1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/regulator/nxp,pca9450-regulator.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: NXP PCA9450A/B/C Power Management Integrated Circuit regulators 8 9maintainers: 10 - Robin Gong <yibin.gong@nxp.com> 11 12description: | 13 Regulator nodes should be named to BUCK_<number> and LDO_<number>. The 14 definition for each of these nodes is defined using the standard 15 binding for regulators at 16 Documentation/devicetree/bindings/regulator/regulator.txt. 17 Datasheet is available at 18 https://www.nxp.com/docs/en/data-sheet/PCA9450DS.pdf 19 20#The valid names for PCA9450 regulator nodes are: 21#BUCK1, BUCK2, BUCK3, BUCK4, BUCK5, BUCK6, 22#LDO1, LDO2, LDO3, LDO4, LDO5 23#Note: Buck3 removed on PCA9450B and connect with Buck1 on PCA9450C. 24 25properties: 26 compatible: 27 enum: 28 - nxp,pca9450a 29 - nxp,pca9450b 30 - nxp,pca9450c 31 32 reg: 33 maxItems: 1 34 35 interrupts: 36 maxItems: 1 37 38 regulators: 39 type: object 40 description: | 41 list of regulators provided by this controller 42 43 patternProperties: 44 "^LDO[1-5]$": 45 type: object 46 $ref: regulator.yaml# 47 description: 48 Properties for single LDO regulator. 49 50 properties: 51 regulator-name: 52 pattern: "^LDO[1-5]$" 53 description: 54 should be "LDO1", ..., "LDO5" 55 56 unevaluatedProperties: false 57 58 "^BUCK[1-6]$": 59 type: object 60 $ref: regulator.yaml# 61 description: 62 Properties for single BUCK regulator. 63 64 properties: 65 regulator-name: 66 pattern: "^BUCK[1-6]$" 67 description: 68 should be "BUCK1", ..., "BUCK6" 69 70 nxp,dvs-run-voltage: 71 $ref: "/schemas/types.yaml#/definitions/uint32" 72 minimum: 600000 73 maximum: 2187500 74 description: 75 PMIC default "RUN" state voltage in uV. Only Buck1~3 have such 76 dvs(dynamic voltage scaling) property. 77 78 nxp,dvs-standby-voltage: 79 $ref: "/schemas/types.yaml#/definitions/uint32" 80 minimum: 600000 81 maximum: 2187500 82 description: 83 PMIC default "STANDBY" state voltage in uV. Only Buck1~3 have such 84 dvs(dynamic voltage scaling) property. 85 86 unevaluatedProperties: false 87 88 additionalProperties: false 89 90required: 91 - compatible 92 - reg 93 - interrupts 94 - regulators 95 96additionalProperties: false 97 98examples: 99 - | 100 #include <dt-bindings/interrupt-controller/irq.h> 101 102 i2c { 103 #address-cells = <1>; 104 #size-cells = <0>; 105 pmic: pmic@25 { 106 compatible = "nxp,pca9450b"; 107 reg = <0x25>; 108 pinctrl-0 = <&pinctrl_pmic>; 109 interrupt-parent = <&gpio1>; 110 interrupts = <3 IRQ_TYPE_LEVEL_LOW>; 111 112 regulators { 113 buck1: BUCK1 { 114 regulator-name = "BUCK1"; 115 regulator-min-microvolt = <600000>; 116 regulator-max-microvolt = <2187500>; 117 regulator-boot-on; 118 regulator-always-on; 119 regulator-ramp-delay = <3125>; 120 }; 121 buck2: BUCK2 { 122 regulator-name = "BUCK2"; 123 regulator-min-microvolt = <600000>; 124 regulator-max-microvolt = <2187500>; 125 regulator-boot-on; 126 regulator-always-on; 127 regulator-ramp-delay = <3125>; 128 nxp,dvs-run-voltage = <950000>; 129 nxp,dvs-standby-voltage = <850000>; 130 }; 131 buck4: BUCK4 { 132 regulator-name = "BUCK4"; 133 regulator-min-microvolt = <600000>; 134 regulator-max-microvolt = <3400000>; 135 regulator-boot-on; 136 regulator-always-on; 137 }; 138 buck5: BUCK5 { 139 regulator-name = "BUCK5"; 140 regulator-min-microvolt = <600000>; 141 regulator-max-microvolt = <3400000>; 142 regulator-boot-on; 143 regulator-always-on; 144 }; 145 buck6: BUCK6 { 146 regulator-name = "BUCK6"; 147 regulator-min-microvolt = <600000>; 148 regulator-max-microvolt = <3400000>; 149 regulator-boot-on; 150 regulator-always-on; 151 }; 152 153 ldo1: LDO1 { 154 regulator-name = "LDO1"; 155 regulator-min-microvolt = <1600000>; 156 regulator-max-microvolt = <3300000>; 157 regulator-boot-on; 158 regulator-always-on; 159 }; 160 ldo2: LDO2 { 161 regulator-name = "LDO2"; 162 regulator-min-microvolt = <800000>; 163 regulator-max-microvolt = <1150000>; 164 regulator-boot-on; 165 regulator-always-on; 166 }; 167 ldo3: LDO3 { 168 regulator-name = "LDO3"; 169 regulator-min-microvolt = <800000>; 170 regulator-max-microvolt = <3300000>; 171 regulator-boot-on; 172 regulator-always-on; 173 }; 174 ldo4: LDO4 { 175 regulator-name = "LDO4"; 176 regulator-min-microvolt = <800000>; 177 regulator-max-microvolt = <3300000>; 178 regulator-boot-on; 179 regulator-always-on; 180 }; 181 ldo5: LDO5 { 182 regulator-name = "LDO5"; 183 regulator-min-microvolt = <1800000>; 184 regulator-max-microvolt = <3300000>; 185 regulator-boot-on; 186 regulator-always-on; 187 }; 188 }; 189 }; 190 }; 191