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/gpio/loongson,ls1x-gpio.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Loongson-1 GPIO controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Keguang Zhang <keguang.zhang@gmail.com> |
| 11 | |
| 12 | properties: |
| 13 | compatible: |
| 14 | const: loongson,ls1x-gpio |
| 15 | |
| 16 | reg: |
| 17 | maxItems: 1 |
| 18 | |
| 19 | gpio-controller: true |
| 20 | |
| 21 | "#gpio-cells": |
| 22 | const: 2 |
| 23 | |
| 24 | ngpios: |
| 25 | minimum: 1 |
| 26 | maximum: 32 |
| 27 | |
| 28 | required: |
| 29 | - compatible |
| 30 | - reg |
| 31 | - gpio-controller |
| 32 | - "#gpio-cells" |
| 33 | - ngpios |
| 34 | |
| 35 | additionalProperties: false |
| 36 | |
| 37 | examples: |
| 38 | - | |
| 39 | gpio0: gpio@1fd010c0 { |
| 40 | compatible = "loongson,ls1x-gpio"; |
| 41 | reg = <0x1fd010c0 0x4>; |
| 42 | |
| 43 | gpio-controller; |
| 44 | #gpio-cells = <2>; |
| 45 | |
| 46 | ngpios = <32>; |
| 47 | }; |
| 48 | |
| 49 | ... |