| 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,rt4801-regulator.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Richtek RT4801 Display Bias regulators |
| 8 | |
| 9 | maintainers: |
| 10 | - ChiYuan Huang <cy_huang@richtek.com> |
| 11 | |
| 12 | description: | |
| 13 | Regulator nodes should be named to DSVP and DSVN. The |
| 14 | definition for each of these nodes is defined using the standard |
| 15 | binding for regulators at |
| 16 | Documentation/devicetree/bindings/regulator/regulator.txt. |
| 17 | Datasheet is available at |
| 18 | https://www.richtek.com/assets/product_file/RT4801H/DS4801H-00.pdf |
| 19 | |
| 20 | properties: |
| 21 | compatible: |
| 22 | enum: |
| 23 | - richtek,rt4801 |
| 24 | |
| 25 | reg: |
| 26 | maxItems: 1 |
| 27 | |
| 28 | enable-gpios: |
| 29 | description: GPIOs to use to enable DSVP/DSVN regulator. |
| 30 | The first one is ENP to enable DSVP, and second one is ENM to enable DSVN. |
| 31 | Number of GPIO in the array list could be 1 or 2. |
| 32 | If only one gpio is specified, only one gpio used to control ENP/ENM. |
| 33 | Else if both are specified, DSVP/DSVN could be controlled individually. |
| 34 | If this property not specified, treat both as always-on regulators. |
| 35 | |
| 36 | Property is deprecated. Use enable-gpios in each regulator. |
| 37 | minItems: 1 |
| 38 | maxItems: 2 |
| 39 | deprecated: true |
| 40 | |
| 41 | patternProperties: |
| 42 | "^DSV(P|N)$": |
| 43 | type: object |
| 44 | $ref: regulator.yaml# |
| 45 | unevaluatedProperties: false |
| 46 | description: |
| 47 | Properties for single display bias regulator. |
| 48 | |
| 49 | properties: |
| 50 | enable-gpios: |
| 51 | description: |
| 52 | GPIO to use to enable DSVP/DSVN regulator. One GPIO can be configured |
| 53 | for controlling both regulators. If this property not specified for |
| 54 | any regulator, treat both as always-on regulators. |
| 55 | maxItems: 1 |
| 56 | |
| 57 | required: |
| 58 | - compatible |
| 59 | - reg |
| 60 | |
| 61 | additionalProperties: false |
| 62 | |
| 63 | examples: |
| 64 | - | |
| 65 | i2c { |
| 66 | #address-cells = <1>; |
| 67 | #size-cells = <0>; |
| 68 | |
| 69 | rt4801@73 { |
| 70 | compatible = "richtek,rt4801"; |
| 71 | reg = <0x73>; |
| 72 | |
| 73 | dsvp: DSVP { |
| 74 | regulator-name = "rt4801,dsvp"; |
| 75 | regulator-min-microvolt = <4000000>; |
| 76 | regulator-max-microvolt = <6000000>; |
| 77 | regulator-boot-on; |
| 78 | enable-gpios = <&gpio26 2 0>; |
| 79 | }; |
| 80 | dsvn: DSVN { |
| 81 | regulator-name = "rt4801,dsvn"; |
| 82 | regulator-min-microvolt = <4000000>; |
| 83 | regulator-max-microvolt = <6000000>; |
| 84 | regulator-boot-on; |
| 85 | enable-gpios = <&gpio26 3 0>; |
| 86 | }; |
| 87 | |
| 88 | }; |
| 89 | }; |