1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/regulator/richtek,rtq2134-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Richtek RTQ2134 SubPMIC Regulator
8
9 maintainers:
10 - ChiYuan Huang <cy_huang@richtek.com>
11
12 description: |
13 The RTQ2134 is a multi-phase, programmable power management IC that
14 integrates with four high efficient, synchronous step-down converter cores.
15
16 Datasheet is available at
17 https://www.richtek.com/assets/product_file/RTQ2134-QA/DSQ2134-QA-01.pdf
18
19 properties:
20 compatible:
21 enum:
22 - richtek,rtq2134
23
24 reg:
25 maxItems: 1
26
27 regulators:
28 type: object
29
30 patternProperties:
31 "^buck[1-3]$":
32 type: object
33 $ref: regulator.yaml#
34 description: |
35 regulator description for buck[1-3].
36
37 properties:
38 richtek,use-vsel-dvs:
39 type: boolean
40 description: |
41 If specified, buck will listen to 'vsel' pin for dvs config.
42 Else, use dvs0 voltage by default.
43
44 richtek,uv-shutdown:
45 type: boolean
46 description: |
47 If specified, use shutdown as UV action. Else, hiccup by default.
48
49 unevaluatedProperties: false
50
51 additionalProperties: false
52
53 required:
54 - compatible
55 - reg
56 - regulators
57
58 additionalProperties: false
59
60 examples:
61 - |
62 i2c {
63 #address-cells = <1>;
64 #size-cells = <0>;
65
66 rtq2134@18 {
67 compatible = "richtek,rtq2134";
68 reg = <0x18>;
69
70 regulators {
71 buck1 {
72 regulator-name = "rtq2134-buck1";
73 regulator-min-microvolt = <300000>;
74 regulator-max-microvolt = <1850000>;
75 regulator-always-on;
76 richtek,use-vsel-dvs;
77 regulator-state-mem {
78 regulator-suspend-min-microvolt = <550000>;
79 regulator-suspend-max-microvolt = <550000>;
80 };
81 };
82 buck2 {
83 regulator-name = "rtq2134-buck2";
84 regulator-min-microvolt = <1120000>;
85 regulator-max-microvolt = <1120000>;
86 regulator-always-on;
87 richtek,use-vsel-dvs;
88 regulator-state-mem {
89 regulator-suspend-min-microvolt = <1120000>;
90 regulator-suspend-max-microvolt = <1120000>;
91 };
92 };
93 buck3 {
94 regulator-name = "rtq2134-buck3";
95 regulator-min-microvolt = <600000>;
96 regulator-max-microvolt = <600000>;
97 regulator-always-on;
98 richtek,use-vsel-dvs;
99 regulator-state-mem {
100 regulator-suspend-min-microvolt = <600000>;
101 regulator-suspend-max-microvolt = <600000>;
102 };
103 };
104 };
105 };
106 };
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