xref: /freebsd/sys/contrib/device-tree/Bindings/mfd/ti,lp87524-q1.yaml (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/mfd/ti,lp87524-q1.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: TI LP87524-Q1 four 1-phase output buck converter
8
9maintainers:
10  - Keerthy <j-keerthy@ti.com>
11
12properties:
13  compatible:
14    const: ti,lp87524-q1
15
16  reg:
17    description: I2C slave address
18    const: 0x60
19
20  reset-gpios:
21    description: GPIO connected to NRST pin (active low reset, pin 20)
22    maxItems: 1
23
24  gpio-controller: true
25
26  '#gpio-cells':
27    description:
28      The first cell is the pin number.
29      The second cell is is used to specify flags.
30      See ../gpio/gpio.txt for more information.
31    const: 2
32
33  regulators:
34    type: object
35
36    patternProperties:
37      "^buck[0123]$":
38        type: object
39        $ref: /schemas/regulator/regulator.yaml#
40        unevaluatedProperties: false
41
42    required:
43      - buck0
44      - buck1
45      - buck2
46      - buck3
47
48    additionalProperties: false
49
50patternProperties:
51  "^buck[0123]-in-supply$":
52    description: Voltage regulator supply for each BUCK converter
53
54required:
55  - compatible
56  - reg
57  - gpio-controller
58  - '#gpio-cells'
59  - buck0-in-supply
60  - buck1-in-supply
61  - buck2-in-supply
62  - buck3-in-supply
63  - regulators
64
65additionalProperties: false
66
67examples:
68  - |
69    i2c@0 {
70        reg = <0x0 0x100>;
71        #address-cells = <1>;
72        #size-cells = <0>;
73
74        pmic@60 {
75            compatible = "ti,lp87524-q1";
76            reg = <0x60>;
77            gpio-controller;
78            #gpio-cells = <2>;
79
80            buck0-in-supply = <&vdd_5v0>;
81            buck1-in-supply = <&vdd_5v0>;
82            buck2-in-supply = <&vdd_5v0>;
83            buck3-in-supply = <&vdd_5v0>;
84
85            regulators {
86                buck0_reg: buck0 {
87                    regulator-name = "buck0";
88                    regulator-min-microvolt = <3300000>;
89                    regulator-max-microvolt = <3300000>;
90                    regulator-always-on;
91                };
92
93                buck1_reg: buck1 {
94                    regulator-name = "buck1";
95                    regulator-min-microvolt = <1350000>;
96                    regulator-max-microvolt = <1350000>;
97                    regulator-always-on;
98                };
99
100                buck2_reg: buck2 {
101                    regulator-name = "buck2";
102                    regulator-min-microvolt = <950000>;
103                    regulator-max-microvolt = <950000>;
104                    regulator-always-on;
105                };
106
107                buck3_reg: buck3 {
108                    regulator-name = "buck3";
109                    regulator-min-microvolt = <1800000>;
110                    regulator-max-microvolt = <1800000>;
111                    regulator-always-on;
112                };
113            };
114        };
115    };
116
117...
118