Add support for the LTC4162-L Li-Ion battery charger. The driver allows reading back telemetry and to set some charging options like the input current limit. This adds the devicetree bindings. Signed-off-by: Mike Looijmans <mike.looijmans@xxxxxxxx> --- .../bindings/power/supply/ltc4162-l.yaml | 60 +++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/supply/ltc4162-l.yaml diff --git a/Documentation/devicetree/bindings/power/supply/ltc4162-l.yaml b/Documentation/devicetree/bindings/power/supply/ltc4162-l.yaml new file mode 100644 index 000000000000..a23dd6f3fae0 --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/ltc4162-l.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright (C) 2020 Topic Embedded Products +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/power/supply/ltc4162-l.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: Linear Technology (Analog Devices) LTC4162-L Charger + +maintainers: + - Mike Looijmans <mike.looijmans@xxxxxxxx> + +description: | + The LTC ® 4162-L is an advanced monolithic synchronous step-down switching + battery charger and PowerPath (TM) manager that seamlessly manages power + distribution between input sources such as wall adapters, backplanes, solar + panels, etc., and a rechargeable Lithium-Ion/Polymer battery. + + Specifications about the charger can be found at: + https://www.analog.com/en/products/ltc4162-s.html + +properties: + compatible: + enum: + - lltc,ltc4162-l + + reg: + maxItems: 1 + description: I2C address of the charger. + + lltc,rsnsb: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Battery sense resistor in milli Ohm. + minimum: 1 + + lltc,rsnsi: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Input current sense resistor in milli Ohm. + minimum: 1 + +required: + - compatible + - reg + - lltc,rsnsb + - lltc,rsnsi + +additionalProperties: false + +examples: + - | + i2c0 { + #address-cells = <1>; + #size-cells = <0>; + charger: battery-charger@68 { + compatible = "lltc,ltc4162-l"; + reg = <0x68>; + lltc,rsnsb = <10>; + lltc,rsnsi = <16>; + }; + }; -- 2.17.1
