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/supply/cpcap-charger.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
7
8 title: Motorola CPCAP PMIC charger
9
10 maintainers:
11 - Tony Lindgren <tony@atomide.com>
12 - Sebastian Reichel <sre@kernel.org>
13
14 description: |
15 Motorola CPCAP is a PMIC found in some mobile phones, e.g.
16 the Droid 4. This binding describes its battery charger
17 sub-function.
18
19 allOf:
20 - $ref: power-supply.yaml#
21
22 properties:
23 compatible:
24 const: motorola,mapphone-cpcap-charger
25
26 interrupts:
27 items:
28 - description: charger detection interrupt
29 - description: reverse charge interrupt
30 - description: SE1 charger detection interrupt
31 - description: SE0 charger detection interrupt
32 - description: reverse mode interrupt
33 - description: charge current 2 interrupt
34 - description: charge current 1 interrupt
35 - description: VBUS valid interrupt
36 - description: battery detect interrupt
37
38 interrupt-names:
39 items:
40 - const: chrg_det
41 - const: rvrs_chrg
42 - const: chrg_se1b
43 - const: se0conn
44 - const: rvrs_mode
45 - const: chrgcurr2
46 - const: chrgcurr1
47 - const: vbusvld
48 - const: battdetb
49
50 io-channels:
51 items:
52 - description: battery temperature
53 - description: battery voltage
54 - description: VBUS voltage
55 - description: battery charge current
56 - description: battery current
57
58 io-channel-names:
59 items:
60 - const: battdetb
61 - const: battp
62 - const: vbus
63 - const: chg_isense
64 - const: batti
65
66 mode-gpios:
67 description: |
68 Optionally CPCAP charger can have a companion wireless
69 charge controller that is controlled with two GPIOs
70 that are active low.
71 minItems: 2
72 maxItems: 2
73
74 required:
75 - compatible
76 - interrupts
77 - interrupt-names
78 - io-channels
79 - io-channel-names
80
81 additionalProperties: false
82
83 examples:
84 - |
85 #include <dt-bindings/gpio/gpio.h>
86 cpcap {
87 charger {
88 compatible = "motorola,mapphone-cpcap-charger";
89 interrupts-extended =
90 <&cpcap 13 0>, <&cpcap 12 0>, <&cpcap 29 0>, <&cpcap 28 0>,
91 <&cpcap 22 0>, <&cpcap 21 0>, <&cpcap 20 0>, <&cpcap 19 0>,
92 <&cpcap 54 0>;
93 interrupt-names =
94 "chrg_det", "rvrs_chrg", "chrg_se1b", "se0conn",
95 "rvrs_mode", "chrgcurr2", "chrgcurr1", "vbusvld",
96 "battdetb";
97 mode-gpios = <&gpio3 29 GPIO_ACTIVE_LOW>,
98 <&gpio3 23 GPIO_ACTIVE_LOW>;
99 io-channels = <&cpcap_adc 0>, <&cpcap_adc 1>,
100 <&cpcap_adc 2>, <&cpcap_adc 5>,
101 <&cpcap_adc 6>;
102 io-channel-names = "battdetb", "battp",
103 "vbus", "chg_isense",
104 "batti";
105 };
106 };
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