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1# SPDX-License-Identifier: GPL-2.02# Copyright (C) 2021 Sebastian Reichel3%YAML 1.24---5$id: http://devicetree.org/schemas/power/supply/bq24735.yaml#6$schema: http://devicetree.org/meta-schemas/core.yaml#7 8title: TI BQ24735 Li-Ion Battery Charger9 10maintainers:11 - Sebastian Reichel <sre@kernel.org>12 13allOf:14 - $ref: power-supply.yaml#15 16properties:17 compatible:18 const: ti,bq2473519 20 reg:21 maxItems: 122 23 interrupts:24 description: AC adapter plug event interrupt25 maxItems: 126 27 ti,ac-detect-gpios:28 maxItems: 129 description: |30 This GPIO is optionally used to read the AC adapter status. This is a Host GPIO31 that is configured as an input and connected to the ACOK pin on the bq24735.32 Note: for backwards compatibility reasons, the GPIO must be active on AC adapter33 absence despite ACOK being active (high) on AC adapter presence.34 35 ti,charge-current:36 $ref: /schemas/types.yaml#/definitions/uint3237 description: |38 Used to control and set the charging current.39 This value must be between 128mA and 8.128A with a 64mA step resolution.40 The POR value is 0x0000h. This number is in mA (e.g. 8192).41 See spec for more information about the ChargeCurrent (0x14h) register.42 43 ti,charge-voltage:44 $ref: /schemas/types.yaml#/definitions/uint3245 description: |46 Used to control and set the charging voltage.47 This value must be between 1.024V and 19.2V with a 16mV step resolution.48 The POR value is 0x0000h. This number is in mV (e.g. 19200).49 See spec for more information about the ChargeVoltage (0x15h) register.50 51 ti,input-current:52 $ref: /schemas/types.yaml#/definitions/uint3253 description: |54 Used to control and set the charger input current.55 This value must be between 128mA and 8.064A with a 128mA step resolution.56 The POR value is 0x1000h. This number is in mA (e.g. 8064).57 See the spec for more information about the InputCurrent (0x3fh) register.58 59 ti,external-control:60 type: boolean61 description: |62 Indicates that the charger is configured externally and that the host should not63 attempt to enable/disable charging or set the charge voltage/current.64 65 poll-interval:66 $ref: /schemas/types.yaml#/definitions/uint3267 description: |68 If 'interrupts' is not specified, poll AC adapter presence with this interval (milliseconds).69 70required:71 - compatible72 - reg73 74additionalProperties: false75 76examples:77 - |78 #include <dt-bindings/gpio/gpio.h>79 80 i2c {81 #address-cells = <1>;82 #size-cells = <0>;83 84 charger@9 {85 compatible = "ti,bq24735";86 reg = <0x9>;87 ti,ac-detect-gpios = <&gpio 72 0x1>;88 };89 };90