1# SPDX-License-Identifier: GPL-2.0 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/power/supply/ti,lp8727.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Binding for TI/National Semiconductor LP8727 Charger 8 9maintainers: 10 - Sebastian Reichel <sre@kernel.org> 11 12allOf: 13 - $ref: power-supply.yaml# 14 15properties: 16 compatible: 17 const: ti,lp8727 18 19 reg: 20 const: 0x27 21 22 interrupts: 23 maxItems: 1 24 25 debounce-ms: 26 description: interrupt debounce time in ms 27 28patternProperties: 29 '^(ac|usb)$': 30 type: object 31 description: USB/AC charging parameters 32 properties: 33 charger-type: 34 enum: 35 - ac 36 - usb 37 38 eoc-level: 39 $ref: /schemas/types.yaml#/definitions/uint8 40 minimum: 0 41 maximum: 6 42 description: | 43 End of Charge Percentage with the following mapping: 44 0 = 5%, 1 = 10%, 2 = 16%, 3 = 20%, 4 = 25%, 5 = 33%, 6 = 50% 45 46 charging-current: 47 $ref: /schemas/types.yaml#/definitions/uint8 48 minimum: 0 49 maximum: 9 50 description: | 51 Charging current with the following mapping: 52 0 = 90mA, 1 = 100mA, 2 = 400mA, 3 = 450mA, 4 = 500mA, 5 = 600mA, 53 6 = 700mA, 7 = 800mA, 8 = 900mA, 9 = 1000mA 54 55required: 56 - compatible 57 - reg 58 59additionalProperties: false 60 61examples: 62 - | 63 #include <dt-bindings/interrupt-controller/irq.h> 64 i2c0 { 65 #address-cells = <1>; 66 #size-cells = <0>; 67 68 lp8727: charger@27 { 69 compatible = "ti,lp8727"; 70 reg = <0x27>; 71 interrupt-parent = <&gpio5>; 72 interrupts = <6 IRQ_TYPE_EDGE_FALLING>; 73 debounce-ms = <300>; 74 75 /* AC charger: 5% EOC and 500mA charging current */ 76 ac { 77 charger-type = "ac"; 78 eoc-level = /bits/ 8 <0>; 79 charging-current = /bits/ 8 <4>; 80 }; 81 82 /* USB charger: 10% EOC and 400mA charging current */ 83 usb { 84 charger-type = "usb"; 85 eoc-level = /bits/ 8 <1>; 86 charging-current = /bits/ 8 <2>; 87 }; 88 }; 89 }; 90