1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-C
2 # Copyright (C) 2020 Texas Instruments Incorpo
3 %YAML 1.2
4 ---
5 $id: http://devicetree.org/schemas/power/suppl
6 $schema: http://devicetree.org/meta-schemas/co
7
8 title: TI bq2515x 500-mA Linear charger family
9
10 maintainers:
11 - Andrew Davis <afd@ti.com>
12
13 description: |
14 The BQ2515x family is a highly integrated ba
15 integrates the most common functions for wea
16 an output voltage rail, ADC for battery and
17 push-button controller.
18
19 Specifications about the charger can be foun
20 http://www.ti.com/lit/ds/symlink/bq25150.p
21 http://www.ti.com/lit/ds/symlink/bq25155.p
22
23 properties:
24 compatible:
25 enum:
26 - ti,bq25150
27 - ti,bq25155
28
29 reg:
30 maxItems: 1
31 description: I2C address of the charger.
32
33 ac-detect-gpios:
34 description: |
35 GPIO used for connecting the bq2515x de
36 pin.
37 maxItems: 1
38
39 reset-gpios:
40 description: GPIO used for hardware reset.
41 maxItems: 1
42
43 powerdown-gpios:
44 description: GPIO used for low power mode
45 maxItems: 1
46
47 charge-enable-gpios:
48 description: GPIO used to turn on and off
49 maxItems: 1
50
51 input-current-limit-microamp:
52 description: Maximum input current in micr
53 minimum: 50000
54 maximum: 500000
55
56 monitored-battery:
57 $ref: /schemas/types.yaml#/definitions/pha
58 description: phandle to the battery node b
59
60 required:
61 - compatible
62 - reg
63 - monitored-battery
64
65 additionalProperties: false
66
67 examples:
68 - |
69 bat: battery {
70 compatible = "simple-battery";
71 constant-charge-current-max-microamp = <
72 precharge-current-microamp = <2500>;
73 constant-charge-voltage-max-microvolt =
74 };
75 #include <dt-bindings/gpio/gpio.h>
76 i2c {
77 #address-cells = <1>;
78 #size-cells = <0>;
79
80 bq25150: charger@6b {
81 compatible = "ti,bq25150";
82 reg = <0x6b>;
83 monitored-battery = <&bat>;
84 input-current-limit-microamp = <100000
85
86 ac-detect-gpios = <&gpio1 28 GPIO_ACTI
87 reset-gpios = <&gpio0 14 GPIO_ACTIVE_H
88 powerdown-gpios = <&gpio0 15 GPIO_ACTI
89 charge-enable-gpios = <&gpio0 13 GPIO_
90 };
91 };
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