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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2# Copyright (C) 2020 Texas Instruments Incorporated3%YAML 1.24---5$id: http://devicetree.org/schemas/power/supply/bq256xx.yaml#6$schema: http://devicetree.org/meta-schemas/core.yaml#7 8title: TI bq256xx Switch Mode Buck Charger9 10maintainers:11 - Andrew Davis <afd@ti.com>12 13description: |14 The bq256xx devices are a family of highly-integrated battery charge15 management and system power management ICs for single cell Li-ion and Li-16 polymer batteries.17 18 Datasheets:19 - https://www.ti.com/lit/ds/symlink/bq25600.pdf20 - https://www.ti.com/lit/ds/symlink/bq25601.pdf21 - https://www.ti.com/lit/ds/symlink/bq25600d.pdf22 - https://www.ti.com/lit/ds/symlink/bq25601d.pdf23 - https://www.ti.com/lit/ds/symlink/bq25611d.pdf24 - https://www.ti.com/lit/ds/symlink/bq25618.pdf25 - https://www.ti.com/lit/ds/symlink/bq25619.pdf26 27properties:28 compatible:29 enum:30 - ti,bq2560031 - ti,bq2560132 - ti,bq25600d33 - ti,bq25601d34 - ti,bq25611d35 - ti,bq2561836 - ti,bq2561937 38 reg:39 maxItems: 140 41 ti,watchdog-timeout-ms:42 default: 043 description: |44 Watchdog timer in ms. 0 (default) disables the watchdog45 minimum: 046 maximum: 16000047 enum: [ 0, 40000, 80000, 160000]48 49 input-voltage-limit-microvolt:50 description: |51 Minimum input voltage limit in µV with a 100000 µV step52 minimum: 390000053 maximum: 540000054 55 input-current-limit-microamp:56 description: |57 Maximum input current limit in µA with a 100000 µA step58 minimum: 10000059 maximum: 320000060 61 monitored-battery:62 $ref: /schemas/types.yaml#/definitions/phandle63 description: phandle to the battery node being monitored64 65 interrupts:66 maxItems: 167 description: |68 Interrupt sends an active low, 256 μs pulse to host to report the charger69 device status and faults.70 71 ti,no-thermistor:72 type: boolean73 description: Indicates that no thermistor is connected to the TS pin74 75required:76 - compatible77 - reg78 - monitored-battery79 80allOf:81 - if:82 properties:83 compatible:84 contains:85 enum:86 - ti,bq2560087 - ti,bq2560188 - ti,bq25600d89 - ti,bq25601d90 then:91 properties:92 ti,no-thermistor: false93 94additionalProperties: false95 96examples:97 - |98 bat: battery {99 compatible = "simple-battery";100 constant-charge-current-max-microamp = <2040000>;101 constant-charge-voltage-max-microvolt = <4352000>;102 precharge-current-microamp = <180000>;103 charge-term-current-microamp = <180000>;104 };105 #include <dt-bindings/gpio/gpio.h>106 #include <dt-bindings/interrupt-controller/irq.h>107 i2c {108 109 clock-frequency = <400000>;110 111 #address-cells = <1>;112 #size-cells = <0>;113 114 charger@6b {115 compatible = "ti,bq25601";116 reg = <0x6b>;117 monitored-battery = <&bat>;118 119 interrupt-parent = <&gpio1>;120 interrupts = <16 IRQ_TYPE_EDGE_FALLING>;121 ti,watchdog-timeout-ms = <40000>;122 123 input-voltage-limit-microvolt = <4500000>;124 input-current-limit-microamp = <2400000>;125 };126 };127...128