 lines
2.9 KiB
YAML
115 lines
2.9 KiB
YAML
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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# Copyright (C) 2020 Texas Instruments Incorporated
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/power/supply/bq25980.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: TI BQ25980 Flash Charger
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maintainers:
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- Andrew Davis <afd@ti.com>
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description: |
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The BQ25980, BQ25975, and BQ25960 are a series of flash chargers intended
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for use in high-power density portable electronics. These inductorless
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switching chargers can provide over 97% efficiency by making use of the
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switched capacitor architecture.
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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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enum:
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- ti,bq25980
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- ti,bq25975
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- ti,bq25960
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reg:
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maxItems: 1
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ti,watchdog-timeout-ms:
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description: |
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Watchdog timer in milli seconds. 0 disables the watchdog.
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default: 0
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minimum: 0
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maximum: 300000
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enum: [ 0, 5000, 10000, 50000, 300000]
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ti,sc-ovp-limit-microvolt:
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description: |
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Minimum input voltage limit in micro volts with a when the charger is in
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switch cap mode. 100000 micro volt step.
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default: 17800000
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minimum: 14000000
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maximum: 22000000
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ti,sc-ocp-limit-microamp:
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description: |
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Maximum input current limit in micro amps with a 100000 micro amp step.
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minimum: 100000
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maximum: 3300000
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ti,bypass-ovp-limit-microvolt:
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description: |
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Minimum input voltage limit in micro volts with a when the charger is in
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switch cap mode. 50000 micro volt step.
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minimum: 7000000
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maximum: 12750000
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ti,bypass-ocp-limit-microamp:
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description: |
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Maximum input current limit in micro amps with a 100000 micro amp step.
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minimum: 100000
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maximum: 3300000
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ti,bypass-enable:
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type: boolean
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description: Enables bypass mode at boot time
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interrupts:
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maxItems: 1
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description: |
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Indicates that the device state has changed.
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monitored-battery:
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$ref: /schemas/types.yaml#/definitions/phandle
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description: phandle to the battery node being monitored
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required:
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- compatible
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- reg
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- monitored-battery
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unevaluatedProperties: false
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examples:
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- |
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bat: battery {
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compatible = "simple-battery";
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constant-charge-current-max-microamp = <4000000>;
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constant-charge-voltage-max-microvolt = <8400000>;
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precharge-current-microamp = <160000>;
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charge-term-current-microamp = <160000>;
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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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i2c0 {
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#address-cells = <1>;
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#size-cells = <0>;
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bq25980: charger@65 {
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compatible = "ti,bq25980";
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reg = <0x65>;
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interrupt-parent = <&gpio1>;
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interrupts = <16 IRQ_TYPE_EDGE_FALLING>;
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ti,watchdog-timeout-ms = <0>;
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ti,sc-ocp-limit-microamp = <2000000>;
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ti,sc-ovp-limit-microvolt = <17800000>;
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monitored-battery = <&bat>;
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};
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};
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...
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