xref: /linux/Documentation/devicetree/bindings/regulator/qcom-labibb-regulator.yaml (revision 7f71507851fc7764b36a3221839607d3a45c2025) 
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/regulator/qcom-labibb-regulator.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm's LAB(LCD AMOLED Boost)/IBB(Inverting Buck Boost) Regulator
8
9maintainers:
10  - Sumit Semwal <sumit.semwal@linaro.org>
11
12description:
13  LAB can be used as a positive boost power supply and IBB can be used as a
14  negative boost power supply for display panels. Currently implemented for
15  pmi8998.
16
17properties:
18  compatible:
19    oneOf:
20      - const: qcom,pmi8998-lab-ibb
21      - items:
22          - enum:
23              - qcom,pmi8950-lab-ibb
24          - const: qcom,pmi8998-lab-ibb
25
26  lab:
27    type: object
28    $ref: regulator.yaml#
29    unevaluatedProperties: false
30
31    properties:
32      qcom,soft-start-us:
33        description: Regulator soft start time in microseconds.
34        enum: [200, 400, 600, 800]
35        default: 200
36
37      interrupts:
38        minItems: 1
39        maxItems: 2
40        description:
41          Short-circuit and over-current interrupts for lab.
42
43      interrupt-names:
44        minItems: 1
45        items:
46          - const: sc-err
47          - const: ocp
48
49    required:
50      - interrupts
51      - interrupt-names
52
53  ibb:
54    type: object
55    $ref: regulator.yaml#
56    unevaluatedProperties: false
57
58    properties:
59      qcom,discharge-resistor-kohms:
60        $ref: /schemas/types.yaml#/definitions/uint32
61        description: Discharge resistor value in KiloOhms.
62        enum: [300, 64, 32, 16]
63        default: 300
64
65      interrupts:
66        minItems: 1
67        maxItems: 2
68        description:
69          Short-circuit and over-current interrupts for ibb.
70
71      interrupt-names:
72        minItems: 1
73        items:
74          - const: sc-err
75          - const: ocp
76
77    required:
78      - interrupts
79      - interrupt-names
80
81required:
82  - compatible
83
84additionalProperties: false
85
86examples:
87  - |
88    #include <dt-bindings/interrupt-controller/irq.h>
89
90    labibb {
91      compatible = "qcom,pmi8998-lab-ibb";
92
93      lab {
94        interrupts = <0x3 0xde 0x1 IRQ_TYPE_EDGE_RISING>,
95                     <0x3 0xde 0x0 IRQ_TYPE_LEVEL_LOW>;
96        interrupt-names = "sc-err", "ocp";
97      };
98
99      ibb {
100        interrupts = <0x3 0xdc 0x2 IRQ_TYPE_EDGE_RISING>,
101                     <0x3 0xdc 0x0 IRQ_TYPE_LEVEL_LOW>;
102        interrupt-names = "sc-err", "ocp";
103      };
104    };
105
106...
107