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1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 # Copyright 2022 Analog Devices Inc.
3 %YAML 1.2
4 ---
5 $id: http://devicetree.org/schemas/regulator/adi,max77857.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
7
8 title: Analog Devices MAX77857 Buck-Boost Converter
9
10 maintainers:
11 - Ibrahim Tilki <Ibrahim.Tilki@analog.com>
12 - Okan Sahin <Okan.Sahin@analog.com>
13
14 description: Analog Devices MAX77857 Buck-Boost Converter
15
16 properties:
17 compatible:
18 enum:
19 - adi,max77831
20 - adi,max77857
21 - adi,max77859
22 - adi,max77859a
23
24 reg:
25 description: I2C address of the device
26 items:
27 - enum: [0x66, 0x67, 0x6E, 0x6F]
28
29 interrupts:
30 maxItems: 1
31
32 adi,switch-frequency-hz:
33 description: Switching frequency of the Buck-Boost converter in Hz.
34 items:
35 - enum: [1200000, 1500000, 1800000, 2100000]
36
37 adi,rtop-ohms:
38 description: Top feedback resistor value in ohms for external feedback.
39 minimum: 150000
40 maximum: 330000
41
42 adi,rbot-ohms:
43 description: Bottom feedback resistor value in ohms for external feedback.
44
45 dependencies:
46 adi,rtop-ohms: [ 'adi,rbot-ohms' ]
47 adi,rbot-ohms: [ 'adi,rtop-ohms' ]
48
49 required:
50 - compatible
51 - reg
52
53 allOf:
54 - $ref: regulator.yaml#
55 - if:
56 properties:
57 compatible:
58 contains:
59 enum:
60 - adi,max77831
61
62 then:
63 properties:
64 adi,switch-frequency-hz:
65 items:
66 enum: [1200000, 1500000, 1800000]
67
68 unevaluatedProperties: false
69
70 examples:
71 - |
72 #include <dt-bindings/interrupt-controller/irq.h>
73 i2c {
74 #address-cells = <1>;
75 #size-cells = <0>;
76
77 regulator@66 {
78 reg = <0x66>;
79 compatible = "adi,max77857";
80 interrupt-parent = <&gpio>;
81 interrupts = <26 IRQ_TYPE_EDGE_FALLING>;
82
83 adi,rtop-ohms = <312000>;
84 adi,rbot-ohms = <12000>;
85 };
86 };