1 # SPDX-License-Identifier: GPL-2.0
2 # Copyright (C) 2021 Sebastian Reichel
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 BQ2419x Li-Ion Battery Charger
9
10 maintainers:
11 - Sebastian Reichel <sre@kernel.org>
12
13 allOf:
14 - $ref: power-supply.yaml#
15
16 properties:
17 compatible:
18 enum:
19 - ti,bq24190
20 - ti,bq24192
21 - ti,bq24192i
22 - ti,bq24196
23 - ti,bq24296
24
25 reg:
26 maxItems: 1
27
28 interrupts:
29 maxItems: 1
30
31 usb-otg-vbus:
32 $ref: /schemas/regulator/regulator.yaml#
33 description: |
34 Regulator that is used to control the VB
35 either USB host mode or for charging on
36
37 ti,system-minimum-microvolt:
38 description: |
39 when power is connected and the battery
40 the system will be regulated above this
41
42 omit-battery-class:
43 type: boolean
44 description: |
45 If this property is set, the operating s
46 battery device.
47
48 monitored-battery:
49 $ref: /schemas/types.yaml#/definitions/pha
50 description: |
51 phandle to a "simple-battery" compatible
52
53 This property must be a phandle to a nod
54 in battery.yaml, with the following prop
55 - precharge-current-microamp: maximum ch
56 (typically
57 - charge-term-current-microamp: a charge
58 above re
59 setting
60
61 required:
62 - compatible
63 - reg
64 - interrupts
65
66 additionalProperties: false
67
68 examples:
69 - |
70 #include <dt-bindings/gpio/gpio.h>
71 #include <dt-bindings/interrupt-controller
72
73 bat: battery {
74 compatible = "simple-battery";
75 precharge-current-microamp = <256000>;
76 charge-term-current-microamp = <128000>;
77 };
78
79 i2c {
80 #address-cells = <1>;
81 #size-cells = <0>;
82
83 charger@6a {
84 compatible = "ti,bq24190";
85 reg = <0x6a>;
86 interrupt-parent = <&gpiochip>;
87 interrupts = <10 IRQ_TYPE_EDGE_FALLING
88 monitored-battery = <&bat>;
89 ti,system-minimum-microvolt = <3200000
90
91 usb_otg_vbus: usb-otg-vbus { };
92 };
93 };
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