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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/power/supply/maxim,max8903.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Maxim Semiconductor MAX8903 Battery Charger
maintainers:
- Sebastian Reichel <sre@kernel.org>
allOf:
- $ref: power-supply.yaml#
properties:
compatible:
const: maxim,max8903
dok-gpios:
maxItems: 1
description: Valid DC power has been detected (active low, input)
uok-gpios:
maxItems: 1
description: Valid USB power has been detected (active low, input)
cen-gpios:
maxItems: 1
description: Charge enable pin (active low, output)
chg-gpios:
maxItems: 1
description: Charger status pin (active low, input)
flt-gpios:
maxItems: 1
description: Fault pin (active low, output)
dcm-gpios:
maxItems: 1
description: Current limit mode setting (DC=1 or USB=0, output)
usus-gpios:
maxItems: 1
description: USB suspend pin (active high, output)
required:
- compatible
anyOf:
- required:
- dok-gpios
- required:
- uok-gpios
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
charger {
compatible = "maxim,max8903";
dok-gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
flt-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>;
chg-gpios = <&gpio3 15 GPIO_ACTIVE_LOW>;
cen-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>;
};
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