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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/regulator/nxp,pf0900.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: NXP PF0900 Power Management Integrated Circuit regulators
maintainers:
- Joy Zou <joy.zou@nxp.com>
description:
The PF0900 is a power management integrated circuit (PMIC) optimized
for high performance i.MX9x based applications. It features five high
efficiency buck converters, three linear and one vaon regulators. It
provides low quiescent current in Standby and low power off Modes.
properties:
compatible:
enum:
- nxp,pf0900
reg:
maxItems: 1
interrupts:
maxItems: 1
regulators:
type: object
additionalProperties: false
properties:
vaon:
type: object
$ref: regulator.yaml#
unevaluatedProperties: false
patternProperties:
"^ldo[1-3]$":
type: object
$ref: regulator.yaml#
unevaluatedProperties: false
"^sw[1-5]$":
type: object
$ref: regulator.yaml#
unevaluatedProperties: false
nxp,i2c-crc-enable:
type: boolean
description:
The CRC enabled during register read/write. Controlled by customer
unviewable fuse bits OTP_I2C_CRC_EN. Check chip part number.
required:
- compatible
- reg
- interrupts
- regulators
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
pmic@8 {
compatible = "nxp,pf0900";
reg = <0x08>;
interrupt-parent = <&pcal6524>;
interrupts = <89 IRQ_TYPE_LEVEL_LOW>;
nxp,i2c-crc-enable;
regulators {
vaon {
regulator-name = "VAON";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
sw1 {
regulator-name = "SW1";
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
regulator-ramp-delay = <1950>;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-max-microvolt = <650000>;
regulator-suspend-min-microvolt = <650000>;
};
};
sw2 {
regulator-name = "SW2";
regulator-min-microvolt = <300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
regulator-ramp-delay = <1950>;
};
sw3 {
regulator-name = "SW3";
regulator-min-microvolt = <300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
regulator-ramp-delay = <1950>;
};
sw4 {
regulator-name = "SW4";
regulator-min-microvolt = <300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
regulator-ramp-delay = <1950>;
};
sw5 {
regulator-name = "SW5";
regulator-min-microvolt = <300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
regulator-ramp-delay = <1950>;
};
ldo1 {
regulator-name = "LDO1";
regulator-min-microvolt = <750000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
ldo2 {
regulator-name = "LDO2";
regulator-min-microvolt = <650000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
ldo3 {
regulator-name = "LDO3";
regulator-min-microvolt = <650000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
};
};
};
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