xref: /freebsd/sys/contrib/device-tree/Bindings/hwmon/pmbus/mps,mpq8785.yaml (revision ae5de77ed78ae54d86cead5604869212e8008e6b) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/hwmon/pmbus/mps,mpq8785.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Monolithic Power Systems Multiphase Voltage Regulators with PMBus
8
9maintainers:
10  - Charles Hsu <ythsu0511@gmail.com>
11
12description:
13  Monolithic Power Systems digital multiphase voltage regulators with PMBus.
14
15properties:
16  compatible:
17    enum:
18      - mps,mpm3695
19      - mps,mpm3695-25
20      - mps,mpm82504
21      - mps,mpq8785
22
23  reg:
24    maxItems: 1
25
26  mps,vout-fb-divider-ratio-permille:
27    description:
28      The feedback resistor divider ratio, expressed in permille
29      (Vfb / Vout * 1000). This value is written to the PMBUS_VOUT_SCALE_LOOP
30      register and is required for correct output voltage presentation.
31    $ref: /schemas/types.yaml#/definitions/uint32
32    minimum: 1
33    maximum: 4095
34    default: 706
35
36required:
37  - compatible
38  - reg
39
40allOf:
41  - if:
42      properties:
43        compatible:
44          enum:
45            - mps,mpm3695
46            - mps,mpm82504
47    then:
48      properties:
49        mps,vout-fb-divider-ratio-permille:
50          maximum: 1023
51
52  - if:
53      properties:
54        compatible:
55          const: mps,mpq8785
56    then:
57      properties:
58        mps,vout-fb-divider-ratio-permille:
59          maximum: 2047
60
61additionalProperties: false
62
63examples:
64  - |
65    i2c {
66      #address-cells = <1>;
67      #size-cells = <0>;
68
69      pmic@30 {
70        compatible = "mps,mpm82504";
71        reg = <0x30>;
72        mps,vout-fb-divider-ratio-permille = <600>;
73      };
74    };
75