zephyr/dts/bindings/dma/dmamux-controller.yaml

35 lines
862 B
YAML

# Copyright (c) 2019, STMicroelectronics
# SPDX-License-Identifier: Apache-2.0
# Common fields for DMAMUX controllers
include: base.yaml
bus: dmamux
properties:
label:
required: true
"#dma-cells":
type: int
required: true
description: Number of items to expect in a DMA specifier (see dma V2)
dma-channels:
type: int
required: true
description: Number of DMAMUX output request channels supported by the controller
dma-generators:
type: int
required: false
description: Number of DMAMUX Request generator supported by the controller
dma-requests:
type: int
required: true
description: |
Number of DMAMUX Peripheral Request Line inputs supported by the controller
This is not directly the value to program in the DMAREQ_ID of the DMAMUX_CxCR