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cubelinux-kernel/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-msi.yaml
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

63 lines
1.4 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/interrupt-controller/loongson,pch-msi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Loongson PCH MSI Controller
maintainers:
- Jiaxun Yang <jiaxun.yang@flygoat.com>
description:
This interrupt controller is found in the Loongson LS7A family of PCH for
transforming interrupts from PCIe MSI into HyperTransport vectorized
interrupts.
properties:
compatible:
const: loongson,pch-msi-1.0
reg:
maxItems: 1
loongson,msi-base-vec:
description:
u32 value of the base of parent HyperTransport vector allocated
to PCH MSI.
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 255
loongson,msi-num-vecs:
description:
u32 value of the number of parent HyperTransport vectors allocated
to PCH MSI.
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 1
maximum: 256
msi-controller: true
required:
- compatible
- reg
- msi-controller
- loongson,msi-base-vec
- loongson,msi-num-vecs
additionalProperties: true # fixme
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
msi: msi-controller@2ff00000 {
compatible = "loongson,pch-msi-1.0";
reg = <0x2ff00000 0x4>;
msi-controller;
loongson,msi-base-vec = <64>;
loongson,msi-num-vecs = <64>;
interrupt-parent = <&htvec>;
};
...