linux-kernel - [PATCH 0/5] drivers/net: add NXP FEC-UIO driver

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Date:   Wed, 10 Nov 2021 11:18:33 +0530
From:   Apeksha Gupta <apeksha.gupta@....com>
To:     qiangqing.zhang@....com, davem@...emloft.net, kuba@...nel.org
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-devel@...ux.nxdi.nxp.com, LnxRevLi@....com,
        sachin.saxena@....com, hemant.agrawal@....com, nipun.gupta@....com,
        Apeksha Gupta <apeksha.gupta@....com>
Subject: [PATCH 0/5] drivers/net: add NXP FEC-UIO driver

This patch series introduce the fec-uio driver, supported for the inbuilt
NIC found in the NXP i.MX 8M Mini SoC. Basic hardware initialization is
performed in kernel via userspace input/output(UIO) to support FEC
ethernet device detection in user space.

Userspace PMD uses standard UIO interface to access kernel for PHY
initialisation and for mapping the allocated memory of register &
buffer descriptor with DPDK which gives access to non-cacheable memory
for buffer descriptor.

Module fec-uio.ko will get generated.
imx8mm-evk-dpdk.dtb is required to support fec-uio driver.

Apeksha Gupta (5):
  dt-bindings: add binding for fec-uio
  net: fec: fec-uio driver
  ARM64: defconfig: Add config for fec-uio
  MAINTAINERS: add new file
  arm64: dts: imx8mm-evk-dpdk: dts for fec-uio driver

 .../devicetree/bindings/net/fsl,fec-uio.yaml  |  32 ++
 MAINTAINERS                                   |   6 +
 arch/arm64/boot/dts/freescale/Makefile        |   1 +
 .../boot/dts/freescale/imx8mm-evk-dpdk.dts    |  10 +
 arch/arm64/configs/defconfig                  |   1 +
 drivers/net/ethernet/freescale/Kconfig        |  10 +
 drivers/net/ethernet/freescale/Makefile       |   7 +-
 drivers/net/ethernet/freescale/fec_uio.c      | 437 ++++++++++++++++++
 8 files changed, 501 insertions(+), 3 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/net/fsl,fec-uio.yaml
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-evk-dpdk.dts
 create mode 100644 drivers/net/ethernet/freescale/fec_uio.c

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2.17.1