xref: /linux/Documentation/devicetree/bindings/regulator/sgmicro,sgm3804.yaml (revision 9611c0ce215a66770ccbe5c126bf57ba8c31bcad) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/regulator/sgmicro,sgm3804.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: SG Micro SGM3804 Single Inductor Dual Output Buck/Boost Converter
8
9maintainers:
10  - Neil Armstrong <neil.armstrong@linaro.org>
11
12description:
13  The SGM3804 is a dual voltage regulator, designed to support positive/negative
14  supply for driving LCD panels. It support software-configurable output
15  switching. The output voltages can be programmed via an I2C compatible interface.
16
17properties:
18  compatible:
19    const: sgmicro,sgm3804
20
21  reg:
22    maxItems: 1
23
24  vin-supply: true
25
26patternProperties:
27  "^(pos|neg)$":
28    type: object
29    $ref: regulator.yaml#
30
31    properties:
32      enable-gpios: true
33
34    unevaluatedProperties: false
35
36    required:
37      - enable-gpios
38
39required:
40  - compatible
41  - reg
42  - pos
43  - neg
44
45additionalProperties: false
46
47examples:
48  - |
49    #include <dt-bindings/gpio/gpio.h>
50
51    i2c {
52        #address-cells = <1>;
53        #size-cells = <0>;
54
55        regulator@3e {
56            compatible = "sgmicro,sgm3804";
57            reg = <0x3e>;
58
59            vin-supply = <&vin_reg>;
60
61            pos {
62                regulator-name = "outpos";
63                regulator-min-microvolt = <5000000>;
64                regulator-max-microvolt = <5000000>;
65                enable-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>;
66            };
67
68            neg {
69                regulator-name = "outneg";
70                regulator-min-microvolt = <5000000>;
71                regulator-max-microvolt = <5000000>;
72                enable-gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
73            };
74        };
75    };
76...
77
78