1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/power/suppl !! 4 $id: "http://devicetree.org/schemas/power/supply/twl4030-charger.yaml#"
5 $schema: http://devicetree.org/meta-schemas/co !! 5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
6 6
7 title: TWL4030 BCI (Battery Charger Interface) 7 title: TWL4030 BCI (Battery Charger Interface)
8 8
9 description: | 9 description: |
10 The battery charger needs to interact with t 10 The battery charger needs to interact with the USB phy in order to know when
11 charging is permissible, and when there is a 11 charging is permissible, and when there is a connection or disconnection.
12 12
13 The choice of phy cannot be configured at a 13 The choice of phy cannot be configured at a hardware level, so there is no
14 value in explicit configuration in device-tr 14 value in explicit configuration in device-tree. Rather if there is a sibling
15 of the BCI node which is compatible with "ti 15 of the BCI node which is compatible with "ti,twl4030-usb", then that is used
16 to determine when and how use USB power for 16 to determine when and how use USB power for charging.
17 17
18 maintainers: 18 maintainers:
19 - Sebastian Reichel <sre@kernel.org> 19 - Sebastian Reichel <sre@kernel.org>
20 20
21 allOf: 21 allOf:
22 - $ref: power-supply.yaml# 22 - $ref: power-supply.yaml#
23 23
24 properties: 24 properties:
25 compatible: 25 compatible:
26 const: ti,twl4030-bci 26 const: ti,twl4030-bci
27 27
28 interrupts: 28 interrupts:
29 minItems: 2 29 minItems: 2
30 maxItems: 2 30 maxItems: 2
31 31
32 ti,bb-uvolt: 32 ti,bb-uvolt:
33 $ref: /schemas/types.yaml#/definitions/uin 33 $ref: /schemas/types.yaml#/definitions/uint32
34 description: microvolts for charging the b 34 description: microvolts for charging the backup battery
35 35
36 ti,bb-uamp: 36 ti,bb-uamp:
37 $ref: /schemas/types.yaml#/definitions/uin 37 $ref: /schemas/types.yaml#/definitions/uint32
38 description: microamps for charging the ba 38 description: microamps for charging the backup battery
39 39
40 io-channels: 40 io-channels:
41 items: 41 items:
42 - description: Accessory Charger Voltage 42 - description: Accessory Charger Voltage Channel
43 43
44 io-channel-names: 44 io-channel-names:
45 items: 45 items:
46 - const: vac 46 - const: vac
47 47
48 bci3v1-supply: 48 bci3v1-supply:
49 description: 3.1V USB regulator 49 description: 3.1V USB regulator
50 50
51 required: 51 required:
52 - compatible 52 - compatible
53 - interrupts 53 - interrupts
54 54
55 additionalProperties: false 55 additionalProperties: false
56 56
57 examples: 57 examples:
58 - | 58 - |
59 pmic { 59 pmic {
60 charger { 60 charger {
61 compatible = "ti,twl4030-bci"; 61 compatible = "ti,twl4030-bci";
62 interrupts = <9>, <2>; 62 interrupts = <9>, <2>;
63 ti,bb-uvolt = <3200000>; 63 ti,bb-uvolt = <3200000>;
64 ti,bb-uamp = <150>; 64 ti,bb-uamp = <150>;
65 io-channels = <&twl_madc 11>; 65 io-channels = <&twl_madc 11>;
66 io-channel-names = "vac"; 66 io-channel-names = "vac";
67 }; 67 };
68 }; 68 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.