Files
cubelinux-kernel/Documentation/devicetree/bindings/dma/sophgo,cv1800b-dmamux.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

52 lines
1.1 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/dma/sophgo,cv1800b-dmamux.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Sophgo CV1800/SG200 Series DMA multiplexer
maintainers:
- Inochi Amaoto <inochiama@gmail.com>
description:
The DMA multiplexer of CV1800 is a subdevice of the system
controller. It support mapping 8 channels, but each channel
can be mapped only once.
allOf:
- $ref: dma-router.yaml#
properties:
compatible:
const: sophgo,cv1800b-dmamux
reg:
items:
- description: DMA channal remapping register
- description: DMA channel interrupt mapping register
'#dma-cells':
const: 2
description:
The first cells is device id. The second one is the cpu id.
dma-masters:
maxItems: 1
required:
- reg
- '#dma-cells'
- dma-masters
additionalProperties: false
examples:
- |
dma-router@154 {
compatible = "sophgo,cv1800b-dmamux";
reg = <0x154 0x8>, <0x298 0x4>;
#dma-cells = <2>;
dma-masters = <&dmac>;
};