| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/regulator/richtek,rt5739.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Richtek RT5739 Step-Down Buck Converter |
| 8 | |
| 9 | maintainers: |
| 10 | - ChiYuan Huang <cy_huang@richtek.com> |
| 11 | |
| 12 | description: | |
| 13 | The RT5739 is a step-down switching buck converter that can deliver the |
| 14 | programmable output voltage from 300mV to 1300mV with wide input voltage |
| 15 | supply of 2.5V to 5.5V. It can provide up to 3.5A continuous current |
| 16 | capability at over 80% high efficiency. |
| 17 | |
| 18 | allOf: |
| 19 | - $ref: regulator.yaml# |
| 20 | |
| 21 | properties: |
| 22 | compatible: |
| 23 | enum: |
| 24 | - richtek,rt5733 |
| 25 | - richtek,rt5739 |
| 26 | |
| 27 | reg: |
| 28 | maxItems: 1 |
| 29 | |
| 30 | enable-gpios: |
| 31 | maxItems: 1 |
| 32 | |
| 33 | richtek,vsel-active-high: |
| 34 | description: | |
| 35 | If property is present, use the 'VSEL1' register group for buck control. |
| 36 | Else, use the 'VSEL0' register group. This depends on external hardware |
| 37 | 'VSEL' pin connection. |
| 38 | type: boolean |
| 39 | |
| 40 | regulator-allowed-modes: |
| 41 | description: | |
| 42 | buck allowed operating mode |
| 43 | 0: Auto PFM/PWM mode |
| 44 | 1: Forced PWM mode |
| 45 | items: |
| 46 | enum: [0, 1] |
| 47 | |
| 48 | required: |
| 49 | - compatible |
| 50 | - reg |
| 51 | |
| 52 | unevaluatedProperties: false |
| 53 | |
| 54 | examples: |
| 55 | - | |
| 56 | #include <dt-bindings/gpio/gpio.h> |
| 57 | |
| 58 | i2c { |
| 59 | #address-cells = <1>; |
| 60 | #size-cells = <0>; |
| 61 | |
| 62 | regulator@50 { |
| 63 | compatible = "richtek,rt5739"; |
| 64 | reg = <0x50>; |
| 65 | enable-gpios = <&gpio26 1 GPIO_ACTIVE_HIGH>; |
| 66 | richtek,vsel-active-high; |
| 67 | regulator-name = "richtek,rt5739-buck"; |
| 68 | regulator-min-microvolt = <300000>; |
| 69 | regulator-max-microvolt = <1300000>; |
| 70 | regulator-allowed-modes = <0 1>; |
| 71 | regulator-boot-on; |
| 72 | }; |
| 73 | }; |