2023-08-30 17:31:07 +02:00
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# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/power/supply/ti,lp8727.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: TI/National Semiconductor LP8727 Charger
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maintainers:
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- Sebastian Reichel <sre@kernel.org>
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allOf:
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- $ref: power-supply.yaml#
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properties:
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compatible:
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const: ti,lp8727
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reg:
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const: 0x27
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interrupts:
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maxItems: 1
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debounce-ms:
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description: interrupt debounce time in ms
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patternProperties:
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'^(ac|usb)$':
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type: object
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2023-10-24 12:59:35 +02:00
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additionalProperties: false
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2023-08-30 17:31:07 +02:00
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description: USB/AC charging parameters
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properties:
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charger-type:
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enum:
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- ac
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- usb
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eoc-level:
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$ref: /schemas/types.yaml#/definitions/uint8
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minimum: 0
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maximum: 6
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description: |
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End of Charge Percentage with the following mapping:
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0 = 5%, 1 = 10%, 2 = 16%, 3 = 20%, 4 = 25%, 5 = 33%, 6 = 50%
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charging-current:
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$ref: /schemas/types.yaml#/definitions/uint8
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minimum: 0
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maximum: 9
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description: |
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Charging current with the following mapping:
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0 = 90mA, 1 = 100mA, 2 = 400mA, 3 = 450mA, 4 = 500mA, 5 = 600mA,
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6 = 700mA, 7 = 800mA, 8 = 900mA, 9 = 1000mA
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required:
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- compatible
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- reg
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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i2c {
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2023-08-30 17:31:07 +02:00
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#address-cells = <1>;
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#size-cells = <0>;
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lp8727: charger@27 {
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compatible = "ti,lp8727";
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reg = <0x27>;
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interrupt-parent = <&gpio5>;
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interrupts = <6 IRQ_TYPE_EDGE_FALLING>;
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debounce-ms = <300>;
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/* AC charger: 5% EOC and 500mA charging current */
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ac {
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charger-type = "ac";
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eoc-level = /bits/ 8 <0>;
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charging-current = /bits/ 8 <4>;
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};
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/* USB charger: 10% EOC and 400mA charging current */
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usb {
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charger-type = "usb";
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eoc-level = /bits/ 8 <1>;
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charging-current = /bits/ 8 <2>;
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};
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};
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};
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