netdev - [PATCH v2 0/2] net: Add LiteETH network driver

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Message-Id: <20210820074726.2860425-1-joel@jms.id.au>
Date:   Fri, 20 Aug 2021 17:17:24 +0930
From:   Joel Stanley <joel@....id.au>
To:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Karol Gugala <kgugala@...micro.com>,
        Mateusz Holenko <mholenko@...micro.com>,
        devicetree@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 0/2] net: Add LiteETH network driver

This adds a driver for the LiteX network device, LiteEth.

v2 Addresses feedback from Jakub, with detailed changes in each patch.

It also moves to the litex register accessors so the system works on big
endian litex platforms. I tested with mor1k on an Arty A7-100T.

I have removed the mdio aspects of the driver as they are not needed for
basic operation. I will continue to work on adding support in the
future, but I don't think it needs to block the mac driver going in.

The binding describes the mdio registers, and has been fixed to not show
any warnings against dtschema master.

LiteEth is a simple driver for the FPGA based Ethernet device used in various
RISC-V, PowerPC's microwatt, OpenRISC's mor1k and other FPGA based
systems on chip.

Joel Stanley (2):
  dt-bindings: net: Add bindings for LiteETH
  net: Add driver for LiteX's LiteETH network interface

 .../bindings/net/litex,liteeth.yaml           |  79 +++++
 drivers/net/ethernet/Kconfig                  |   1 +
 drivers/net/ethernet/Makefile                 |   1 +
 drivers/net/ethernet/litex/Kconfig            |  27 ++
 drivers/net/ethernet/litex/Makefile           |   5 +
 drivers/net/ethernet/litex/litex_liteeth.c    | 327 ++++++++++++++++++
 6 files changed, 440 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/litex,liteeth.yaml
 create mode 100644 drivers/net/ethernet/litex/Kconfig
 create mode 100644 drivers/net/ethernet/litex/Makefile
 create mode 100644 drivers/net/ethernet/litex/litex_liteeth.c

-- 
2.32.0