| 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,rtq2134-regulator.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Richtek RTQ2134 SubPMIC Regulator |
| 8 | |
| 9 | maintainers: |
| 10 | - ChiYuan Huang <cy_huang@richtek.com> |
| 11 | |
| 12 | description: | |
| 13 | The RTQ2134 is a multi-phase, programmable power management IC that |
| 14 | integrates with four high efficient, synchronous step-down converter cores. |
| 15 | |
| 16 | Datasheet is available at |
| 17 | https://www.richtek.com/assets/product_file/RTQ2134-QA/DSQ2134-QA-01.pdf |
| 18 | |
| 19 | properties: |
| 20 | compatible: |
| 21 | enum: |
| 22 | - richtek,rtq2134 |
| 23 | |
| 24 | reg: |
| 25 | maxItems: 1 |
| 26 | |
| 27 | regulators: |
| 28 | type: object |
| 29 | |
| 30 | patternProperties: |
| 31 | "^buck[1-3]$": |
| 32 | type: object |
| 33 | $ref: regulator.yaml# |
| 34 | description: | |
| 35 | regulator description for buck[1-3]. |
| 36 | |
| 37 | properties: |
| 38 | richtek,use-vsel-dvs: |
| 39 | type: boolean |
| 40 | description: | |
| 41 | If specified, buck will listen to 'vsel' pin for dvs config. |
| 42 | Else, use dvs0 voltage by default. |
| 43 | |
| 44 | richtek,uv-shutdown: |
| 45 | type: boolean |
| 46 | description: | |
| 47 | If specified, use shutdown as UV action. Else, hiccup by default. |
| 48 | |
| 49 | unevaluatedProperties: false |
| 50 | |
| 51 | additionalProperties: false |
| 52 | |
| 53 | required: |
| 54 | - compatible |
| 55 | - reg |
| 56 | - regulators |
| 57 | |
| 58 | additionalProperties: false |
| 59 | |
| 60 | examples: |
| 61 | - | |
| 62 | i2c { |
| 63 | #address-cells = <1>; |
| 64 | #size-cells = <0>; |
| 65 | |
| 66 | rtq2134@18 { |
| 67 | compatible = "richtek,rtq2134"; |
| 68 | reg = <0x18>; |
| 69 | |
| 70 | regulators { |
| 71 | buck1 { |
| 72 | regulator-name = "rtq2134-buck1"; |
| 73 | regulator-min-microvolt = <300000>; |
| 74 | regulator-max-microvolt = <1850000>; |
| 75 | regulator-always-on; |
| 76 | richtek,use-vsel-dvs; |
| 77 | regulator-state-mem { |
| 78 | regulator-suspend-min-microvolt = <550000>; |
| 79 | regulator-suspend-max-microvolt = <550000>; |
| 80 | }; |
| 81 | }; |
| 82 | buck2 { |
| 83 | regulator-name = "rtq2134-buck2"; |
| 84 | regulator-min-microvolt = <1120000>; |
| 85 | regulator-max-microvolt = <1120000>; |
| 86 | regulator-always-on; |
| 87 | richtek,use-vsel-dvs; |
| 88 | regulator-state-mem { |
| 89 | regulator-suspend-min-microvolt = <1120000>; |
| 90 | regulator-suspend-max-microvolt = <1120000>; |
| 91 | }; |
| 92 | }; |
| 93 | buck3 { |
| 94 | regulator-name = "rtq2134-buck3"; |
| 95 | regulator-min-microvolt = <600000>; |
| 96 | regulator-max-microvolt = <600000>; |
| 97 | regulator-always-on; |
| 98 | richtek,use-vsel-dvs; |
| 99 | regulator-state-mem { |
| 100 | regulator-suspend-min-microvolt = <600000>; |
| 101 | regulator-suspend-max-microvolt = <600000>; |
| 102 | }; |
| 103 | }; |
| 104 | }; |
| 105 | }; |
| 106 | }; |