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Diffstat (limited to 'Documentation/devicetree/bindings/power/supply/bq2415x.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/power/supply/bq2415x.yaml | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power/supply/bq2415x.yaml b/Documentation/devicetree/bindings/power/supply/bq2415x.yaml new file mode 100644 index 000000000000..f8461f06e6f4 --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/bq2415x.yaml @@ -0,0 +1,98 @@ +# 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>; + }; + }; |