nxp,mcux-edma

Vendor: NXP Semiconductors

Description

These nodes are “dma” bus nodes.

NXP MCUX EDMA controller

Properties

Properties not inherited from the base binding file.

Name

Type

Details

dma-channels

int

Number of DMA channels supported by the controller

This property is required.

dma-requests

int

Number of DMA request signals supported by the controller.

This property is required.

nxp,mem2mem

boolean

If the DMA controller supports memory to memory transfer

nxp,a_on

boolean

If the DMA controller supports always on

#dma-cells

int

Number of items to expect in a DMAMUX specifier

This property is required.

dma-channel-mask

int

Bitmask of available DMA channels in ascending order that are
not reserved by firmware and are available to the
kernel. i.e. first channel corresponds to LSB.

Specifier cell names

  • dma cells: mux, source