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
7 title: Qualcomm's LAB(LCD AMOLED Boost)/IBB(Inverting Buck Boost) Regulator
8
9 maintainers:
10 - Sumit Semwal <sumit.semwal@linaro.org>
11
12 description:
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
17 properties:
18 compatible:
19 const: qcom,pmi8998-lab-ibb
20
21 lab:
22 type: object
23 $ref: regulator.yaml#
24 unevaluatedProperties: false
25
26 properties:
27 qcom,soft-start-us:
28 description: Regulator soft start time in microseconds.
29 enum: [200, 400, 600, 800]
30 default: 200
31
32 interrupts:
33 minItems: 1
34 maxItems: 2
35 description:
36 Short-circuit and over-current interrupts for lab.
37
38 interrupt-names:
39 minItems: 1
40 items:
41 - const: sc-err
42 - const: ocp
43
44 required:
45 - interrupts
46 - interrupt-names
47
48 ibb:
49 type: object
50 $ref: regulator.yaml#
51 unevaluatedProperties: false
52
53 properties:
54 qcom,discharge-resistor-kohms:
55 $ref: /schemas/types.yaml#/definitions/uint32
56 description: Discharge resistor value in KiloOhms.
57 enum: [300, 64, 32, 16]
58 default: 300
59
60 interrupts:
61 minItems: 1
62 maxItems: 2
63 description:
64 Short-circuit and over-current interrupts for ibb.
65
66 interrupt-names:
67 minItems: 1
68 items:
69 - const: sc-err
70 - const: ocp
71
72 required:
73 - interrupts
74 - interrupt-names
75
76 required:
77 - compatible
78
79 additionalProperties: false
80
81 examples:
82 - |
83 #include <dt-bindings/interrupt-controller/irq.h>
84
85 labibb {
86 compatible = "qcom,pmi8998-lab-ibb";
87
88 lab {
89 interrupts = <0x3 0xde 0x1 IRQ_TYPE_EDGE_RISING>,
90 <0x3 0xde 0x0 IRQ_TYPE_LEVEL_LOW>;
91 interrupt-names = "sc-err", "ocp";
92 };
93
94 ibb {
95 interrupts = <0x3 0xdc 0x2 IRQ_TYPE_EDGE_RISING>,
96 <0x3 0xdc 0x0 IRQ_TYPE_LEVEL_LOW>;
97 interrupt-names = "sc-err", "ocp";
98 };
99 };
100
101 ...
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