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