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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/interrupt-controller/thead,c900-aclint-sswi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: T-HEAD C900 ACLINT Supervisor-level Software Interrupt Device
maintainers:
- Inochi Amaoto <inochiama@outlook.com>
description:
The SSWI device is a part of the THEAD ACLINT device. It provides
supervisor-level IPI functionality for a set of HARTs on a THEAD
platform. It provides a register to set an IPI (SETSSIP) for each
HART connected to the SSWI device.
properties:
compatible:
items:
- enum:
- sophgo,sg2044-aclint-sswi
- const: thead,c900-aclint-sswi
reg:
maxItems: 1
"#interrupt-cells":
const: 0
interrupt-controller: true
interrupts-extended:
minItems: 1
maxItems: 4095
additionalProperties: false
required:
- compatible
- reg
- "#interrupt-cells"
- interrupt-controller
- interrupts-extended
examples:
- |
interrupt-controller@94000000 {
compatible = "sophgo,sg2044-aclint-sswi", "thead,c900-aclint-sswi";
reg = <0x94000000 0x00004000>;
#interrupt-cells = <0>;
interrupt-controller;
interrupts-extended = <&cpu1intc 1>,
<&cpu2intc 1>,
<&cpu3intc 1>,
<&cpu4intc 1>;
};
...
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