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/gpio/microchip,mpfs-gpio.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Microchip MPFS GPIO Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Conor Dooley <conor.dooley@microchip.com> |
| 11 | |
| 12 | properties: |
| 13 | compatible: |
| 14 | items: |
| 15 | - enum: |
| 16 | - microchip,mpfs-gpio |
| 17 | |
| 18 | reg: |
| 19 | maxItems: 1 |
| 20 | |
| 21 | interrupts: |
| 22 | description: |
| 23 | Interrupt mapping, one per GPIO. Maximum 32 GPIOs. |
| 24 | minItems: 1 |
| 25 | maxItems: 32 |
| 26 | |
| 27 | interrupt-controller: true |
| 28 | |
| 29 | clocks: |
| 30 | maxItems: 1 |
| 31 | |
| 32 | "#gpio-cells": |
| 33 | const: 2 |
| 34 | |
| 35 | "#interrupt-cells": |
| 36 | const: 1 |
| 37 | |
| 38 | ngpios: |
| 39 | description: |
| 40 | The number of GPIOs available. |
| 41 | minimum: 1 |
| 42 | maximum: 32 |
| 43 | default: 32 |
| 44 | |
| 45 | gpio-controller: true |
| 46 | |
| 47 | patternProperties: |
| 48 | "^.+-hog(-[0-9]+)?$": |
| 49 | type: object |
| 50 | |
| 51 | additionalProperties: false |
| 52 | |
| 53 | properties: |
| 54 | gpio-hog: true |
| 55 | gpios: true |
| 56 | input: true |
| 57 | output-high: true |
| 58 | output-low: true |
| 59 | line-name: true |
| 60 | |
| 61 | required: |
| 62 | - gpio-hog |
| 63 | - gpios |
| 64 | |
| 65 | required: |
| 66 | - compatible |
| 67 | - reg |
| 68 | - interrupts |
| 69 | - "#interrupt-cells" |
| 70 | - interrupt-controller |
| 71 | - "#gpio-cells" |
| 72 | - gpio-controller |
| 73 | - clocks |
| 74 | |
| 75 | additionalProperties: false |
| 76 | |
| 77 | examples: |
| 78 | - | |
| 79 | gpio@20122000 { |
| 80 | compatible = "microchip,mpfs-gpio"; |
| 81 | reg = <0x20122000 0x1000>; |
| 82 | clocks = <&clkcfg 25>; |
| 83 | interrupt-parent = <&plic>; |
| 84 | gpio-controller; |
| 85 | #gpio-cells = <2>; |
| 86 | interrupt-controller; |
| 87 | #interrupt-cells = <1>; |
| 88 | interrupts = <53>, <53>, <53>, <53>, |
| 89 | <53>, <53>, <53>, <53>, |
| 90 | <53>, <53>, <53>, <53>, |
| 91 | <53>, <53>, <53>, <53>, |
| 92 | <53>, <53>, <53>, <53>, |
| 93 | <53>, <53>, <53>, <53>, |
| 94 | <53>, <53>, <53>, <53>, |
| 95 | <53>, <53>, <53>, <53>; |
| 96 | }; |
| 97 | ... |