# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/regulator/sgmicro,sgm3804.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: SG Micro SGM3804 Single Inductor Dual Output Buck/Boost Converter

maintainers:
  - Neil Armstrong <neil.armstrong@linaro.org>

description:
  The SGM3804 is a dual voltage regulator, designed to support positive/negative
  supply for driving LCD panels. It support software-configurable output
  switching. The output voltages can be programmed via an I2C compatible interface.

properties:
  compatible:
    const: sgmicro,sgm3804

  reg:
    maxItems: 1

  vin-supply: true

patternProperties:
  "^(pos|neg)$":
    type: object
    $ref: regulator.yaml#

    properties:
      enable-gpios: true

    unevaluatedProperties: false

    required:
      - enable-gpios

required:
  - compatible
  - reg
  - pos
  - neg

additionalProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>
 
    i2c {
        #address-cells = <1>;
        #size-cells = <0>;
 
        regulator@3e {
            compatible = "sgmicro,sgm3804";
            reg = <0x3e>;
 
            vin-supply = <&vin_reg>;
 
            pos {
                regulator-name = "outpos";
                regulator-min-microvolt = <5000000>;
                regulator-max-microvolt = <5000000>;
                enable-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>;
            };
 
            neg {
                regulator-name = "outneg";
                regulator-min-microvolt = <5000000>;
                regulator-max-microvolt = <5000000>;
                enable-gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
            };
        };
    };
...