Lines Matching +full:current +full:- +full:limit +full:- +full:microamp
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#
10 - Sebastian Reichel <[email protected]>
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
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
50 current limit.
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
61 charge-current-limit-default-microamp:
62 description: Default charge current limit. Must be listed in
63 charge-current-limit-mapping.
66 - compatible
69 - required:
70 - gpios
71 - required:
72 - charge-status-gpios
73 - required:
74 - charge-current-limit-gpios
77 charge-current-limit-gpios: [ charge-current-limit-mapping ]
78 charge-current-limit-mapping: [ charge-current-limit-gpios ]
79 charge-current-limit-default-microamp: [charge-current-limit-mapping]
84 - |
85 #include <dt-bindings/gpio/gpio.h>
88 compatible = "gpio-charger";
89 charger-type = "usb-sdp";
92 charge-status-gpios = <&gpc 27 GPIO_ACTIVE_LOW>;
94 charge-current-limit-gpios = <&gpioA 11 GPIO_ACTIVE_HIGH>,
96 charge-current-limit-mapping = <2500000 0x00>, // 2.5 A => both GPIOs low
99 charge-current-limit-default-microamp = <700000>;