xref: /linux/Documentation/devicetree/bindings/mfd/samsung,s2mpa01.yaml (revision 164666fa66669d437bdcc8d5f1744a2aee73be41) 
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
7title: Samsung S2MPA01 Power Management IC
8
9maintainers:
10  - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
11
12description: |
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
19properties:
20  compatible:
21    const: samsung,s2mpa01-pmic
22
23  interrupts:
24    maxItems: 1
25
26  reg:
27    maxItems: 1
28
29  regulators:
30    $ref: ../regulator/samsung,s2mpa01.yaml
31    description:
32      List of child nodes that specify the regulators.
33
34  wakeup-source: true
35
36required:
37  - compatible
38  - reg
39  - regulators
40
41additionalProperties: false
42
43examples:
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    };
92