| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (C) 2021 Sebastian Reichel |
| %YAML 1.2 |
| --- |
| $id: "http://devicetree.org/schemas/power/supply/bq2415x.yaml#" |
| $schema: "http://devicetree.org/meta-schemas/core.yaml#" |
| |
| title: Binding for TI bq2415x Li-Ion Charger |
| |
| maintainers: |
| - Sebastian Reichel <sre@kernel.org> |
| |
| allOf: |
| - $ref: power-supply.yaml# |
| |
| properties: |
| compatible: |
| enum: |
| - ti,bq24150 |
| - ti,bq24150 |
| - ti,bq24150a |
| - ti,bq24151 |
| - ti,bq24151a |
| - ti,bq24152 |
| - ti,bq24153 |
| - ti,bq24153a |
| - ti,bq24155 |
| - ti,bq24156 |
| - ti,bq24156a |
| - ti,bq24158 |
| |
| reg: |
| maxItems: 1 |
| |
| ti,current-limit: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| description: initial maximum current charger can pull from power supply in mA. |
| |
| ti,weak-battery-voltage: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| description: | |
| weak battery voltage threshold in mV. |
| The chip will use slow precharge if battery voltage is below this value. |
| |
| ti,battery-regulation-voltage: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| description: maximum charging voltage in mV. |
| |
| ti,charge-current: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| description: maximum charging current in mA. |
| |
| ti,termination-current: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| description: | |
| charge will be terminated when current in constant-voltage phase drops |
| below this value (in mA). |
| |
| ti,resistor-sense: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| description: value of sensing resistor in milliohm. |
| |
| ti,usb-charger-detection: |
| $ref: /schemas/types.yaml#/definitions/phandle |
| description: phandle to usb charger detection device (required for auto mode) |
| |
| required: |
| - compatible |
| - reg |
| - ti,current-limit |
| - ti,weak-battery-voltage |
| - ti,battery-regulation-voltage |
| - ti,charge-current |
| - ti,termination-current |
| - ti,resistor-sense |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| i2c0 { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| charger@6b { |
| compatible = "ti,bq24150a"; |
| reg = <0x6b>; |
| |
| ti,current-limit = <100>; |
| ti,weak-battery-voltage = <3400>; |
| ti,battery-regulation-voltage = <4200>; |
| ti,charge-current = <650>; |
| ti,termination-current = <100>; |
| ti,resistor-sense = <68>; |
| |
| ti,usb-charger-detection = <&isp1704>; |
| }; |
| }; |
