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