https://docs.amd.com/r/en-US/pg160-gmii-to-rgmii/GMII-Transmission?contentId=nYfY0p4MP4_9LyouuJj7ww
GMII Transmission - GMII Transmission - 4.1 English - PG160
This section includes figures that illustrate GMII transmission. See the following figures.
transmissionenglish
https://lkml.iu.edu/2209.0/04928.html
Linux-Kernel Archive: Re: [PATCH v4 1/2] dt-bindings: phy: ti: phy-gmii-sel: Add bindings for J7200
https://docs.amd.com/r/en-US/pg029_qsgmii/GMII-Transmission
GMII Transmission - GMII Transmission - 4.0 English - PG029
Normal Frame Transmission Normal outbound frame transfer timing is illustrated in the following figure. This figure shows that an Ethernet frame is proceeded...
transmissionenglish
https://docs.amd.com/r/en-US/pg051-tri-mode-eth-mac/GMII-Transmitter-Interface?contentId=_C6s1FrqXbq69J0XMB6vNA
GMII Transmitter Interface - GMII Transmitter Interface - 9.0 English - PG051
The logic required to implement the GMII transmitter logic is illustrated in the following figure. The gtx_clk is a user-supplied 125 MHz reference clock...
transmitterinterfaceenglish
https://docs.amd.com/v/u/3.0-English/pg160-gmii-to-rgmii
GMII to RGMII v3.0 Product Guide - 3.0 English - Provides the RGMII between RGMII-compliant...
Provides the RGMII between RGMII-compliant Ethernet physical media devices (PHY) and the Gigabit Ethernet controller (GEM) in the Zynq-7000 All Programmable...