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/qcom,pm8941-coincell.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Qualcomm Coincell Charger 7 title: Qualcomm Coincell Charger
8 8
9 description: | 9 description: |
10 The hardware block controls charging for a c 10 The hardware block controls charging for a coincell or capacitor that is
11 used to provide power backup for certain fea 11 used to provide power backup for certain features of the power management
12 IC (PMIC) 12 IC (PMIC)
13 13
14 maintainers: 14 maintainers:
15 - Sebastian Reichel <sre@kernel.org> 15 - Sebastian Reichel <sre@kernel.org>
16 16
17 properties: 17 properties:
18 compatible: 18 compatible:
19 oneOf: 19 oneOf:
20 - items: 20 - items:
21 - enum: 21 - enum:
22 - qcom,pm8998-coincell 22 - qcom,pm8998-coincell
23 - const: qcom,pm8941-coincell 23 - const: qcom,pm8941-coincell
24 24
25 - const: qcom,pm8941-coincell 25 - const: qcom,pm8941-coincell
26 26
27 reg: 27 reg:
28 maxItems: 1 28 maxItems: 1
29 29
30 qcom,rset-ohms: 30 qcom,rset-ohms:
31 description: | 31 description: |
32 Resistance (in ohms) for current-limitin 32 Resistance (in ohms) for current-limiting resistor. If unspecified,
33 inherit the previous configuration (e.g. 33 inherit the previous configuration (e.g. from bootloader or hardware
34 default value). 34 default value).
35 enum: [ 800, 1200, 1700, 2100 ] 35 enum: [ 800, 1200, 1700, 2100 ]
36 36
37 qcom,vset-millivolts: 37 qcom,vset-millivolts:
38 $ref: /schemas/types.yaml#/definitions/uin 38 $ref: /schemas/types.yaml#/definitions/uint32
39 description: | 39 description: |
40 Voltage (in millivolts) to apply for cha 40 Voltage (in millivolts) to apply for charging. If unspecified, inherit
41 the previous configuration (e.g. from bo 41 the previous configuration (e.g. from bootloader or hardware default
42 value). 42 value).
43 enum: [ 2500, 3000, 3100, 3200 ] 43 enum: [ 2500, 3000, 3100, 3200 ]
44 44
45 qcom,charger-disable: 45 qcom,charger-disable:
46 type: boolean 46 type: boolean
47 description: defining this property disabl 47 description: defining this property disables charging
48 48
49 required: 49 required:
50 - compatible 50 - compatible
51 - reg 51 - reg
52 52
53 additionalProperties: false 53 additionalProperties: false
54 54
55 examples: 55 examples:
56 - | 56 - |
57 pmic { 57 pmic {
58 #address-cells = <1>; 58 #address-cells = <1>;
59 #size-cells = <0>; 59 #size-cells = <0>;
60 60
61 charger@2800 { 61 charger@2800 {
62 compatible = "qcom,pm8941-coincell"; 62 compatible = "qcom,pm8941-coincell";
63 reg = <0x2800>; 63 reg = <0x2800>;
64 qcom,rset-ohms = <2100>; 64 qcom,rset-ohms = <2100>;
65 qcom,vset-millivolts = <3000>; 65 qcom,vset-millivolts = <3000>;
66 }; 66 };
67 }; 67 };
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