| 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/hisilicon,ascend910-gpio.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: HiSilicon common GPIO controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Jay Fang <f.fangjian@huawei.com> |
| 11 | |
| 12 | description: |
| 13 | The HiSilicon common GPIO controller can be used for many different |
| 14 | types of SoC such as Huawei Ascend AI series chips. |
| 15 | |
| 16 | properties: |
| 17 | compatible: |
| 18 | const: hisilicon,ascend910-gpio |
| 19 | |
| 20 | reg: |
| 21 | maxItems: 1 |
| 22 | |
| 23 | interrupts: |
| 24 | maxItems: 1 |
| 25 | |
| 26 | gpio-controller: true |
| 27 | |
| 28 | "#gpio-cells": |
| 29 | const: 2 |
| 30 | |
| 31 | ngpios: |
| 32 | minimum: 1 |
| 33 | maximum: 32 |
| 34 | |
| 35 | required: |
| 36 | - compatible |
| 37 | - reg |
| 38 | - interrupts |
| 39 | - gpio-controller |
| 40 | - "#gpio-cells" |
| 41 | - ngpios |
| 42 | |
| 43 | additionalProperties: false |
| 44 | |
| 45 | examples: |
| 46 | - | |
| 47 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 48 | |
| 49 | gpio@840d0000 { |
| 50 | compatible = "hisilicon,ascend910-gpio"; |
| 51 | reg = <0x840d0000 0x1000>; |
| 52 | ngpios = <32>; |
| 53 | gpio-controller; |
| 54 | #gpio-cells = <2>; |
| 55 | interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>; |
| 56 | }; |