1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mfd/samsung,s2mpa01.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Samsung S2MPA01 Power Management IC
8
9 maintainers:
10 - Krzysztof Kozlowski <krzk@kernel.org>
11
12 description: |
13 This is a part of device tree bindings for S2M and S5M family of Power
14 Management IC (PMIC).
15
16 The Samsung S2MPA01 is a Power Management IC which includes voltage
17 and current regulators, RTC, clock outputs and other sub-blocks.
18
19 properties:
20 compatible:
21 const: samsung,s2mpa01-pmic
22
23 interrupts:
24 maxItems: 1
25
26 reg:
27 maxItems: 1
28
29 regulators:
30 $ref: /schemas/regulator/samsung,s2mpa01.yaml
31 description:
32 List of child nodes that specify the regulators.
33
34 wakeup-source: true
35
36 required:
37 - compatible
38 - reg
39 - regulators
40
41 additionalProperties: false
42
43 examples:
44 - |
45 #include <dt-bindings/interrupt-controller/irq.h>
46
47 i2c {
48 #address-cells = <1>;
49 #size-cells = <0>;
50
51 pmic@66 {
52 compatible = "samsung,s2mpa01-pmic";
53 reg = <0x66>;
54
55 regulators {
56 ldo1_reg: LDO1 {
57 regulator-name = "VDD_ALIVE";
58 regulator-min-microvolt = <1000000>;
59 regulator-max-microvolt = <1000000>;
60 };
61
62 ldo2_reg: LDO2 {
63 regulator-name = "VDDQ_MMC2";
64 regulator-min-microvolt = <2800000>;
65 regulator-max-microvolt = <2800000>;
66 regulator-always-on;
67 };
68
69 // ...
70
71 buck1_reg: BUCK1 {
72 regulator-name = "vdd_mif";
73 regulator-min-microvolt = <950000>;
74 regulator-max-microvolt = <1350000>;
75 regulator-always-on;
76 regulator-boot-on;
77 };
78
79 buck2_reg: BUCK2 {
80 regulator-name = "vdd_arm";
81 regulator-min-microvolt = <950000>;
82 regulator-max-microvolt = <1350000>;
83 regulator-always-on;
84 regulator-boot-on;
85 regulator-ramp-delay = <50000>;
86 };
87
88 // ...
89 };
90 };
91 };
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