xref: /linux/Documentation/devicetree/bindings/power/supply/qcom,pm8941-coincell.yaml (revision b8ad34ce75a2e029946d7bf6832c363ce5578e39) 
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/power/supply/qcom,pm8941-coincell.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm Coincell Charger
8
9description: |
10  The hardware block controls charging for a coincell or capacitor that is
11  used to provide power backup for certain features of the power management
12  IC (PMIC)
13
14maintainers:
15  - Sebastian Reichel <sre@kernel.org>
16
17properties:
18  compatible:
19    oneOf:
20      - items:
21          - enum:
22              - qcom,pm8998-coincell
23          - const: qcom,pm8941-coincell
24
25      - const: qcom,pm8941-coincell
26
27  reg:
28    maxItems: 1
29
30  qcom,rset-ohms:
31    description: resistance (in ohms) for current-limiting resistor
32    enum: [ 800, 1200, 1700, 2100 ]
33
34  qcom,vset-millivolts:
35    $ref: /schemas/types.yaml#/definitions/uint32
36    description: voltage (in millivolts) to apply for charging
37    enum: [ 2500, 3000, 3100, 3200 ]
38
39  qcom,charger-disable:
40    type: boolean
41    description: defining this property disables charging
42
43required:
44  - compatible
45  - reg
46  - qcom,rset-ohms
47  - qcom,vset-millivolts
48
49additionalProperties: false
50
51examples:
52  - |
53    pmic {
54      #address-cells = <1>;
55      #size-cells = <0>;
56
57      charger@2800 {
58        compatible = "qcom,pm8941-coincell";
59        reg = <0x2800>;
60        qcom,rset-ohms = <2100>;
61        qcom,vset-millivolts = <3000>;
62      };
63    };
64