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1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause2%YAML 1.23---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 regulators8 9maintainers:10 - Robin Gong <yibin.gong@nxp.com>11 12description: |13 Regulator nodes should be named to BUCK_<number> and LDO_<number>. The14 definition for each of these nodes is defined using the standard15 binding for regulators at16 Documentation/devicetree/bindings/regulator/regulator.txt.17 Datasheet is available at18 https://www.nxp.com/docs/en/data-sheet/PCA9450DS.pdf19 20# The valid names for PCA9450 regulator nodes are:21# BUCK1, BUCK2, BUCK3, BUCK4, BUCK5, BUCK6,22# LDO1, LDO2, LDO3, LDO4, LDO523# Note: Buck3 removed on PCA9450B and connect with Buck1 on PCA9450C.24 25properties:26 compatible:27 enum:28 - nxp,pca9450a29 - nxp,pca9450b30 - nxp,pca9450c31 - nxp,pca9451a32 33 reg:34 maxItems: 135 36 interrupts:37 maxItems: 138 39 regulators:40 type: object41 description: |42 list of regulators provided by this controller43 44 patternProperties:45 "^LDO[1-5]$":46 type: object47 $ref: regulator.yaml#48 description:49 Properties for single LDO regulator.50 51 unevaluatedProperties: false52 53 "^BUCK[1-6]$":54 type: object55 $ref: regulator.yaml#56 description:57 Properties for single BUCK regulator.58 59 properties:60 nxp,dvs-run-voltage:61 $ref: /schemas/types.yaml#/definitions/uint3262 minimum: 60000063 maximum: 218750064 description:65 PMIC default "RUN" state voltage in uV. Only Buck1~3 have such66 dvs(dynamic voltage scaling) property.67 68 nxp,dvs-standby-voltage:69 $ref: /schemas/types.yaml#/definitions/uint3270 minimum: 60000071 maximum: 218750072 description:73 PMIC default "STANDBY" state voltage in uV. Only Buck1~3 have such74 dvs(dynamic voltage scaling) property.75 76 unevaluatedProperties: false77 78 additionalProperties: false79 80 sd-vsel-gpios:81 description: GPIO that is used to switch LDO5 between being configured by82 LDO5CTRL_L or LDO5CTRL_H register. Use this if the SD_VSEL signal is83 connected to a host GPIO.84 85 nxp,i2c-lt-enable:86 type: boolean87 description:88 Indicates that the I2C Level Translator is used.89 90 nxp,wdog_b-warm-reset:91 type: boolean92 description:93 When WDOG_B signal is asserted a warm reset will be done instead of cold94 reset.95 96required:97 - compatible98 - reg99 - regulators100 101additionalProperties: false102 103examples:104 - |105 #include <dt-bindings/interrupt-controller/irq.h>106 107 i2c {108 #address-cells = <1>;109 #size-cells = <0>;110 pmic: pmic@25 {111 compatible = "nxp,pca9450b";112 reg = <0x25>;113 pinctrl-0 = <&pinctrl_pmic>;114 interrupt-parent = <&gpio1>;115 interrupts = <3 IRQ_TYPE_LEVEL_LOW>;116 117 regulators {118 buck1: BUCK1 {119 regulator-name = "BUCK1";120 regulator-min-microvolt = <600000>;121 regulator-max-microvolt = <2187500>;122 regulator-boot-on;123 regulator-always-on;124 regulator-ramp-delay = <3125>;125 };126 buck2: BUCK2 {127 regulator-name = "BUCK2";128 regulator-min-microvolt = <600000>;129 regulator-max-microvolt = <2187500>;130 regulator-boot-on;131 regulator-always-on;132 regulator-ramp-delay = <3125>;133 nxp,dvs-run-voltage = <950000>;134 nxp,dvs-standby-voltage = <850000>;135 };136 buck4: BUCK4 {137 regulator-name = "BUCK4";138 regulator-min-microvolt = <600000>;139 regulator-max-microvolt = <3400000>;140 regulator-boot-on;141 regulator-always-on;142 };143 buck5: BUCK5 {144 regulator-name = "BUCK5";145 regulator-min-microvolt = <600000>;146 regulator-max-microvolt = <3400000>;147 regulator-boot-on;148 regulator-always-on;149 };150 buck6: BUCK6 {151 regulator-name = "BUCK6";152 regulator-min-microvolt = <600000>;153 regulator-max-microvolt = <3400000>;154 regulator-boot-on;155 regulator-always-on;156 };157 158 ldo1: LDO1 {159 regulator-name = "LDO1";160 regulator-min-microvolt = <1600000>;161 regulator-max-microvolt = <3300000>;162 regulator-boot-on;163 regulator-always-on;164 };165 ldo2: LDO2 {166 regulator-name = "LDO2";167 regulator-min-microvolt = <800000>;168 regulator-max-microvolt = <1150000>;169 regulator-boot-on;170 regulator-always-on;171 };172 ldo3: LDO3 {173 regulator-name = "LDO3";174 regulator-min-microvolt = <800000>;175 regulator-max-microvolt = <3300000>;176 regulator-boot-on;177 regulator-always-on;178 };179 ldo4: LDO4 {180 regulator-name = "LDO4";181 regulator-min-microvolt = <800000>;182 regulator-max-microvolt = <3300000>;183 regulator-boot-on;184 regulator-always-on;185 };186 ldo5: LDO5 {187 regulator-name = "LDO5";188 regulator-min-microvolt = <1800000>;189 regulator-max-microvolt = <3300000>;190 regulator-boot-on;191 regulator-always-on;192 };193 };194 };195 };196