15def4c47SEmmanuel Vadot# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 25def4c47SEmmanuel Vadot# Copyright (C) 2020 Topic Embedded Products 35def4c47SEmmanuel Vadot%YAML 1.2 45def4c47SEmmanuel Vadot--- 5b97ee269SEmmanuel Vadot$id: http://devicetree.org/schemas/power/supply/ltc4162-l.yaml# 6b97ee269SEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml# 75def4c47SEmmanuel Vadot 85def4c47SEmmanuel Vadottitle: Linear Technology (Analog Devices) LTC4162-L Charger 95def4c47SEmmanuel Vadot 105def4c47SEmmanuel Vadotmaintainers: 115def4c47SEmmanuel Vadot - Mike Looijmans <mike.looijmans@topic.nl> 125def4c47SEmmanuel Vadot 135def4c47SEmmanuel Vadotdescription: | 145def4c47SEmmanuel Vadot The LTC ® 4162-L is an advanced monolithic synchronous step-down switching 155def4c47SEmmanuel Vadot battery charger and PowerPath (TM) manager that seamlessly manages power 165def4c47SEmmanuel Vadot distribution between input sources such as wall adapters, backplanes, solar 175def4c47SEmmanuel Vadot panels, etc., and a rechargeable Lithium-Ion/Polymer battery. 185def4c47SEmmanuel Vadot 195def4c47SEmmanuel Vadot Specifications about the charger can be found at: 205def4c47SEmmanuel Vadot https://www.analog.com/en/products/ltc4162-s.html 215def4c47SEmmanuel Vadot 225def4c47SEmmanuel Vadotproperties: 235def4c47SEmmanuel Vadot compatible: 245def4c47SEmmanuel Vadot enum: 255def4c47SEmmanuel Vadot - lltc,ltc4162-l 265def4c47SEmmanuel Vadot 275def4c47SEmmanuel Vadot reg: 285def4c47SEmmanuel Vadot maxItems: 1 295def4c47SEmmanuel Vadot description: I2C address of the charger. 305def4c47SEmmanuel Vadot 315def4c47SEmmanuel Vadot lltc,rsnsb-micro-ohms: 325def4c47SEmmanuel Vadot description: Battery sense resistor in microohm. 335def4c47SEmmanuel Vadot minimum: 1000 345def4c47SEmmanuel Vadot 355def4c47SEmmanuel Vadot lltc,rsnsi-micro-ohms: 365def4c47SEmmanuel Vadot description: Input current sense resistor in microohm. 375def4c47SEmmanuel Vadot minimum: 1000 385def4c47SEmmanuel Vadot 395def4c47SEmmanuel Vadot lltc,cell-count: 405def4c47SEmmanuel Vadot $ref: /schemas/types.yaml#/definitions/uint32 415def4c47SEmmanuel Vadot description: | 425def4c47SEmmanuel Vadot Number of battery cells. If not provided, will be obtained from the chip 435def4c47SEmmanuel Vadot once the external power is applied. Omit this when the number of cells 445def4c47SEmmanuel Vadot is somewhat dynamic. Without it, several measurements will return 0 until 455def4c47SEmmanuel Vadot the charger is connected to an external supply. 465def4c47SEmmanuel Vadot 475def4c47SEmmanuel Vadotrequired: 485def4c47SEmmanuel Vadot - compatible 495def4c47SEmmanuel Vadot - reg 505def4c47SEmmanuel Vadot - lltc,rsnsb-micro-ohms 515def4c47SEmmanuel Vadot - lltc,rsnsi-micro-ohms 525def4c47SEmmanuel Vadot 535def4c47SEmmanuel VadotadditionalProperties: false 545def4c47SEmmanuel Vadot 555def4c47SEmmanuel Vadotexamples: 565def4c47SEmmanuel Vadot - | 57*fac71e4eSEmmanuel Vadot i2c { 585def4c47SEmmanuel Vadot #address-cells = <1>; 595def4c47SEmmanuel Vadot #size-cells = <0>; 605def4c47SEmmanuel Vadot charger: battery-charger@68 { 615def4c47SEmmanuel Vadot compatible = "lltc,ltc4162-l"; 625def4c47SEmmanuel Vadot reg = <0x68>; 635def4c47SEmmanuel Vadot lltc,rsnsb-micro-ohms = <10000>; 645def4c47SEmmanuel Vadot lltc,rsnsi-micro-ohms = <16000>; 655def4c47SEmmanuel Vadot lltc,cell-count = <2>; 665def4c47SEmmanuel Vadot }; 675def4c47SEmmanuel Vadot }; 68