1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/regulator/mps,mpq7920.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Monolithic Power System MPQ7920 PMIC 8 9maintainers: 10 - Saravanan Sekar <sravanhome@gmail.com> 11 12properties: 13 $nodename: 14 pattern: "pmic@[0-9a-f]{1,2}" 15 compatible: 16 enum: 17 - mps,mpq7920 18 19 reg: 20 maxItems: 1 21 22 regulators: 23 type: object 24 $ref: regulator.yaml# 25 26 description: | 27 list of regulators provided by this controller, must be named 28 after their hardware counterparts BUCK[1-4], one LDORTC, and LDO[2-5] 29 30 properties: 31 mps,switch-freq: 32 $ref: "/schemas/types.yaml#/definitions/uint8" 33 enum: [0, 1, 2, 3] 34 default: 2 35 description: | 36 switching frequency must be one of following corresponding value 37 1.1MHz, 1.65MHz, 2.2MHz, 2.75MHz 38 39 ldortc: 40 type: object 41 $ref: regulator.yaml# 42 43 patternProperties: 44 "^ldo[1-4]$": 45 type: object 46 $ref: regulator.yaml# 47 48 "^buck[1-4]$": 49 type: object 50 $ref: regulator.yaml# 51 52 properties: 53 mps,buck-softstart: 54 $ref: "/schemas/types.yaml#/definitions/uint8" 55 enum: [0, 1, 2, 3] 56 description: | 57 defines the soft start time of this buck, must be one of the following 58 corresponding values 150us, 300us, 610us, 920us 59 60 mps,buck-phase-delay: 61 $ref: "/schemas/types.yaml#/definitions/uint8" 62 enum: [0, 1, 2, 3] 63 description: | 64 defines the phase delay of this buck, must be one of the following 65 corresponding values 0deg, 90deg, 180deg, 270deg 66 67 mps,buck-ovp-disable: 68 type: boolean 69 description: | 70 disables over voltage protection of this buck 71 72 unevaluatedProperties: false 73 74 additionalProperties: false 75 76required: 77 - compatible 78 - reg 79 - regulators 80 81additionalProperties: false 82 83examples: 84 - | 85 i2c { 86 #address-cells = <1>; 87 #size-cells = <0>; 88 89 pmic@69 { 90 compatible = "mps,mpq7920"; 91 reg = <0x69>; 92 93 regulators { 94 mps,switch-freq = /bits/ 8 <1>; 95 96 buck1 { 97 regulator-name = "buck1"; 98 regulator-min-microvolt = <400000>; 99 regulator-max-microvolt = <3587500>; 100 regulator-min-microamp = <460000>; 101 regulator-max-microamp = <7600000>; 102 regulator-boot-on; 103 mps,buck-ovp-disable; 104 mps,buck-phase-delay = /bits/ 8 <2>; 105 mps,buck-softstart = /bits/ 8 <1>; 106 }; 107 108 ldo2 { 109 regulator-name = "ldo2"; 110 regulator-min-microvolt = <650000>; 111 regulator-max-microvolt = <3587500>; 112 }; 113 }; 114 }; 115 }; 116... 117