1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-C 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 4
5 $id: http://devicetree.org/schemas/hwmon/maxim 5 $id: http://devicetree.org/schemas/hwmon/maxim,max20730.yaml#
6 $schema: http://devicetree.org/meta-schemas/co 6 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 7
8 title: Maxim max20730 8 title: Maxim max20730
9 9
10 maintainers: 10 maintainers:
11 - Jean Delvare <jdelvare@suse.com> 11 - Jean Delvare <jdelvare@suse.com>
12 - Guenter Roeck <linux@roeck-us.net> 12 - Guenter Roeck <linux@roeck-us.net>
13 13
14 description: | 14 description: |
15 The MAX20730 is a fully integrated, highly e 15 The MAX20730 is a fully integrated, highly efficient switching regulator
16 with PMBus for applications operating from 4 16 with PMBus for applications operating from 4.5V to 16V and requiring
17 up to 25A (max) load. This single-chip regul 17 up to 25A (max) load. This single-chip regulator provides extremely
18 compact, high efficiency power-delivery solu 18 compact, high efficiency power-delivery solutions with high-precision
19 output voltages and excellent transient resp 19 output voltages and excellent transient response.
20 20
21 Datasheets: 21 Datasheets:
22 https://datasheets.maximintegrated.com/en/ 22 https://datasheets.maximintegrated.com/en/ds/MAX20730.pdf
23 https://datasheets.maximintegrated.com/en/ 23 https://datasheets.maximintegrated.com/en/ds/MAX20734.pdf
24 https://datasheets.maximintegrated.com/en/ 24 https://datasheets.maximintegrated.com/en/ds/MAX20743.pdf
25 25
26 properties: 26 properties:
27 compatible: 27 compatible:
28 enum: 28 enum:
29 - maxim,max20730 29 - maxim,max20730
30 - maxim,max20734 30 - maxim,max20734
31 - maxim,max20743 31 - maxim,max20743
32 32
33 reg: 33 reg:
34 maxItems: 1 34 maxItems: 1
35 35
36 vout-voltage-divider: 36 vout-voltage-divider:
37 description: | 37 description: |
38 If voltage divider present at vout, the 38 If voltage divider present at vout, the voltage at voltage sensor pin
39 will be scaled. The properties will conv 39 will be scaled. The properties will convert the raw reading to a more
40 meaningful number if voltage divider pre 40 meaningful number if voltage divider present. It has two numbers,
41 the first number is the output resistor, 41 the first number is the output resistor, the second number is the total
42 resistance. Therefore, the adjusted vout 42 resistance. Therefore, the adjusted vout is equal to
43 Vout = Vout * output_resistance / total 43 Vout = Vout * output_resistance / total resistance.
44 $ref: /schemas/types.yaml#/definitions/uin 44 $ref: /schemas/types.yaml#/definitions/uint32-array
45 minItems: 2 45 minItems: 2
46 maxItems: 2 46 maxItems: 2
47 47
48 required: 48 required:
49 - compatible 49 - compatible
50 - reg 50 - reg
51 51
52 additionalProperties: false 52 additionalProperties: false
53 53
54 examples: 54 examples:
55 - | 55 - |
56 i2c { 56 i2c {
57 #address-cells = <1>; 57 #address-cells = <1>;
58 #size-cells = <0>; 58 #size-cells = <0>;
59 59
60 max20730@10 { 60 max20730@10 {
61 compatible = "maxim,max20730"; 61 compatible = "maxim,max20730";
62 reg = <0x10>; 62 reg = <0x10>;
63 vout-voltage-divider = <1000 2000>; // 63 vout-voltage-divider = <1000 2000>; // vout would be scaled to 0.5
64 }; 64 };
65 }; 65 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.