# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/mfd/rohm,bd9571mwv.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: ROHM BD9571MWV/BD9574MWF Power Management Integrated Circuit (PMIC) maintainers: - Marek Vasut properties: compatible: enum: - rohm,bd9571mwv - rohm,bd9574mwf reg: maxItems: 1 interrupts: maxItems: 1 interrupt-controller: true '#interrupt-cells': const: 2 gpio-controller: true '#gpio-cells': const: 2 rohm,ddr-backup-power: $ref: /schemas/types.yaml#/definitions/uint32 minimum: 0x0 maximum: 0xf description: | Value to use for DDR-Backup Power (default 0). This is a bitmask that specifies which DDR power rails need to be kept powered when backup mode is entered, for system suspend: - bit 0: DDR0 - bit 1: DDR1 - bit 2: DDR0C - bit 3: DDR1C These bits match the KEEPON_DDR* bits in the documentation for the "BKUP Mode Cnt" register. rohm,rstbmode-level: $ref: /schemas/types.yaml#/definitions/flag description: The RSTB signal is configured for level mode, to accommodate a toggle power switch (the RSTBMODE pin is strapped low). rohm,rstbmode-pulse: $ref: /schemas/types.yaml#/definitions/flag description: The RSTB signal is configured for pulse mode, to accommodate a momentary power switch (the RSTBMODE pin is strapped high). regulators: type: object description: List of child nodes that specify the regulator initialization data. Child nodes must be named after their hardware counterparts. patternProperties: "^(vd09|vd18|vd25|vd33|dvfs)$": type: object $ref: ../regulator/regulator.yaml# properties: regulator-name: pattern: "^(vd09|vd18|vd25|vd33|dvfs)$" unevaluatedProperties: false additionalProperties: false additionalProperties: false required: - compatible - reg - interrupts - interrupt-controller - '#interrupt-cells' - gpio-controller - '#gpio-cells' oneOf: - required: - rohm,rstbmode-level - required: - rohm,rstbmode-pulse examples: - | #include i2c { #address-cells = <1>; #size-cells = <0>; pmic: pmic@30 { compatible = "rohm,bd9571mwv"; reg = <0x30>; interrupt-parent = <&gpio2>; interrupts = <0 IRQ_TYPE_LEVEL_LOW>; interrupt-controller; #interrupt-cells = <2>; gpio-controller; #gpio-cells = <2>; rohm,ddr-backup-power = <0xf>; rohm,rstbmode-pulse; regulators { dvfs: dvfs { regulator-name = "dvfs"; regulator-min-microvolt = <750000>; regulator-max-microvolt = <1030000>; regulator-boot-on; regulator-always-on; }; }; }; };