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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/interrupt-controller/sophgo,sg2042-msi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Sophgo SG2042 MSI Controller
maintainers:
- Chen Wang <unicorn_wang@outlook.com>
description:
This interrupt controller is in Sophgo SG2042 for transforming interrupts from
PCIe MSI to PLIC interrupts.
allOf:
- $ref: /schemas/interrupt-controller/msi-controller.yaml#
properties:
compatible:
const: sophgo,sg2042-msi
reg:
items:
- description: clear register
- description: msi doorbell address
reg-names:
items:
- const: clr
- const: doorbell
msi-controller: true
msi-ranges:
maxItems: 1
"#msi-cells":
const: 0
required:
- compatible
- reg
- reg-names
- msi-controller
- msi-ranges
- "#msi-cells"
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
msi-controller@30000000 {
compatible = "sophgo,sg2042-msi";
reg = <0x30000000 0x4>, <0x30000008 0x4>;
reg-names = "clr", "doorbell";
msi-controller;
#msi-cells = <0>;
msi-ranges = <&plic 64 IRQ_TYPE_LEVEL_HIGH 32>;
};
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