1*8480ea35SNeil Armstrong# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2*8480ea35SNeil Armstrong%YAML 1.2 3*8480ea35SNeil Armstrong--- 4*8480ea35SNeil Armstrong$id: http://devicetree.org/schemas/regulator/sgmicro,sgm3804.yaml# 5*8480ea35SNeil Armstrong$schema: http://devicetree.org/meta-schemas/core.yaml# 6*8480ea35SNeil Armstrong 7*8480ea35SNeil Armstrongtitle: SG Micro SGM3804 Single Inductor Dual Output Buck/Boost Converter 8*8480ea35SNeil Armstrong 9*8480ea35SNeil Armstrongmaintainers: 10*8480ea35SNeil Armstrong - Neil Armstrong <neil.armstrong@linaro.org> 11*8480ea35SNeil Armstrong 12*8480ea35SNeil Armstrongdescription: 13*8480ea35SNeil Armstrong The SGM3804 is a dual voltage regulator, designed to support positive/negative 14*8480ea35SNeil Armstrong supply for driving LCD panels. It support software-configurable output 15*8480ea35SNeil Armstrong switching. The output voltages can be programmed via an I2C compatible interface. 16*8480ea35SNeil Armstrong 17*8480ea35SNeil Armstrongproperties: 18*8480ea35SNeil Armstrong compatible: 19*8480ea35SNeil Armstrong const: sgmicro,sgm3804 20*8480ea35SNeil Armstrong 21*8480ea35SNeil Armstrong reg: 22*8480ea35SNeil Armstrong maxItems: 1 23*8480ea35SNeil Armstrong 24*8480ea35SNeil Armstrong vin-supply: true 25*8480ea35SNeil Armstrong 26*8480ea35SNeil ArmstrongpatternProperties: 27*8480ea35SNeil Armstrong "^(pos|neg)$": 28*8480ea35SNeil Armstrong type: object 29*8480ea35SNeil Armstrong $ref: regulator.yaml# 30*8480ea35SNeil Armstrong 31*8480ea35SNeil Armstrong properties: 32*8480ea35SNeil Armstrong enable-gpios: true 33*8480ea35SNeil Armstrong 34*8480ea35SNeil Armstrong unevaluatedProperties: false 35*8480ea35SNeil Armstrong 36*8480ea35SNeil Armstrong required: 37*8480ea35SNeil Armstrong - enable-gpios 38*8480ea35SNeil Armstrong 39*8480ea35SNeil Armstrongrequired: 40*8480ea35SNeil Armstrong - compatible 41*8480ea35SNeil Armstrong - reg 42*8480ea35SNeil Armstrong - pos 43*8480ea35SNeil Armstrong - neg 44*8480ea35SNeil Armstrong 45*8480ea35SNeil ArmstrongadditionalProperties: false 46*8480ea35SNeil Armstrong 47*8480ea35SNeil Armstrongexamples: 48*8480ea35SNeil Armstrong - | 49*8480ea35SNeil Armstrong #include <dt-bindings/gpio/gpio.h> 50*8480ea35SNeil Armstrong 51*8480ea35SNeil Armstrong i2c { 52*8480ea35SNeil Armstrong #address-cells = <1>; 53*8480ea35SNeil Armstrong #size-cells = <0>; 54*8480ea35SNeil Armstrong 55*8480ea35SNeil Armstrong regulator@3e { 56*8480ea35SNeil Armstrong compatible = "sgmicro,sgm3804"; 57*8480ea35SNeil Armstrong reg = <0x3e>; 58*8480ea35SNeil Armstrong 59*8480ea35SNeil Armstrong vin-supply = <&vin_reg>; 60*8480ea35SNeil Armstrong 61*8480ea35SNeil Armstrong pos { 62*8480ea35SNeil Armstrong regulator-name = "outpos"; 63*8480ea35SNeil Armstrong regulator-min-microvolt = <5000000>; 64*8480ea35SNeil Armstrong regulator-max-microvolt = <5000000>; 65*8480ea35SNeil Armstrong enable-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>; 66*8480ea35SNeil Armstrong }; 67*8480ea35SNeil Armstrong 68*8480ea35SNeil Armstrong neg { 69*8480ea35SNeil Armstrong regulator-name = "outneg"; 70*8480ea35SNeil Armstrong regulator-min-microvolt = <5000000>; 71*8480ea35SNeil Armstrong regulator-max-microvolt = <5000000>; 72*8480ea35SNeil Armstrong enable-gpios = <&gpio 18 GPIO_ACTIVE_HIGH>; 73*8480ea35SNeil Armstrong }; 74*8480ea35SNeil Armstrong }; 75*8480ea35SNeil Armstrong }; 76*8480ea35SNeil Armstrong... 77*8480ea35SNeil Armstrong 78