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 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: TI LP87524-Q1 four 1-phase output buck converter
8
9 maintainers:
10 - Keerthy <j-keerthy@ti.com>
11
12 properties:
13 compatible:
14 const: ti,lp87524-q1
15
16 reg:
17 description: I2C slave address
18 const: 0x60
19
20 reset-gpios:
21 description: GPIO connected to NRST pin (active low reset, pin 20)
22 maxItems: 1
23
24 gpio-controller: true
25
26 '#gpio-cells':
27 description:
28 The first cell is the pin number.
29 The second cell is is used to specify flags.
30 See ../gpio/gpio.txt for more information.
31 const: 2
32
33 regulators:
34 type: object
35
36 patternProperties:
37 "^buck[0123]$":
38 type: object
39 $ref: /schemas/regulator/regulator.yaml#
40 unevaluatedProperties: false
41
42 required:
43 - buck0
44 - buck1
45 - buck2
46 - buck3
47
48 additionalProperties: false
49
50 patternProperties:
51 "^buck[0123]-in-supply$":
52 description: Voltage regulator supply for each BUCK converter
53
54 required:
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
65 additionalProperties: false
66
67 examples:
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 ...
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