| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | |
| 7 | title: TI/National Semiconductor LP8727 Charger |
| 8 | |
| 9 | maintainers: |
| 10 | - Sebastian Reichel <sre@kernel.org> |
| 11 | |
| 12 | allOf: |
| 13 | - $ref: power-supply.yaml# |
| 14 | |
| 15 | properties: |
| 16 | compatible: |
| 17 | const: ti,lp8727 |
| 18 | |
| 19 | reg: |
| 20 | const: 0x27 |
| 21 | |
| 22 | interrupts: |
| 23 | maxItems: 1 |
| 24 | |
| 25 | debounce-ms: |
| 26 | description: interrupt debounce time in ms |
| 27 | |
| 28 | patternProperties: |
| 29 | '^(ac|usb)$': |
| 30 | type: object |
| 31 | additionalProperties: false |
| 32 | description: USB/AC charging parameters |
| 33 | properties: |
| 34 | charger-type: |
| 35 | enum: |
| 36 | - ac |
| 37 | - usb |
| 38 | |
| 39 | eoc-level: |
| 40 | $ref: /schemas/types.yaml#/definitions/uint8 |
| 41 | minimum: 0 |
| 42 | maximum: 6 |
| 43 | description: | |
| 44 | End of Charge Percentage with the following mapping: |
| 45 | 0 = 5%, 1 = 10%, 2 = 16%, 3 = 20%, 4 = 25%, 5 = 33%, 6 = 50% |
| 46 | |
| 47 | charging-current: |
| 48 | $ref: /schemas/types.yaml#/definitions/uint8 |
| 49 | minimum: 0 |
| 50 | maximum: 9 |
| 51 | description: | |
| 52 | Charging current with the following mapping: |
| 53 | 0 = 90mA, 1 = 100mA, 2 = 400mA, 3 = 450mA, 4 = 500mA, 5 = 600mA, |
| 54 | 6 = 700mA, 7 = 800mA, 8 = 900mA, 9 = 1000mA |
| 55 | |
| 56 | required: |
| 57 | - compatible |
| 58 | - reg |
| 59 | |
| 60 | additionalProperties: false |
| 61 | |
| 62 | examples: |
| 63 | - | |
| 64 | #include <dt-bindings/interrupt-controller/irq.h> |
| 65 | i2c { |
| 66 | #address-cells = <1>; |
| 67 | #size-cells = <0>; |
| 68 | |
| 69 | lp8727: charger@27 { |
| 70 | compatible = "ti,lp8727"; |
| 71 | reg = <0x27>; |
| 72 | interrupt-parent = <&gpio5>; |
| 73 | interrupts = <6 IRQ_TYPE_EDGE_FALLING>; |
| 74 | debounce-ms = <300>; |
| 75 | |
| 76 | /* AC charger: 5% EOC and 500mA charging current */ |
| 77 | ac { |
| 78 | charger-type = "ac"; |
| 79 | eoc-level = /bits/ 8 <0>; |
| 80 | charging-current = /bits/ 8 <4>; |
| 81 | }; |
| 82 | |
| 83 | /* USB charger: 10% EOC and 400mA charging current */ |
| 84 | usb { |
| 85 | charger-type = "usb"; |
| 86 | eoc-level = /bits/ 8 <1>; |
| 87 | charging-current = /bits/ 8 <2>; |
| 88 | }; |
| 89 | }; |
| 90 | }; |