18f7bda7aSRicardo Rivera-Matos# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 28f7bda7aSRicardo Rivera-Matos# Copyright (C) 2020 Texas Instruments Incorporated 38f7bda7aSRicardo Rivera-Matos%YAML 1.2 48f7bda7aSRicardo Rivera-Matos--- 5*1ea78ec5SKrzysztof Kozlowski$id: http://devicetree.org/schemas/power/supply/bq2515x.yaml# 6*1ea78ec5SKrzysztof Kozlowski$schema: http://devicetree.org/meta-schemas/core.yaml# 78f7bda7aSRicardo Rivera-Matos 88f7bda7aSRicardo Rivera-Matostitle: TI bq2515x 500-mA Linear charger family 98f7bda7aSRicardo Rivera-Matos 108f7bda7aSRicardo Rivera-Matosmaintainers: 118f7bda7aSRicardo Rivera-Matos - Dan Murphy <dmurphy@ti.com> 128f7bda7aSRicardo Rivera-Matos - Ricardo Rivera-Matos <r-rivera-matos@ti.com> 138f7bda7aSRicardo Rivera-Matos 148f7bda7aSRicardo Rivera-Matosdescription: | 158f7bda7aSRicardo Rivera-Matos The BQ2515x family is a highly integrated battery charge management IC that 168f7bda7aSRicardo Rivera-Matos integrates the most common functions for wearable devices, namely a charger, 178f7bda7aSRicardo Rivera-Matos an output voltage rail, ADC for battery and system monitoring, and 188f7bda7aSRicardo Rivera-Matos push-button controller. 198f7bda7aSRicardo Rivera-Matos 208f7bda7aSRicardo Rivera-Matos Specifications about the charger can be found at: 218f7bda7aSRicardo Rivera-Matos http://www.ti.com/lit/ds/symlink/bq25150.pdf 228f7bda7aSRicardo Rivera-Matos http://www.ti.com/lit/ds/symlink/bq25155.pdf 238f7bda7aSRicardo Rivera-Matos 248f7bda7aSRicardo Rivera-Matosproperties: 258f7bda7aSRicardo Rivera-Matos compatible: 268f7bda7aSRicardo Rivera-Matos enum: 278f7bda7aSRicardo Rivera-Matos - ti,bq25150 288f7bda7aSRicardo Rivera-Matos - ti,bq25155 298f7bda7aSRicardo Rivera-Matos 308f7bda7aSRicardo Rivera-Matos reg: 318f7bda7aSRicardo Rivera-Matos maxItems: 1 328f7bda7aSRicardo Rivera-Matos description: I2C address of the charger. 338f7bda7aSRicardo Rivera-Matos 348f7bda7aSRicardo Rivera-Matos ac-detect-gpios: 358f7bda7aSRicardo Rivera-Matos description: | 368f7bda7aSRicardo Rivera-Matos GPIO used for connecting the bq2515x device PG (AC Detect) 378f7bda7aSRicardo Rivera-Matos pin. 388f7bda7aSRicardo Rivera-Matos maxItems: 1 398f7bda7aSRicardo Rivera-Matos 408f7bda7aSRicardo Rivera-Matos reset-gpios: 418f7bda7aSRicardo Rivera-Matos description: GPIO used for hardware reset. 428f7bda7aSRicardo Rivera-Matos maxItems: 1 438f7bda7aSRicardo Rivera-Matos 448f7bda7aSRicardo Rivera-Matos powerdown-gpios: 458f7bda7aSRicardo Rivera-Matos description: GPIO used for low power mode of IC. 468f7bda7aSRicardo Rivera-Matos maxItems: 1 478f7bda7aSRicardo Rivera-Matos 488f7bda7aSRicardo Rivera-Matos charge-enable-gpios: 498f7bda7aSRicardo Rivera-Matos description: GPIO used to turn on and off charging. 508f7bda7aSRicardo Rivera-Matos maxItems: 1 518f7bda7aSRicardo Rivera-Matos 528f7bda7aSRicardo Rivera-Matos input-current-limit-microamp: 538f7bda7aSRicardo Rivera-Matos description: Maximum input current in micro Amps. 548f7bda7aSRicardo Rivera-Matos minimum: 50000 558f7bda7aSRicardo Rivera-Matos maximum: 500000 568f7bda7aSRicardo Rivera-Matos 578f7bda7aSRicardo Rivera-Matos monitored-battery: 588f7bda7aSRicardo Rivera-Matos $ref: /schemas/types.yaml#/definitions/phandle 598f7bda7aSRicardo Rivera-Matos description: phandle to the battery node being monitored 608f7bda7aSRicardo Rivera-Matos 618f7bda7aSRicardo Rivera-Matosrequired: 628f7bda7aSRicardo Rivera-Matos - compatible 638f7bda7aSRicardo Rivera-Matos - reg 648f7bda7aSRicardo Rivera-Matos - monitored-battery 658f7bda7aSRicardo Rivera-Matos 668f7bda7aSRicardo Rivera-MatosadditionalProperties: false 678f7bda7aSRicardo Rivera-Matos 688f7bda7aSRicardo Rivera-Matosexamples: 698f7bda7aSRicardo Rivera-Matos - | 708f7bda7aSRicardo Rivera-Matos bat: battery { 718f7bda7aSRicardo Rivera-Matos compatible = "simple-battery"; 728f7bda7aSRicardo Rivera-Matos constant-charge-current-max-microamp = <50000>; 738f7bda7aSRicardo Rivera-Matos precharge-current-microamp = <2500>; 748f7bda7aSRicardo Rivera-Matos constant-charge-voltage-max-microvolt = <4000000>; 758f7bda7aSRicardo Rivera-Matos }; 768f7bda7aSRicardo Rivera-Matos #include <dt-bindings/gpio/gpio.h> 778f7bda7aSRicardo Rivera-Matos i2c0 { 788f7bda7aSRicardo Rivera-Matos #address-cells = <1>; 798f7bda7aSRicardo Rivera-Matos #size-cells = <0>; 808f7bda7aSRicardo Rivera-Matos 818f7bda7aSRicardo Rivera-Matos bq25150: charger@6b { 828f7bda7aSRicardo Rivera-Matos compatible = "ti,bq25150"; 838f7bda7aSRicardo Rivera-Matos reg = <0x6b>; 848f7bda7aSRicardo Rivera-Matos monitored-battery = <&bat>; 858f7bda7aSRicardo Rivera-Matos input-current-limit-microamp = <100000>; 868f7bda7aSRicardo Rivera-Matos 878f7bda7aSRicardo Rivera-Matos ac-detect-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; 888f7bda7aSRicardo Rivera-Matos reset-gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>; 898f7bda7aSRicardo Rivera-Matos powerdown-gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>; 908f7bda7aSRicardo Rivera-Matos charge-enable-gpios = <&gpio0 13 GPIO_ACTIVE_LOW>; 918f7bda7aSRicardo Rivera-Matos }; 928f7bda7aSRicardo Rivera-Matos }; 93