1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/power/supply/active-semi,act8945a-charger.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Active-semi ACT8945A Charger Function
8
9 maintainers:
10 - Sebastian Reichel <sre@kernel.org>
11
12 allOf:
13 - $ref: power-supply.yaml#
14
15 properties:
16 compatible:
17 const: active-semi,act8945a-charger
18
19 interrupts:
20 maxItems: 1
21
22 active-semi,chglev-gpios:
23 maxItems: 1
24 description: charge current level GPIO
25
26 active-semi,lbo-gpios:
27 maxItems: 1
28 description: low battery voltage detect GPIO
29
30 active-semi,input-voltage-threshold-microvolt:
31 description: |
32 Specifies the charger's input over-voltage threshold value.
33 Despite the name, specified values are in millivolt (mV).
34 Defaults to 6.6 V
35 enum: [ 6600, 7000, 7500, 8000 ]
36
37 active-semi,precondition-timeout:
38 $ref: /schemas/types.yaml#/definitions/uint32
39 description: |
40 Specifies the charger's PRECONDITION safety timer setting value in minutes.
41 If 0, it means to disable this timer.
42 Defaults to 40 minutes.
43 enum: [ 0, 40, 60, 80 ]
44
45 active-semi,total-timeout:
46 $ref: /schemas/types.yaml#/definitions/uint32
47 description: |
48 Specifies the charger's total safety timer setting value in hours;
49 If 0, it means to disable this timer;
50 Defaults to 3 hours.
51 enum: [ 0, 3, 4, 5 ]
52
53 required:
54 - compatible
55 - interrupts
56 - active-semi,chglev-gpios
57 - active-semi,lbo-gpios
58
59 additionalProperties: false
60
61 examples:
62 - |
63 #include <dt-bindings/gpio/gpio.h>
64 #include <dt-bindings/interrupt-controller/irq.h>
65 pmic {
66 charger {
67 compatible = "active-semi,act8945a-charger";
68 interrupt-parent = <&pioA>;
69 interrupts = <45 IRQ_TYPE_LEVEL_LOW>;
70 active-semi,chglev-gpios = <&pioA 12 GPIO_ACTIVE_HIGH>;
71 active-semi,lbo-gpios = <&pioA 72 GPIO_ACTIVE_LOW>;
72 active-semi,input-voltage-threshold-microvolt = <6600>;
73 active-semi,precondition-timeout = <40>;
74 active-semi,total-timeout = <3>;
75 };
76 };
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