Lines Matching +full:in +full:- +full:gpios

1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/gpio-charger.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: simple battery chargers only communicating through GPIOs
10   - Sebastian Reichel <sre@kernel.org>
14   autonomously, only providing some status GPIOs and possibly some
15   GPIOs for limited control over the charging process.
19     const: gpio-charger
21   charger-type:
23       - unknown
24       - battery
25       - ups
26       - mains
27       - usb-sdp                   # USB standard downstream port
28       - usb-dcp                   # USB dedicated charging port
29       - usb-cdp                   # USB charging downstream port
30       - usb-aca                   # USB accessory charger adapter
34   gpios:
38   charge-status-gpios:
42   charge-current-limit-gpios:
45     description: GPIOs used for current limiting
47   charge-current-limit-mapping:
48     description: List of tuples with current in uA and a GPIO bitmap (in
49       this order). The tuples must be provided in descending order of the
51     $ref: /schemas/types.yaml#/definitions/uint32-matrix
54         - description:
55             Current limit in uA
56         - description:
58             charge-current-limit-gpios property. Bit 1 second to last
62   - compatible
65   - required:
66       - gpios
67   - required:
68       - charge-status-gpios
69   - required:
70       - charge-current-limit-gpios
73   charge-current-limit-gpios: [ charge-current-limit-mapping ]
74   charge-current-limit-mapping: [ charge-current-limit-gpios ]
79   - |
80     #include <dt-bindings/gpio/gpio.h>
83       compatible = "gpio-charger";
84       charger-type = "usb-sdp";
86       gpios = <&gpd 28 GPIO_ACTIVE_LOW>;
87       charge-status-gpios = <&gpc 27 GPIO_ACTIVE_LOW>;
89       charge-current-limit-gpios = <&gpioA 11 GPIO_ACTIVE_HIGH>,
91       charge-current-limit-mapping = <2500000 0x00>, // 2.5 A => both GPIOs low