eDMAv3 patch was accepted.
https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git/log/?h=next

This is dts parts.

Add 8qxp edma support and enable lpuart1..3 dma support.

Frank Li (5):
  firmware: imx: scu-pd: added missing edma channel power domain
  arm64: dts: imx8: add edma[0..3]
  arm64: dts: imx8: Add edma for uart[1..3]
  arm64: dts: imx8: update lpuart[0..3] irq number
  arm64: dts: imx8qxp-mek: enable 8qxp lpuart2 and lpuart3

 .../boot/dts/freescale/imx8-ss-audio.dtsi     | 88 +++++++++++++++++++
 .../arm64/boot/dts/freescale/imx8-ss-dma.dtsi | 76 +++++++++++++++-
 .../boot/dts/freescale/imx8dxl-ss-adma.dtsi   | 30 +++++++
 arch/arm64/boot/dts/freescale/imx8qxp-mek.dts | 26 ++++++
 drivers/firmware/imx/scu-pd.c                 |  6 +-
 5 files changed, 220 insertions(+), 6 deletions(-)

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2.34.1