xref: /freebsd/sys/contrib/device-tree/Bindings/mfd/ti,lp87524-q1.yaml (revision 31ba4ce8898f9dfa5e7f054fdbc26e50a599a6e3) 
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        $ref: /schemas/regulator/regulator.yaml#
40
41    required:
42      - buck0
43      - buck1
44      - buck2
45      - buck3
46
47    additionalProperties: false
48
49patternProperties:
50  "^buck[0123]-in-supply$":
51    description: Voltage regulator supply for each BUCK converter
52
53required:
54  - compatible
55  - reg
56  - gpio-controller
57  - '#gpio-cells'
58  - buck0-in-supply
59  - buck1-in-supply
60  - buck2-in-supply
61  - buck3-in-supply
62  - regulators
63
64additionalProperties: false
65
66examples:
67  - |
68    i2c@0 {
69        reg = <0x0 0x100>;
70        #address-cells = <1>;
71        #size-cells = <0>;
72
73        pmic@60 {
74            compatible = "ti,lp87524-q1";
75            reg = <0x60>;
76            gpio-controller;
77            #gpio-cells = <2>;
78
79            buck0-in-supply = <&vdd_5v0>;
80            buck1-in-supply = <&vdd_5v0>;
81            buck2-in-supply = <&vdd_5v0>;
82            buck3-in-supply = <&vdd_5v0>;
83
84            regulators {
85                buck0_reg: buck0 {
86                    regulator-name = "buck0";
87                    regulator-min-microvolt = <3300000>;
88                    regulator-max-microvolt = <3300000>;
89                    regulator-always-on;
90                };
91
92                buck1_reg: buck1 {
93                    regulator-name = "buck1";
94                    regulator-min-microvolt = <1350000>;
95                    regulator-max-microvolt = <1350000>;
96                    regulator-always-on;
97                };
98
99                buck2_reg: buck2 {
100                    regulator-name = "buck2";
101                    regulator-min-microvolt = <950000>;
102                    regulator-max-microvolt = <950000>;
103                    regulator-always-on;
104                };
105
106                buck3_reg: buck3 {
107                    regulator-name = "buck3";
108                    regulator-min-microvolt = <1800000>;
109                    regulator-max-microvolt = <1800000>;
110                    regulator-always-on;
111                };
112            };
113        };
114    };
115
116...
117