| 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,rt5759-regulator.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Richtek RT5759 High Performance DCDC Converter |
| 8 | |
| 9 | maintainers: |
| 10 | - ChiYuan Huang <cy_huang@richtek.com> |
| 11 | |
| 12 | description: | |
| 13 | The RT5759 is a high-performance, synchronous step-down DC-DC converter that |
| 14 | can deliver up to 9A output current from 3V to 6.5V input supply, The output |
| 15 | voltage can be programmable with I2C controlled 7-Bit VID. |
| 16 | |
| 17 | Datasheet is available at |
| 18 | https://www.richtek.com/assets/product_file/RT5759/DS5759-00.pdf |
| 19 | |
| 20 | properties: |
| 21 | compatible: |
| 22 | enum: |
| 23 | - richtek,rt5759 |
| 24 | - richtek,rt5759a |
| 25 | |
| 26 | reg: |
| 27 | maxItems: 1 |
| 28 | |
| 29 | regulator-allowed-modes: |
| 30 | description: | |
| 31 | buck allowed operating mode |
| 32 | 0: auto mode (PSKIP: pulse skipping) |
| 33 | 1: force pwm mode |
| 34 | items: |
| 35 | enum: [0, 1] |
| 36 | |
| 37 | richtek,watchdog-enable: |
| 38 | description: enable the external watchdog reset pin listening |
| 39 | type: boolean |
| 40 | |
| 41 | allOf: |
| 42 | - $ref: regulator.yaml# |
| 43 | |
| 44 | - if: |
| 45 | properties: |
| 46 | compatible: |
| 47 | contains: |
| 48 | const: richtek,rt5759 |
| 49 | then: |
| 50 | properties: |
| 51 | richtek,watchdog-enable: false |
| 52 | |
| 53 | required: |
| 54 | - compatible |
| 55 | - reg |
| 56 | |
| 57 | unevaluatedProperties: false |
| 58 | |
| 59 | examples: |
| 60 | # example 1 for RT5759 |
| 61 | - | |
| 62 | i2c { |
| 63 | #address-cells = <1>; |
| 64 | #size-cells = <0>; |
| 65 | |
| 66 | regulator@62 { |
| 67 | compatible = "richtek,rt5759"; |
| 68 | reg = <0x62>; |
| 69 | regulator-name = "rt5759-buck"; |
| 70 | regulator-min-microvolt = <600000>; |
| 71 | regulator-max-microvolt = <1500000>; |
| 72 | regulator-boot-on; |
| 73 | }; |
| 74 | }; |
| 75 | # example 2 for RT5759A |
| 76 | - | |
| 77 | i2c { |
| 78 | #address-cells = <1>; |
| 79 | #size-cells = <0>; |
| 80 | |
| 81 | regulator@62 { |
| 82 | compatible = "richtek,rt5759a"; |
| 83 | reg = <0x62>; |
| 84 | regulator-name = "rt5759a-buck"; |
| 85 | regulator-min-microvolt = <600000>; |
| 86 | regulator-max-microvolt = <1725000>; |
| 87 | regulator-boot-on; |
| 88 | richtek,watchdog-enable; |
| 89 | }; |
| 90 | }; |