Table of Contents
| Table of Contents | ||
|---|---|---|
|
Introduction
This page describes the Xilinx GMII2RGMII converter IP which can be found at /drivers/net/phy/xilinx_gmii2rgmii.c
This converter can be used with any MAC device, either axi ethernet or Zynq/Zynq Ultrascale+ MPSoC GEM.
Paths, files, links and documentation on this page are given relative to the Linux kernel source tree.
XILINX_GMII2RGMII
Refer to http://www.wiki.xilinx.com/Macb+Driver#Test Procedure
This converter can be used with any MAC device, either axi ethernet or Zynq/Zynq Ultrascale+ MPSoC GEM.
Paths, files, links and documentation on this page are given relative to the Linux kernel source tree.
HW IP features
- GMII2RGMII conversion
Features supported in driver
- GMII2RGMII conversion
Missing Features, Known Issues and Limitations
- None
Kernel Configuration
This following config option is required to enable this converter driver:XILINX_GMII2RGMII
Devicetree
Complete devicetree documentation can be found here: https://github.com/Xilinx/linux-xlnx/blob/master/Documentation/devicetree/bindings/net/xlnx%2Cgmii-to-rgmii.yaml
| Code Block | ||
|---|---|---|
| ||
mdio {
#address-cells = <1>;
#size-cells = <0>;
phy: ethernet-phy@0 {
......
};
gmiitorgmii: gmiitorgmii@8 {
compatible = "xlnx,gmii-to-rgmii-1.0";
reg = <8>;
phy-handle = <&phy>;
clocks = <&fixedplaceholder>;
clock-names = "clkin";
};
}; |
Test Procedure
This phy can be tested with any MAC using general ethernet test procedures like ping, iperf/netperf.Refer to http://www.wiki.xilinx.com/Macb+Driver#Test Procedure
Mainline status
This driver is currently in sync with mainline except for the following diff:- Minor warning fix for mdiobus_return (1 lineClock adaption support (accepted on mainline net-next, expected to be in sync by 6.11)
Change Log
2023.2
- Minor refcount leak fix
...
2019.2
Summary
- Bug fixes
Commits:
b145197 net: gmii2rgmii: do not attach if phy has a priv field
a233487 net: gmii2rgmii: Switch priv field in mdio device structure
2019.1
Summary
- Bug fixes
Commits:
...