1*6d5373e9SOkan Sahin# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2*6d5373e9SOkan Sahin# Copyright 2022 Analog Devices Inc. 3*6d5373e9SOkan Sahin%YAML 1.2 4*6d5373e9SOkan Sahin--- 5*6d5373e9SOkan Sahin$id: http://devicetree.org/schemas/regulator/adi,max77857.yaml# 6*6d5373e9SOkan Sahin$schema: http://devicetree.org/meta-schemas/core.yaml# 7*6d5373e9SOkan Sahin 8*6d5373e9SOkan Sahintitle: Analog Devices MAX77857 Buck-Boost Converter 9*6d5373e9SOkan Sahin 10*6d5373e9SOkan Sahinmaintainers: 11*6d5373e9SOkan Sahin - Ibrahim Tilki <Ibrahim.Tilki@analog.com> 12*6d5373e9SOkan Sahin - Okan Sahin <Okan.Sahin@analog.com> 13*6d5373e9SOkan Sahin 14*6d5373e9SOkan Sahindescription: Analog Devices MAX77857 Buck-Boost Converter 15*6d5373e9SOkan Sahin 16*6d5373e9SOkan Sahinproperties: 17*6d5373e9SOkan Sahin compatible: 18*6d5373e9SOkan Sahin enum: 19*6d5373e9SOkan Sahin - adi,max77831 20*6d5373e9SOkan Sahin - adi,max77857 21*6d5373e9SOkan Sahin - adi,max77859 22*6d5373e9SOkan Sahin - adi,max77859a 23*6d5373e9SOkan Sahin 24*6d5373e9SOkan Sahin reg: 25*6d5373e9SOkan Sahin description: I2C address of the device 26*6d5373e9SOkan Sahin items: 27*6d5373e9SOkan Sahin - enum: [0x66, 0x67, 0x6E, 0x6F] 28*6d5373e9SOkan Sahin 29*6d5373e9SOkan Sahin interrupts: 30*6d5373e9SOkan Sahin maxItems: 1 31*6d5373e9SOkan Sahin 32*6d5373e9SOkan Sahin adi,switch-frequency-hz: 33*6d5373e9SOkan Sahin description: Switching frequency of the Buck-Boost converter in Hz. 34*6d5373e9SOkan Sahin items: 35*6d5373e9SOkan Sahin - enum: [1200000, 1500000, 1800000, 2100000] 36*6d5373e9SOkan Sahin 37*6d5373e9SOkan Sahin adi,rtop-ohms: 38*6d5373e9SOkan Sahin description: Top feedback resistor value in ohms for external feedback. 39*6d5373e9SOkan Sahin minimum: 150000 40*6d5373e9SOkan Sahin maximum: 330000 41*6d5373e9SOkan Sahin 42*6d5373e9SOkan Sahin adi,rbot-ohms: 43*6d5373e9SOkan Sahin description: Bottom feedback resistor value in ohms for external feedback. 44*6d5373e9SOkan Sahin 45*6d5373e9SOkan Sahindependencies: 46*6d5373e9SOkan Sahin adi,rtop-ohms: [ 'adi,rbot-ohms' ] 47*6d5373e9SOkan Sahin adi,rbot-ohms: [ 'adi,rtop-ohms' ] 48*6d5373e9SOkan Sahin 49*6d5373e9SOkan Sahinrequired: 50*6d5373e9SOkan Sahin - compatible 51*6d5373e9SOkan Sahin - reg 52*6d5373e9SOkan Sahin 53*6d5373e9SOkan SahinallOf: 54*6d5373e9SOkan Sahin - $ref: regulator.yaml# 55*6d5373e9SOkan Sahin - if: 56*6d5373e9SOkan Sahin properties: 57*6d5373e9SOkan Sahin compatible: 58*6d5373e9SOkan Sahin contains: 59*6d5373e9SOkan Sahin enum: 60*6d5373e9SOkan Sahin - adi,max77831 61*6d5373e9SOkan Sahin 62*6d5373e9SOkan Sahin then: 63*6d5373e9SOkan Sahin properties: 64*6d5373e9SOkan Sahin adi,switch-frequency-hz: 65*6d5373e9SOkan Sahin items: 66*6d5373e9SOkan Sahin enum: [1200000, 1500000, 1800000] 67*6d5373e9SOkan Sahin 68*6d5373e9SOkan SahinunevaluatedProperties: false 69*6d5373e9SOkan Sahin 70*6d5373e9SOkan Sahinexamples: 71*6d5373e9SOkan Sahin - | 72*6d5373e9SOkan Sahin #include <dt-bindings/interrupt-controller/irq.h> 73*6d5373e9SOkan Sahin i2c { 74*6d5373e9SOkan Sahin #address-cells = <1>; 75*6d5373e9SOkan Sahin #size-cells = <0>; 76*6d5373e9SOkan Sahin 77*6d5373e9SOkan Sahin regulator@66 { 78*6d5373e9SOkan Sahin reg = <0x66>; 79*6d5373e9SOkan Sahin compatible = "adi,max77857"; 80*6d5373e9SOkan Sahin interrupt-parent = <&gpio>; 81*6d5373e9SOkan Sahin interrupts = <26 IRQ_TYPE_EDGE_FALLING>; 82*6d5373e9SOkan Sahin 83*6d5373e9SOkan Sahin adi,rtop-ohms = <312000>; 84*6d5373e9SOkan Sahin adi,rbot-ohms = <12000>; 85*6d5373e9SOkan Sahin }; 86*6d5373e9SOkan Sahin }; 87