xref: /freebsd/sys/contrib/device-tree/Bindings/regulator/richtek,rt6245-regulator.yaml (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a) 
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/regulator/richtek,rt6245-regulator.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Richtek RT6245 High Current Voltage Regulator
8
9maintainers:
10  - ChiYuan Huang <cy_huang@richtek.com>
11
12description: |
13  The RT6245 is a high-performance, synchronous step-down converter
14  that can deliver up to 14A output current with an input supply
15  voltage range of 4.5V to 17V.
16
17allOf:
18  - $ref: regulator.yaml#
19
20properties:
21  compatible:
22    enum:
23      - richtek,rt6245
24
25  reg:
26    maxItems: 1
27
28  enable-gpios:
29    description: |
30      A connection of the chip 'enable' gpio line. If not provided,
31      it will be treat as a default-on power.
32    maxItems: 1
33
34  richtek,oc-level-select:
35    $ref: /schemas/types.yaml#/definitions/uint8
36    enum: [0, 1, 2, 3]
37    description: |
38      Over current level selection. Each respective value means the current
39      limit 8A, 14A, 12A, 10A. If this property is missing then keep in
40      in chip default.
41
42  richtek,ot-level-select:
43    $ref: /schemas/types.yaml#/definitions/uint8
44    enum: [0, 1, 2]
45    description: |
46      Over temperature level selection. Each respective value means the degree
47      150'c, 130'c, 170'c. If this property is missing then keep in chip
48      default.
49
50  richtek,pgdly-time-select:
51    $ref: /schemas/types.yaml#/definitions/uint8
52    enum: [0, 1, 2, 3]
53    description: |
54      Power good signal delay time selection. Each respective value means the
55      delay time 0us, 10us, 20us, 40us. If this property is missing then keep
56      in chip default.
57
58
59  richtek,switch-freq-select:
60    $ref: /schemas/types.yaml#/definitions/uint8
61    enum: [0, 1, 2]
62    description: |
63      Buck switch frequency selection. Each respective value means 400KHz,
64      800KHz, 1200KHz. If this property is missing then keep in chip default.
65
66required:
67  - compatible
68  - reg
69
70unevaluatedProperties: false
71
72examples:
73  - |
74    i2c {
75      #address-cells = <1>;
76      #size-cells = <0>;
77
78      rt6245@34 {
79        compatible = "richtek,rt6245";
80        reg = <0x34>;
81        enable-gpios = <&gpio26 2 0>;
82
83        regulator-name = "rt6245-regulator";
84        regulator-min-microvolt = <437500>;
85        regulator-max-microvolt = <1387500>;
86        regulator-boot-on;
87      };
88    };
89