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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/regulator/richtek,rt5739.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Richtek RT5739 Step-Down Buck Converter
maintainers:
- ChiYuan Huang <cy_huang@richtek.com>
description: |
The RT5739 is a step-down switching buck converter that can deliver the
programmable output voltage from 300mV to 1300mV with wide input voltage
supply of 2.5V to 5.5V. It can provide up to 3.5A continuous current
capability at over 80% high efficiency.
allOf:
- $ref: regulator.yaml#
properties:
compatible:
enum:
- richtek,rt5733
- richtek,rt5739
reg:
maxItems: 1
enable-gpios:
maxItems: 1
richtek,vsel-active-high:
description: |
If property is present, use the 'VSEL1' register group for buck control.
Else, use the 'VSEL0' register group. This depends on external hardware
'VSEL' pin connection.
type: boolean
regulator-allowed-modes:
description: |
buck allowed operating mode
0: Auto PFM/PWM mode
1: Forced PWM mode
items:
enum: [0, 1]
required:
- compatible
- reg
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
regulator@50 {
compatible = "richtek,rt5739";
reg = <0x50>;
enable-gpios = <&gpio26 1 GPIO_ACTIVE_HIGH>;
richtek,vsel-active-high;
regulator-name = "richtek,rt5739-buck";
regulator-min-microvolt = <300000>;
regulator-max-microvolt = <1300000>;
regulator-allowed-modes = <0 1>;
regulator-boot-on;
};
};
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