bq24190.yaml (2480B)
1# SPDX-License-Identifier: GPL-2.0 2# Copyright (C) 2021 Sebastian Reichel 3%YAML 1.2 4--- 5$id: "http://devicetree.org/schemas/power/supply/bq24190.yaml#" 6$schema: "http://devicetree.org/meta-schemas/core.yaml#" 7 8title: Binding for TI BQ2419x Li-Ion Battery Charger 9 10maintainers: 11 - Sebastian Reichel <sre@kernel.org> 12 13allOf: 14 - $ref: power-supply.yaml# 15 16properties: 17 compatible: 18 enum: 19 - ti,bq24190 20 - ti,bq24192 21 - ti,bq24192i 22 - ti,bq24196 23 24 reg: 25 maxItems: 1 26 27 interrupts: 28 maxItems: 1 29 30 usb-otg-vbus: 31 type: object 32 description: | 33 Regulator that is used to control the VBUS voltage direction for 34 either USB host mode or for charging on the OTG port 35 36 ti,system-minimum-microvolt: 37 description: | 38 when power is connected and the battery is below minimum system voltage, 39 the system will be regulated above this setting. 40 41 omit-battery-class: 42 type: boolean 43 description: | 44 If this property is set, the operating system does not try to create a 45 battery device. 46 47 monitored-battery: 48 $ref: /schemas/types.yaml#/definitions/phandle 49 description: | 50 phandle to a "simple-battery" compatible node. 51 52 This property must be a phandle to a node using the format described 53 in battery.yaml, with the following properties being required: 54 - precharge-current-microamp: maximum charge current during precharge phase 55 (typically 20% of battery capacity). 56 - charge-term-current-microamp: a charge cycle terminates when the battery voltage is 57 above recharge threshold, and the current is below this 58 setting (typically 10% of battery capacity). 59 60required: 61 - compatible 62 - reg 63 - interrupts 64 65additionalProperties: false 66 67examples: 68 - | 69 #include <dt-bindings/gpio/gpio.h> 70 #include <dt-bindings/interrupt-controller/irq.h> 71 72 bat: battery { 73 compatible = "simple-battery"; 74 precharge-current-microamp = <256000>; 75 charge-term-current-microamp = <128000>; 76 }; 77 78 i2c0 { 79 #address-cells = <1>; 80 #size-cells = <0>; 81 82 charger@6a { 83 compatible = "ti,bq24190"; 84 reg = <0x6a>; 85 interrupt-parent = <&gpiochip>; 86 interrupts = <10 IRQ_TYPE_EDGE_FALLING>; 87 monitored-battery = <&bat>; 88 ti,system-minimum-microvolt = <3200000>; 89 90 usb_otg_vbus: usb-otg-vbus { }; 91 }; 92 };