1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/regulator/mps,mpq7920.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Monolithic Power System MPQ7920 PMIC
maintainers:
- Saravanan Sekar <sravanhome@gmail.com>
properties:
$nodename:
pattern: "pmic@[0-9a-f]{1,2}"
compatible:
enum:
- mps,mpq7920
reg:
maxItems: 1
regulators:
type: object
allOf:
- $ref: regulator.yaml#
description: |
list of regulators provided by this controller, must be named
after their hardware counterparts BUCK[1-4], one LDORTC, and LDO[2-5]
properties:
mps,switch-freq:
allOf:
- $ref: "/schemas/types.yaml#/definitions/uint8"
enum: [ 0, 1, 2, 3 ]
default: 2
description: |
switching frequency must be one of following corresponding value
1.1MHz, 1.65MHz, 2.2MHz, 2.75MHz
patternProperties:
"^ldo[1-4]$":
type: object
allOf:
- $ref: regulator.yaml#
"^ldortc$":
type: object
allOf:
- $ref: regulator.yaml#
"^buck[1-4]$":
type: object
allOf:
- $ref: regulator.yaml#
properties:
mps,buck-softstart:
allOf:
- $ref: "/schemas/types.yaml#/definitions/uint8"
enum: [ 0, 1, 2, 3 ]
description: |
defines the soft start time of this buck, must be one of the following
corresponding values 150us, 300us, 610us, 920us
mps,buck-phase-delay:
allOf:
- $ref: "/schemas/types.yaml#/definitions/uint8"
enum: [ 0, 1, 2, 3 ]
description: |
defines the phase delay of this buck, must be one of the following
corresponding values 0deg, 90deg, 180deg, 270deg
mps,buck-ovp-disable:
type: boolean
description: |
disables over voltage protection of this buck
additionalProperties: false
additionalProperties: false
required:
- compatible
- reg
- regulators
additionalProperties: false
examples:
- |
i2c {
#address-cells = <1>;
#size-cells = <0>;
pmic@69 {
compatible = "mps,mpq7920";
reg = <0x69>;
regulators {
mps,switch-freq = /bits/ 8 <1>;
buck1 {
regulator-name = "buck1";
regulator-min-microvolt = <400000>;
regulator-max-microvolt = <3587500>;
regulator-min-microamp = <460000>;
regulator-max-microamp = <7600000>;
regulator-boot-on;
mps,buck-ovp-disable;
mps,buck-phase-delay = /bits/ 8 <2>;
mps,buck-softstart = /bits/ 8 <1>;
};
ldo2 {
regulator-name = "ldo2";
regulator-min-microvolt = <650000>;
regulator-max-microvolt = <3587500>;
};
};
};
};
...
|
