| # SPDX-License-Identifier: GPL-2.0 |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/power/supply/gpio-charger.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: simple battery chargers only communicating through GPIOs |
| |
| maintainers: |
| - Sebastian Reichel <sre@kernel.org> |
| |
| description: |
| This binding is for all chargers, which are working more or less |
| autonomously, only providing some status GPIOs and possibly some |
| GPIOs for limited control over the charging process. |
| |
| properties: |
| compatible: |
| const: gpio-charger |
| |
| charger-type: |
| enum: |
| - unknown |
| - battery |
| - ups |
| - mains |
| - usb-sdp # USB standard downstream port |
| - usb-dcp # USB dedicated charging port |
| - usb-cdp # USB charging downstream port |
| - usb-aca # USB accessory charger adapter |
| description: |
| Type of the charger, e.g. "mains" for a wall charger. |
| |
| gpios: |
| maxItems: 1 |
| description: GPIO indicating the charger presence |
| |
| charge-status-gpios: |
| maxItems: 1 |
| description: GPIO indicating the charging status |
| |
| required: |
| - compatible |
| |
| anyOf: |
| - required: |
| - gpios |
| - required: |
| - charge-status-gpios |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/gpio/gpio.h> |
| |
| charger { |
| compatible = "gpio-charger"; |
| charger-type = "usb-sdp"; |
| |
| gpios = <&gpd 28 GPIO_ACTIVE_LOW>; |
| charge-status-gpios = <&gpc 27 GPIO_ACTIVE_LOW>; |
| }; |
