| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/regulator/awinic,aw37503.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Awinic AW37503 Voltage Regulator |
| 8 | |
| 9 | maintainers: |
| 10 | - Alec Li <like@awinic.com> |
| 11 | |
| 12 | description: |
| 13 | The AW37503 are dual voltage regulator, designed to support positive/negative |
| 14 | supply for driving TFT-LCD panels. It support software-configurable output |
| 15 | switching and monitoring. The output voltages can be programmed via an I2C |
| 16 | compatible interface. |
| 17 | |
| 18 | properties: |
| 19 | compatible: |
| 20 | const: awinic,aw37503 |
| 21 | |
| 22 | reg: |
| 23 | maxItems: 1 |
| 24 | |
| 25 | patternProperties: |
| 26 | "^out[pn]$": |
| 27 | type: object |
| 28 | $ref: regulator.yaml# |
| 29 | unevaluatedProperties: false |
| 30 | description: |
| 31 | Properties for single regulator. |
| 32 | |
| 33 | properties: |
| 34 | enable-gpios: |
| 35 | maxItems: 1 |
| 36 | description: |
| 37 | GPIO specifier to enable the GPIO control (on/off) for regulator. |
| 38 | |
| 39 | required: |
| 40 | - regulator-name |
| 41 | |
| 42 | required: |
| 43 | - compatible |
| 44 | - reg |
| 45 | - outp |
| 46 | - outn |
| 47 | |
| 48 | additionalProperties: false |
| 49 | |
| 50 | examples: |
| 51 | - | |
| 52 | #include <dt-bindings/gpio/gpio.h> |
| 53 | |
| 54 | i2c { |
| 55 | #address-cells = <1>; |
| 56 | #size-cells = <0>; |
| 57 | |
| 58 | regulator@3e { |
| 59 | compatible = "awinic,aw37503"; |
| 60 | reg = <0x3e>; |
| 61 | |
| 62 | outp { |
| 63 | regulator-name = "outp"; |
| 64 | regulator-boot-on; |
| 65 | regulator-always-on; |
| 66 | enable-gpios = <&gpio 17 GPIO_ACTIVE_LOW>; |
| 67 | }; |
| 68 | |
| 69 | outn { |
| 70 | regulator-name = "outn"; |
| 71 | regulator-boot-on; |
| 72 | regulator-always-on; |
| 73 | enable-gpios = <&gpio 27 GPIO_ACTIVE_LOW>; |
| 74 | }; |
| 75 | }; |
| 76 | }; |
| 77 | ... |
| 78 | |